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ZXDU58 W121DC Power System
Product Description
Version: V4.0R04M01
ZTE CORPORATIONNO. 55, Hi-tech Road South, ShenZhen, P.R.ChinaPostcode: 518057Tel: +86-755-26771900Fax: +86-755-26770801URL: http://ensupport.zte.com.cnE-mail: [email protected]
LEGAL INFORMATIONCopyright © 2011 ZTE CORPORATION.
The contents of this document are protected by copyright laws and international treaties. Any reproduction or
distribution of this document or any portion of this document, in any form by any means, without the prior written
consent of ZTE CORPORATION is prohibited. Additionally, the contents of this document are protected by
contractual confidentiality obligations.
All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE
CORPORATION or of their respective owners.
This document is provided “as is”, and all express, implied, or statutory warranties, representations or conditions
are disclaimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose,
title or non-infringement. ZTE CORPORATION and its licensors shall not be liable for damages resulting from the
use of or reliance on the information contained herein.
ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications
covering the subject matter of this document. Except as expressly provided in any written license between ZTE
CORPORATION and its licensee, the user of this document shall not acquire any license to the subject matter
herein.
ZTE CORPORATION reserves the right to upgrade or make technical change to this product without further notice.
Users may visit ZTE technical support website http://ensupport.zte.com.cn to inquire related information.
The ultimate right to interpret this product resides in ZTE CORPORATION.
Revision History
Revision No. Revision Date Revision Reason
R1.0 2011-05-05 First edition
Serial Number: SJ-20110308105524-008
Publishing Date: 2011-05-05(R1.0)
Safety PrecautionsThe table below describes the safety signs in this manual.
Safety Signs Meaning
DangerIndicates an imminently hazardous situation, which if not avoided, will
result in death or serious injury. This signal word should be limited to only
extreme situations.
WarningIndicates a potentially hazardous situation, which if not avoided, could
result in death or serious injury.
CautionIndicates a potentially hazardous situation, which if not avoided, could
result in minor or moderate injury. It may also be used to alert against
unsafe practices.
Electric shockThere is a risk of electric shock.
ElectrostaticThe device may be sensitive to static electricity.
Read the safety instructions before any operation of the equipment. The safety precautionsmentioned in this manual only serve as a supplement to the local safety codes.
Only trained professionals are allowed to install, operate and maintain the equipment. ZTEbears no liability to the consequences incurred by violation of the general safety operationrequirements, or violation of the safety standards for designing, manufacturing and usingthe equipment.
Take the following precautions when installing and operating the equipment.
High VoltageDirect contact or indirect contact with high voltage and mains through damp object willendanger the operator’s life.
l Observe the local safety codes during the equipment installation. The installationpersonnel must be qualified for high voltage and AC power operations.
l Never wear any conductive object, such as watch, hand chain, bracelet or ring duringthe operation on the equipment.
l Prevent any moisture from entering the equipment during operations.
No Object With Harmful EffectsProtect the equipment against ingress of objects with harmful effects, such as conductiveobject and water. Otherwise, short circuit may occur and damage the equipment!
I
High Leakage Current
Earth connection is essential before connecting supply.
DC Short Circuit
Avoid short circuit during operation. ZXDU58 W121 system is a power supply product ofconstant DC voltage.
Connecting or Disconnecting Power Cable
Power cable operation with power ON will cause fatal danger to operation personnel anddamage to the equipment.
l Turn OFF all the breakers and switches before connecting or disconnecting a powercable.
l Before connecting a cable, make sure that the cable and its label are in accordancewith the requirement.
Tools Safety
When operating high-voltage equipment, tools safety must be considered. Insulate thetools to prevent short circuit.
Electrostatic Damage
Electrostatic discharges generated by human body may damage components. Use wriststraps when handling the equipment. Insulate the uncovered metals to prevent shortcircuit.
Operation on Battery
l Before performing any operation on battery, read the safety precautions in the batterymanual.
l Connect the battery cables according to the instructions. Avoid short circuit andelectrolyte leakage.
II
Documentation GuideApplicable Product
This guide and related documents apply to the ZXDU58 W121 (V4.0R04M01) DC powersystem.
Manual Suite
The table below lists the manual suite of the ZXDU58 W121 system.
S.N. Document Description and Intended Audience
1 ZXDU58 W121 (V4.0R04M01)
DC Power System Product
Description
This document is intended for the use of all the users.
In this document, you will learn about:
l System structure and components
l System configuration
l System features and technical specifications
l Electrical connection diagram
l Term list
2 ZXDU58 W121
(V4.0R03/R04M01)
DC Power System Quick Installa-
tion & Commissioning Guide
This guide is intended for the use of engineers that
are authorized to install the equipment.
In this document, you will learn about:
l Equipment installation
l Cable connection
l System commissioning
3 ZXDU58 W121
(V4.0R03/R04M01)
DC Power System User Guide
This document is intended for the use of all the users.
In this document, you will learn about:
l System structure
l Monitoring software
l Symptoms and Troubleshooting
l Status Indication of Rectifier and Monitoring Unit
l Relays and Corresponding Alarms
l Shutdown and Startup
4 ZXDU58/ZXDU68 B121-CSU
(V2.20)
Monitoring Unit Alarm List
This document is intended for the use of all the users.
In this document, you will learn about the alarms of
the system
I
S.N. Document Description and Intended Audience
5 ZXDU58/ZXDU68 B121-CSU
(V2.20)
Monitoring Unit Operation Manual
This manual is intended for the use of maintenance
engineers.
In this document, you will learn about:
l Querying real-time running status
l Querying real-time alarms
l Query history alarms
l Energy-saving management
l Battery management
l System management, including parameter
setting, rectifier power-on and power-off by the
software
6 ZXDU58/ZXDU68 Series(V4.0)
DC Power System Maintenance
Manual
This manual is intended for the use of maintenance
engineers.
In this document, you will learn about:
l System startup and shutdown
l Indicators description
l Routine maintenance
l Components replacement
l Alarm handling
How to Get in Touch
ZTE welcomes your comments and suggestions on the quality and usefulness of thisdocument.
The following sections provide information on how to obtain support for the documentation.
If you have problems, questions, comments, or suggestions regarding your product,contact us by e-mail at [email protected]. You can also call our customer support centerat (86) 755 26771900.
For further questions, comments, or suggestions on the documentation, you can fax yourcomments and suggestions to (86) 755 26770801. You can also browse our website at http://ensupport.zte.com.cn, which contains various interesting subjects like documentation,knowledge base, forum and service request.
II
ContentsSafety Precautions ......................................................................................... I
Documentation Guide .................................................................................... I
Chapter 1 Overview.................................................................................... 1-11.1 System Introduction............................................................................................ 1-1
1.2 System Features ................................................................................................ 1-1
1.3 Working Scenario ............................................................................................... 1-2
Chapter 2 System Structure ...................................................................... 2-12.1 Overall System Structure .................................................................................... 2-1
2.2 Slots Configuration ............................................................................................. 2-2
2.3 Requirements for an Equipment to Be Embedded ................................................ 2-3
Chapter 3 System Components ................................................................ 3-13.1 Power Distribution Part ....................................................................................... 3-1
3.2 ZXD1500 Rectifier .............................................................................................. 3-2
3.2.1 Rectifier Parts .......................................................................................... 3-2
3.2.2 Rectifier Indicators.................................................................................... 3-3
3.2.3 Rectifier Specifications ............................................................................. 3-3
3.3 Monitoring Unit................................................................................................... 3-4
3.3.1 Monitoring Unit Parts ................................................................................ 3-4
3.3.2 Monitoring Unit Indicators ......................................................................... 3-4
3.3.3 Precision of the Monitoring Unit................................................................. 3-5
3.3.4 Software Version ...................................................................................... 3-5
3.3.5 Main Menu............................................................................................... 3-5
3.4 Fan Box............................................................................................................. 3-6
3.5 Board and Signal Interface.................................................................................. 3-6
3.5.1 Layout and Functions of Boards ................................................................ 3-6
3.5.2 Interface of SIB Board .............................................................................. 3-7
3.5.3 Interfaces of IP Board............................................................................... 3-8
3.5.4 Interface and Indicator of SNMP Board...................................................... 3-9
Chapter 4 System Working........................................................................ 4-14.1 Work Mode ........................................................................................................ 4-1
4.1.1 Types of Work Mode................................................................................. 4-1
4.1.2 Save Mode .............................................................................................. 4-1
4.1.3 Safe Mode ............................................................................................... 4-2
I
4.1.4 Free Mode ............................................................................................... 4-3
4.2 Automatic LLVD Control...................................................................................... 4-3
Chapter 5 Characteristics and Specifications ......................................... 5-15.1 Configuration List ............................................................................................... 5-1
5.2 Networking Description....................................................................................... 5-2
5.3 Technical Specifications...................................................................................... 5-2
5.3.1 Environment Specifications ....................................................................... 5-2
5.3.2 AC Distribution Specifications ................................................................... 5-3
5.3.3 DC Distribution Specifications ................................................................... 5-3
5.3.4 Other Specifications ................................................................................. 5-4
5.4 Compliant Standards .......................................................................................... 5-4
Appendix A Appendix ............................................................................... A-1A.1 Dimensions and Weight......................................................................................A-1
A.2 Electrical Connection Diagram............................................................................A-1
A.3 Term List ...........................................................................................................A-4
II
Chapter 1OverviewTable of Contents
System Introduction....................................................................................................1-1System Features ........................................................................................................1-1Working Scenario .......................................................................................................1-2
1.1 System IntroductionZXDU58 W121 is an outdoor power supply equipment. It can power mobile base stations,access network equipment, remote switch offices, transmission equipment, groundsatellite transceiver stations, and microwave communication devices.
In full configuration, the ZXDU58 W121 system is equipped with four ZXD1500 rectifiers,which form a power system of 120 A rated output.
Figure 1-1 ZXDU58 W121
1.2 System FeaturesThe ZXDU58 W121 system has the following features:
l A wide range of input phase voltage (80 VAC - 300 VAC) makes the system suitablefor areas with unstable voltage.
l The ZXDU58 W121 cabinet contains the AC distribution unit, DC distribution unit,rectifiers and monitoring unit.
l Convenient cable connections.l Hot-pluggable rectifiers.
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ZXDU58 W121 Product Description
l Intelligent monitoring unit.l High reliability with MTBF ≥ 2.2 × 105 h.l Internal temperature management with fans.l The ZXDU58 W121 system supports multiple networking modes, such as RS232,
RS485 and IP (optional).
1.3 Working ScenarioThe ZXDU58 W121 is applied outdoors. The communication equipments can be installedinto the cabinet. Additional battery cabinet should be configured together with thebatteries.Figure 1-2 shows a typical application to outdoor BTS station.
Figure 1-2 Working Scenario
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Chapter 2System StructureTable of Contents
Overall System Structure............................................................................................2-1Slots Configuration .....................................................................................................2-2Requirements for an Equipment to Be Embedded ......................................................2-3
2.1 Overall System StructureThe structure of the ZXDU58 W121 system is illustrated in Figure 2-1. Figure 2-2 showsthe power equipment unit of the system. Refer to Table 2-1 for the descriptions of the parts.
Figure 2-1
1. Fan box2. Communication equipment
space
3. Communication box4. Power equipment unit5. Air vent
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ZXDU58 W121 Product Description
Figure 2-2 Power Equipment Unit
1. ZXD1500 rectifiers 2. Power distribution part 3. Monitoring unit
Table 2-1 ZXDU58 W121 Part Description
Part Description
Fan box For air ventilation of the equipment cabinet by the fans
Communication
equipment space
l 19–inch in width, 8U in height
l For the installation of embedded communication equipments
Communication box l 1U in height
l Stores the various communication boards of the system such as SIB
Power equipment unit Integrated with the rectifiers, the monitoring unit and power distribution
unit
ZXD1500 Rectifiers Converts AC to stable DC power
Power distribution part Provides electrical distribution through AC and DC branches and
connection terminals (refer to “Power Distribution Part” section of this
manual)
Monitoring unit Provides management of the power distribution parts (AC and DC),
rectifiers and batteries
Air vent For the air ventilation of the cabinet
2.2 Slots ConfigurationThe number of rectifiers for each of the phases should be identical in order to maintainphase balance and favor good radiation. The distribution of the slots and phases of therectifiers are shown in Figure 2-3 and Figure 2-4.
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Chapter 2 System Structure
Figure 2-3 Slots Configuration (Three-phase)
Figure 2-4 Slots Configuration (Single-phase)
2.3 Requirements for an Equipment to Be EmbeddedCommunication equipment can be embedded in the ZXDU58 W121 cabinet. Theequipment to be embedded must meet the following requirements:
l Total power consumption is not higher than 200 W.l Adopts 19–inch standard equipment frame, with depth not exceeding 350 mm and
total height not exceeding 8 U.l Total weight does not exceed 50 kg.
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Chapter 3System ComponentsTable of ContentsPower Distribution Part...............................................................................................3-1ZXD1500 Rectifier ......................................................................................................3-2Monitoring Unit ...........................................................................................................3-4Fan Box .....................................................................................................................3-6Board and Signal Interface .........................................................................................3-6
3.1 Power Distribution PartThe power distribution part is composed of AC and DC parts of the system and providesthe electrical connection and distribution. Figure 3-1 illustrates the distribution part layoutand Figure 3-2 shows the terminal connection. Note that the AC input maybe configuredfor either three-phase or single-phase system by modifying the AC input breaker. Refer toTable 3-1 for the descriptions of the parts.
Figure 3-1 Power Distribution Part
1. AC input breaker2. AC output breaker3. AC SPD
4. DC output breakers5. Battery breakers6. DC SPD
7. AC output socket & breaker8. Working ground busbar
Figure 3-2 Terminal Connection
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ZXDU58 W121 Product Description
Table 3-1 ZXDU58 W121 Part description
Part Description
AC input breaker l Turns on/off AC input
l Optional configuration: 80 A/2P breaker and 63 A/3P breaker
AC output breaker Turns on/off AC auxiliary output (16 A)
AC SPD Provides AC surge protection
DC output breakers l Provides DC output power to load with overload protection
l Default configuration: LLVD1: 2*63 A + 2*32 A; LLVD2: 2*20 A +
2*16 A
l DC output configuration can be customized by the user
Battery breakers l 2*100 A
l Provides battery connection to the system
DC SPD Provides DC surge protection
AC output socket &
breaker
l Optional configuration
l 10 A socket + 16 A breaker
l Located on the left wall of the cabinet
l The breaker is used to turn on/off the socket power supply
Working ground busbar l GND for DC output and battery input
l Located on the right wall of the cabinet
3.2 ZXD1500 Rectifier
3.2.1 Rectifier PartsIn the ZXDU58 W121 system, the ZXD1500 rectifier converts AC to DC.
Figure 3-3 shows the appearance and structure of the ZXD1500 rectifier.
Figure 3-3 ZXD1500 Rectifier
1. Indicators2. Shutter
3. Handle4. Stop pin
5. Input/output integratedsocket
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Chapter 3 System Components
3.2.2 Rectifier IndicatorsFigure 3-4 shows the indicators of the ZXD1200/ZXD1500/ZXD2400 rectifier.
Figure 3-4 Rectifier Indicators
The indicators signify the working status of the rectifier. Refer to Table 3-2 for details.
Table 3-2 Rectifier Indicators
Indicator Status Indication
IN(Input )
Lit (green) The AC input is normal
OUT(Output)
Lit (green) The DC output is normal
CL(Current limit)
Lit (yellow) Current limit occurs (Output current of the rectifier reaches
the limit)
ALM(Alarm)
Lit (red) An alarm occurs
l Normally, only the IN and OUT indicators are lit.l When the rectifier is in the sleep mode, only the IN indicator is lit.
3.2.3 Rectifier SpecificationsTable 3-3 describes the ZXD1500 specifications . For more details, please refer to the usermanual of the ZXD1500 rectifier.
Table 3-3 ZXD1500 (V4.x) Rectifier Specifications
Item Specifications
AC input mode Single-phase three-wire (L/N/PE)
AC input voltage Rated: 100V AC - 240V AC
Range: 80V AC - 300V AC
Input voltage variation affects the output power of the rectifier. For
more information please refer to the user manual of the rectifier.
DC output voltage Rated output voltage: 53.5V DC, range: 42V DC to 58V DC
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ZXDU58 W121 Product Description
3.3 Monitoring Unit
3.3.1 Monitoring Unit PartsThe monitoring unit manages the power distribution unit, rectifiers and batteries of theZXDU58 W121 system.
Figure 3-5 shows the appearance and structure of the monitoring unit.
Figure 3-5 Monitoring Unit
1. LED display zone2. Indicators3. Reset button
4. Keys5. Handle6. Power switch
7. Fastening screw8. Interface
3.3.2 Monitoring Unit IndicatorsThe indicators of the monitoring unit signify the working status of the system (see Figure3-6).
Figure 3-6 Monitoring Unit Indicators
The indicators and the working status they signify are described in Table 3-4.
Table 3-4 Monitoring Unit Indicators
Indicator Status Indication
PWRPower
Lit (green) The monitoring unit is powered on
RUNRun
Flash (green) The monitoring unit is working normally
EQUEqualized charge
Lit (green) The battery equalized charge is in the process
COMMCommunication
Flash (yellow) The monitoring unit is communicating with the background
PC
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Chapter 3 System Components
Indicator Status Indication
ALMAlarm
Flash (red) An alarm or a fault occurs
3.3.3 Precision of the Monitoring UnitThe performance precision of the Monitoring Unit is described in Table 3-5.
Table 3-5 Precision of the Monitoring Unit
Item Specification
Precision of AC voltage ±1%
Precision of the battery current and the output current of the system ±1%
Precision of the battery voltage and the output voltage of the system ±0.5%
Temperature precision ±3℃
Humidity precision ±5%
3.3.4 Software VersionThe version of the software installed in the monitoring unit may be checked by followingthe menu path: Msg > Version.
Figure 3-7 Software Version
1. Product model 2. Software version
3.3.5 Main MenuAfter the monitoring unit is powered on, it performs self-check and initialization. Then themain menu interface appears, as shown in Figure 3-8.
Note:
When the screen saver is displayed, press Esc or Enter to enter the main menu interface.
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ZXDU58 W121 Product Description
Figure 3-8 Main Menu
Table 3-6 describes the main interface.
Table 3-6 Description of Main Interface
Interface Description
Msg Used to query real-time running information
Alm Used to query real-time alarm information
Ctrl Used to set parameters, such as system parameters, alarm attributes, and
so on
Rec Used to query history records, such as history alarms, event records, and so on
3.4 Fan BoxThe fan box is responsible of air circulation and ventilation. Two fans are installed inside it.
Figure 3-9 shows the structure of fan box.
Figure 3-9 Structure of fan box
3.5 Board and Signal Interface
3.5.1 Layout and Functions of BoardsFigure 3-10 shows the boards layout in the communication box, and Table 3-7 describestheir functions.
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Chapter 3 System Components
Figure 3-10 Boards Layout
1. Voltage transmission board(TRB)
2. Heater control board(HCTL)
3. Fan control board (FCTL)4. Modem power board (MPB)5. IP network interface board
(IP)
6. SNMP network interfaceboard (SNMP)
7. Signal interface board (SIB)
Table 3-7 Functions of Boards
Board Function
Voltage transmission board (TRB) Provides AC voltage sampling signals for the monitoring unit.
Heater control board (HCTL) No configuration here.
Fan control board (FCTL) Controls the internal and external heat circulation fans of the
equipment cabinet.
Modem power board (MPB) Optional, used to provide 12 VDC power for the IP or SNMP
board.
IP network interface board (IP) l Optional, used to remote networking.
l IP and SNMP do not exist at the same time.
SNMP network interface board
(SNMP)
l Optional, used to remote networking.
l IP and SNMP do not exist at the same time.
Signal interface board (SIB) Provides various signal interfaces, including battery
temperature detection interfaces, environment detection
interfaces and communication interfaces.
3.5.2 Interface of SIB BoardThe Signal Interface Board (SIB) provides external communication interfaces andmonitoring unit signals interfaces. The SIB board is shown in Figure 3-11. Refer to Table3-8 for the SIB interfaces description.
Figure 3-11 SIB Board
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ZXDU58 W121 Product Description
Table 3-8 Signal Interface Name
Interface Interface Name Interface Interface Name
X4 Battery 1 temperature X21 RS485 interface
X5 Battery 2 temperature X22 RS232 interface
X12 Temperature control X23 Flood alarm
X14 Input relays 1, 2, 3, 4 X24 Smoke alarm
X15 Output relays 1, 2 X25 Ambient temperature
X16 Output relays 3, 4 X26 Intrusion alarm
X17 Output relays 5, 6 - -
3.5.3 Interfaces of IP BoardThe IP board interface is used for remote monitoring purpose in IP networks. It is providedwith RS232 interface and a standard network interface.
Note:
The IP board is an optional component that is installed according to the user requirement.
The IP board interfaces are shown in Figure 3-12. Please refer to Table 3-9 for the IPboard interfaces.
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Chapter 3 System Components
Figure 3-12 IP Board Interfaces
Table 3-9 Interfaces Description
Interface Description
X1 Power socket
X2 Standard JATG interface
X3 Standard network interface.
X4 Standard RS485 communication
X6 Standard RS232 interface
3.5.4 Interface and Indicator of SNMP BoardFigure 3-13 shows the SNMP board appearance.
Figure 3-13 SNMP Board Appearance
• RESET: To recover to thedefault IP address, pressRESET for 3 seconds.
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Interface Description
Table 3-10 describes the interfaces on the SNMP board.
Table 3-10 SNMP Board Interface Description
Designation Description
+12V +12 VDC power input
RS232/RS48
5
RS232 and RS485 interface, to receive data from equipment at user end (It is a
Semi-duplex interface)
ETHERNET Adaptive 10/100M Ethernet interface
Indicator Description
Table 3-11 describes the indicators on SNMP board.
Table 3-11 SNMP Board Indicator Description
Designation Description
On Internal power is normalPWR
Off Internal power is faulty
Off RS232 interface is not connected (The RXD indicator being off is not used
to indicate RS485 interface connection)
On RS232 interface is connected (The RXD indicator being on is not used to
indicate RS485 interface connection)
RXD
Flash-
ing
RS232 or RS485 interface receives data
Off ZXDU58 W121 does not transmit dataTXD
Flash-
ing
ZXDU58 W121 is transmitting data
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Chapter 4System WorkingTable of Contents
Work Mode.................................................................................................................4-1Automatic LLVD Control .............................................................................................4-3
4.1 Work Mode
4.1.1 Types of Work ModeThe ZXDU58W121 system supports three work modes, SaveMode, Safe Mode and FreeMode. The default word mode is Save Mode.
l Save Mode
In Save Mode, five work modes are available: Auto Save Mode, Auto NonSaveMode, Temp NonSave Mode, Perm NonSave Mode, and Manual Detect.
l Safe Model Free Mode
Note:
In any workmode, current limit occurs to the rectifiers and the output voltage of the rectifiersfalls if the load current is larger than the sum of the rated current of all working rectifiers.As a result, the batteries will be discharged.
4.1.2 Save ModeSaveMode is a high-efficiency mode. It can guarantee that the rectifier efficiency is alwaysat the peak to save more power.
In Save Mode, four work modes are available: Auto Save Mode, Temp NonSave Mode,Perm NonSave Mode, and Manual Detect.
Auto Save Mode
In Auto Save Mode, the monitoring unit enables the system to switch to Auto Save Modeor Auto NonSave Mode according to the system configuration and real-time operationdata.
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l Auto Save Mode
à The parameters related to Auto Save Mode are Smr Limit Num. (2, by default)and Rotate Period (7 days, by default).
à In Auto Save Mode, the system makes the number of normally working rectifiersequal to that of the required rectifiers. The system adjusts according to thereal-time load current and battery charging current so that the rectifiers can workwith their highest efficiency. In addition, the number of the required rectifiersshould be ≥ Smr Limit Num..
à InAuto SaveMode, the system rotates the rectifiers according toRotate Period.
The process for the system to rotate rectifiers is: The monitoring unitautomatically turns on/off rectifiers; the monitoring unit turns on the rectifierthat is shut down for the longest time and turns off the one that has workedfor the longest time. In the process, the monitoring unit guarantee three-phasebalance; in addition, the number of normally working rectifiers is equal to that ofthe required rectifiers.
l Auto NonSave Mode
When failing to satisfy the saving conditions, the system enters Auto NonSave Modeand turns on all the rectifiers.
Temp NonSave Mode
In Temp NonSave Mode, the system:
1. Turns on all the rectifiers first;2. Switches to Auto Save Mode after a period of NonSave Delay.
The NonSave Delay can be set and its default is 24 hours.
Perm NonSave Mode
In Perm NonSave Mode, the system turns on all the rectifiers and stays in this modeunless it is manually set to another work mode.
4.1.3 Safe ModeSafe Mode is a redundancy work mode based on reliability.
In Safe Mode, the system calculates the number (N) of the required rectifiers based onthe total load current and the maximum battery charging current, and performs the “N+1”backup. The formula is as follows. The number of required rectifiers should be an integerthat is equal to or larger than the result. For example, the number of required rectifiersshould be 4 if the result is 3.6.
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Chapter 4 System Working
For example, the total load current is 10 A, the battery capacity is 300 Ah, and the ratedoutput current of the rectifier is 30 A. If Cur. Limited is set to 0.15 C, the number (N) ofthe required rectifiers in Safe Mode is: (10+300×0.15) / (30×0.7) + 1 ≈ 4.
Note:l The rated output current of the ZXD800 rectifier is 15 A.l The rated output current of the ZXD1500 rectifier is 30 A.l The rated output current of the ZXD030 S480 rectifier is 30 A.l The rated output current of the ZXD2400 rectifier is 50 A.
In Safe Mode, the number of required rectifiers is limited by Smr Limit Num.. If the resultof the above formula is less than Smr Limit Num., the number of required rectifiers shouldbe equal to Smr Limit Num. (2, by default).
In Safe Mode, the system turns on the rectifiers by the following rules.
l When the system runs normally, if the number of normally working rectifiers is less thanthe number of the required rectifiers, the system automatically turns on the rectifiersthat are not working until both of the numbers are the same.
l If the number of normally working rectifiers is greater than or equal to the number of therequired rectifiers, the system does not turn off the working rectifiers, which meanswhen in Safe Mode, the system can only turn on rather than turn off the rectifiersautomatically.
4.1.4 Free ModeIn Free Mode, the monitoring unit does not control on/off of the rectifier. In this mode,maintenance personnel can turn on or off rectifiers in the monitoring unit, withoutrestrictions of Smr Limit Num.
Caution!
Free mode is for system debugging. Only professional maintenance personnel can usethis mode.
4.2 Automatic LLVD ControlIntroduction to LLVD Control
The ZXDU58 W121 system has Load Low Voltage Disconnect (LLVD) function.
l LLVD1:
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ZXDU58 W121 Product Description
When the battery voltage falls to 1-Shut Vol., the system disconnects the secondaryloads (LLVD1 loads) to ensure that the important loads (LLVD2 loads) can work longer.At the same time, the monitoring unit gives the 1st Shut-Down alarm.
l LLVD2:
When the battery voltage falls to 2-Shut Vol., the system disconnects the importantloads (LLVD2 loads) to protect the batteries from over-discharge. At the same time,the monitoring unit gives the 2nd Shut-Down alarm.
Note:
The ZXDU58 W121 system can immediately power the loads with mains recovery afterfailure.
Related Parameters
Table 4-1 lists the default and range of the two related parameters, 1-Shut Vol. and 2-ShutVol..
In the monitoring unit, users can access Ctrl > 1. Setup Para > 2. Batt Para > 1-ShutVol. > 2-Shut Vol. to modify the value of the two parameters.
Table 4-1 LLVD Parameters
Parameter Default Range and Constraints
1-Shut Vol. 46.0 V
2-Shut Vol. 45.0 V
38.0 ~ 49.0
l 1-Shut Vol. ≤ BatVol Min. – 1 Vl 1-Shut Vol. ≥ 2-Shut Vol.
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Chapter 5Characteristics andSpecificationsTable of Contents
Configuration List .......................................................................................................5-1Networking Description...............................................................................................5-2Technical Specifications .............................................................................................5-2Compliant Standards..................................................................................................5-4
5.1 Configuration ListTable 5-1 describes the system configuration.
Table 5-1 Configuration List
Item Configuration
AC input breaker The AC input breaker configuration can either be:
l Single-phase three-wire (L/N/PE): 80 A/2P MCB
l Three-phase five-wire (L1/L2/L3/N/PE): 63 A/3P MCB
AC output
breaker
1*16 A MCB
AC output
socket & breaker
Optional, 1*10 A socket + 1*16 A MCB
AC
Distribution
AC SPD 1 set, class B or class C
Battery breaker 2*100 A MCBs
DC output
breaker
Default configuration:
l LLVD1: 2*63 A + 2*32 A MCBs
l LLVD2: 2*20 A + 2*16 A MCBs
The DC output can be customized to meet the user requirements
DC
Distribution
DC SPD 1 set
Rectifier ZXD1500 rectifiers (1–4 sets)
Monitoring unit 1 set
Fan box 1 set, including two fans
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ZXDU58 W121 Product Description
Item Configuration
Communication box 1 set, including the following boards:
l Voltage transmission board (TRB)
l Fan control board (FCTL)
l Modem power board (MPB): optional
l IP network interface board (IP): optional
l SNMP network interface board (SNMP): optional
l Signal interface board (SIB)
Cabinet 1 set
• The customized product may be different from this table.• MCB: Miniature Circuit Breaker
5.2 Networking DescriptionThe ZXDU58 W121 system supports multiple network monitoring modes.
l The ZXDU58 W121 system provides RS232/RS485 serial port. ZXDU58 W121 canbe connected to a background PC via the serial port. The background monitoringsoftware installed in the PC monitors ZXDU58 W121 locally.
l The ZXDU58 W121 system with IP board (or SNMP board) can communicate with abackground PC via TCP/IP (or SNMP). The background monitoring software installedin the PC monitors ZXDU58 W121 remotely.
l ZXDU58 W121 system can be connected to a remote PC through a transmissionchannel (e.g. channel of microwave equipment and optical transmission equipment)and auxiliary communication equipment.
5.3 Technical Specifications
5.3.1 Environment SpecificationsThe specifications for the environment of the equipment are described in Table 5-2.
Table 5-2 Environment Specifications
Item Specification
Operating temperature -20℃ to +50 ℃
Storage temperature -40℃ to +70℃
Relative humidity 10% to 90% (non-condensing); 40% to 60% recommended
Air pressure 70 kPa to 106 kPa
Other requirements l No conductive dusts or corrosive gases
l No explosion hazard, no shake or jolt
l Ground slope is no more than 5°
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Chapter 5 Characteristics and Specifications
5.3.2 AC Distribution SpecificationsThe specifications for the AC power distribution of the system are described in Table 5-3.
Table 5-3 AC Power Distribution Specifications
Item Specification
AC input The AC input configuration can either be:
l Three-phase five-wire (L1/L2/L3/N/PE)
l Single-phase three-wire (L/N/PE)
AC input voltage Rated: 100 to 240 VAC
Range: 80 to 300 VAC
(Input voltage variation affects the output power of the rectifier)
AC input frequency 50/60 Hz
AC input power factor ≥ 0.99 (with full load)
AC SPD l Class B, with discharging current≤120 kA
l Class C, with discharging current≤40 kA
5.3.3 DC Distribution SpecificationsThe specifications for the DC power distribution of the system are described in Table 5-4.
Table 5-4 DC Power Distribution Specifications
Item Specification
DC output voltage l Rated output voltage: -53.5 VDC
l Range: -42 VDC to -58 VDC
Rated DC output current 120 A (full configuration)
Rated DC output power 6000 W (full configuration)
Maximum DC output power 7660 W (full configuration)
Battery input breakers 2*100 A MCBs
Source effect ≤ 0.1%
Load effect ≤ 0.5%
Regulated voltage precision ≤ 0.6%
Weighted noise voltage < 1 mV
Peak-peak noise voltage ≤ 100 mV
Broad frequency noise voltage ≤ 30 mV (3.4 kHz~150 kHz)
≤ 20 mV (0.15 MHz~30 MHz)
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ZXDU58 W121 Product Description
Item Specification
Discrete frequency noise voltage ≤ 5 mV (3.4 kHz~150 kHz)
≤ 3 mV (150 kHz~200 kHz)
≤ 2 mV (200 kHz~500 kHz)
≤ 1 mV (0.5 MHz~30 MHz)
DC voltage drop < 500 mV
5.3.4 Other SpecificationsOther specifications are described in Table 5-5.
Table 5-5 Other Specifications
Item Specification
Cabinet dimensions 1000 mm × 650 mm × 600 mm (H × W × D)
Cabinet weight Approximately 92 kg (excluding rectifiers and monitoring unit)
ZXD1500 Rectifier weight 3.6 kg/set
Monitoring unit weight 1.6 kg
Cable connection l Power equipment unit and communication box: front
connection
l Cabinet: bottom connection
Installation mode Floor mounted
Noise ≤ 55 dB(A)
MTBF ≥ 2.2 × 105 h
• IP: International Protection• MTBF: Mean Time Between Failures
5.4 Compliant StandardsEMC Standards
In compliance with the following electromagnetic compatibility standards:
l EN55022l IEC61000-3-3; IEC61000-3-2; IEC61000-4-2;IEC61000-4-3 IEC61000-4-4;
IEC61000-4-6; IEC61000-4-8; IEC61000-4-11
Safety Standards
In compliance with the safety standard: UL/IEC/EN 60950-2005
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Chapter 5 Characteristics and Specifications
Other Standards
Also in compliance with the following standards:
l The RoHS directive (2002/95/EC) of the European Union (RoHS = Restriction ofHazardous Substances)
l This device complies with Part 15 of the FCC Rules. Operation is subject to thefollowing two conditions: (1) this device may not cause harmful interference, and (2)this device must accept any interference received, including interference that maycause undesired operation.
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Appendix AAppendixTable of Contents
� Dimensions and Weight .......................................................................................... A-1
� Electrical Connection Diagram................................................................................ A-1
� Term List................................................................................................................. A-4
A.1 Dimensions and WeightThe dimensions of the ZXDU58 W121 cabinet are shown in Figure A-1. The cabinetspecifications are as follows:
l Dimensions: 1000 mm x 650 mm x 600 mm (H x W x D)l Cabinet weight: Approximately 92 kg (excluding rectifiers and monitoring unit)l Monitoring unit: 1.6 kgl ZXD1500 rectifier: 3.6 kg/set, 4 sets (maximum)
Figure A-1 Cabinet Dimensions
• Unit: mm
A.2 Electrical Connection DiagramZXDU58 W121 (V4.0R04M01) electrical connection diagrams are shown below:
l Figure A-2 shows the electrical connection diagram for the system with single-phaseAC input and AC SPD of class B.
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ZXDU58 W121 Product Description
l Figure A-3 shows the electrical connection diagram for the system with single-phaseAC input and AC SPD of class C.
l Figure A-4 shows the electrical connection diagram for the system with three-phaseAC input and AC SPD of class B.
l Figure A-5 shows the electrical connection diagram for the system with three-phaseAC input and AC SPD of class C.
Figure A-2 ZXDU58 W121 (V4.0R04M01) Electrical Connection Diagram(Single-phase,Class B)
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Appendix A Appendix
Figure A-3 ZXDU58 W121 (V4.0R04M01) Electrical Connection Diagram(Single-phase,Class C)
Figure A-4 ZXDU58 W121 (V4.0R04M01) Electrical Connection Diagram(Three-phase,Class B)
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ZXDU58 W121 Product Description
Figure A-5 ZXDU58 W121 (V4.0R04M01) Electrical Connection Diagram(Three-phase,Class C)
A.3 Term ListRefer to Table A-1 for the details of acronyms that are used in this manual.
Table A-1 Term List
Abbreviation Full Name
AC Alternating Current
ACDP AC Distribution Panel
ACDR AC Distribution Rack
ACMU AC Monitoring Unit
ALM Alarm
BLVD Battery Low Voltage Disconnect
CL Current Limit
CSU Centralized Supervision Unit
DC Direct Current
DCDP DC Distribution Panel
DCDR DC Distribution Rack
EMC Electromagnetic Compatibility
LCD Liquid Crystal Display
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Appendix A Appendix
Abbreviation Full Name
LED Light Emitting Diode
LLVD Load Low Voltage Disconnect
LVD Low Voltage Disconnect
MCB Miniature Circuit Breaker
MCCB Moulded Case Circuit Breaker
MODEM Modulator-Demodulator
NC Normally Closed
NO Normally Open
PE Protection Earth
PFC Power Factor Correction
PWR Power
RECR Rectifier Rack
RLY Relay
SIB Signal Interface Board
SMR Switching Mode Rectifier
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