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Cost-Efficient Solution for Power Distribution Gas-Insulated Medium-Voltage Switchgear: Safe, Compact and Reliable

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Gas-insulated medium-voltage switchgear from Siemens 3

Flexible all-rounders 4

Convincing advantages 6

Portfolio overview 10

Selection matrix 11

8DA10/8DB10 12

NXPLUS 13

NXPLUS C 14

SIMOSEC 15

8DJH 16

8DJH Compact 18

8DJH36 19

NXPLUS C Wind 20

8DA11/8DA12 21

8DA10/8DB10 ANSI design 22

SIMOSEC ANSI 23

Contents

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The right solution ...

In the years to come, energy demand will increase worldwide due to continuous growth of population, progressive urbanization, and new trends such as electromobility. For the medium-voltage grids, this means a complex challenge: Increasing real estate prices force switchgear to become ever more compact. To achieve the climate targets, medium-voltage grids must incorporate more and more power from renewable energies.

Intelligent switchgear is increasingly being requested, which must additionally be environmentally compatible and sustainable, from manufacture through operation to disposal. Besides the high personal safety, economic aspects and the reliability of the switch-gear are of particular importance.

Gas-insulated medium-voltage switchgear from Siemens is the right solution for all of these requirements.

Gas-insulated medium-voltage switchgear from Siemens

Your benefits at a glance

■ Comprehensive supply of gas-insulated switchgear for primary and secondary distribution grids

■ High cost-efficiency by climate-independent, durable and maintenance-free switchgear

■ High switchgear availability and personal safety

■ Minimized space requirements by compact dimensions

■ High product quality from one of the pioneers of gas-insulated switchgear

■ Protection of investment by possible integration in smart distribution grids

■ Reliable and competent support on site – from planning to operation

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Compact, reliable, safe – and cost-efficient

Wherever space capacity, maintenance-free design, altitude, climate, or extreme environmental conditions exert a great influence, gas-insulated switchgear from Siemens offers the right technology for every application – with the complete experience of more than 30 years of pioneer development.

Get your benefit from our modern, reliable technology in order to set up a safe and highly available power supply in your grid, with sustainable and environmentally friendly systems that can be operated almost at every place of installation, independently of the climate, with minimum space requirements, and virtually without maintenance.

As for integration in higher-level control, protection and monitoring or energy management systems: With their integrated communications modules, our switchgear offer exactly the right technology also for such applications, regardless of whether for utilities and municipalities, for use in the oil and gas industry, in the metal industry or in renewable energy generation, in heavy industries, or for infrastructure such as railway stations, airports or buildings.

Flexible all-rounders for application in any kind of energy infrastructure

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Security for utilitiesCost-efficient and safe: Gas-insulated medium-voltage switchgear from Siemens convinces utilities all around the globe because of its high personal safety, operational reliability, and cost-efficient operation made possible by a maintenance-free and trouble-free design. Moreover, utilities benefit from the minimized dimensions of gas-insulated switchgear from Siemens, which simplify the construction of compact local transformer substa-tions, or their remodeling or retrofitting.

Reliable offshore and onshoreWind farms also have high requirements, not only regarding their place of installation. The climate- independent, maintenance-free technology and minimum space requirements of gas-insulated medium-voltage switchgear from Siemens enable the safe connection of the wind farms to the power grid.

Reliable for mining applicationsWhere maximum availability and reliability are requested under extreme conditions, e.g. in lignite open-cast mines, gas-insulated medium-voltage switchgear from Siemens is the first choice. The equipment operates around the clock without disturbance in an atmosphere of electrically conductive coal dust, at very different temperatures, and under high mechanical stress.

High performance in the metal industryThe metal industry requires extremely high performance levels: loads of up to 300 MW – which correspond to the power consumption of more than 300,000 households

– are no exception. Here, gas-insulated medium-voltage switchgear from Siemens supports the safe execution of all processes by reliably switching and distributing these large amounts of energy.

Hardest conditions in the oil and gas industryExploration and conveying systems in the oil and gas industry are dependent on a smooth, safe power supply, and require maximum power on minimum space: Gas-insulated medium-voltage switchgear from Siemens is installed in the climatically most demanding areas of the world: in the open sea, in the tropics, or in arctic regions.

Safety and compactness for modern infrastructureEver increasing demands in respect of safety, flexibility and low environmental impact are placed on modern infrastructure such as airports or office buildings through-out their entire service life. Our compact gas-insulated medium-voltage switchgear helps to develop a safe medium-voltage power distribution grid and reliably supply large consumers or the low-voltage grid.

For further applications, e.g. in data centers or sectors such as the automotive, chemical, or food and beverage industries, gas-insulated medium-voltage switchgear from Siemens ensures an optimum flow of power.

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At a time of growing cost and performance pressure it is even more important to decide on the right technology, above all because switchgear represents an investment for the next decades.

Compactness, performance, climatic independence and cost efficiency add to the central aspects of gas-insulated medium-voltage switchgear from Siemens in order to provide a future-proof investment: optimal personal and functional safety, as well as reliable, maintenance-free operation.

Convincing advantages

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CompactA gas-insulated medium-voltage switchgear assembly provides you with many advantages by means of techno-logically outstanding solutions, including the protection of your investments by targeted switchgear extensions. Its compactness offers space savings of up to 70 % for 36 kV primary distribution switchgear - and free space for new functions or the compact design of local transformer substations.

Maintenance-freeCost-efficient operation is one of the key factors for switchgear operators. This also involves especially long maintenance intervals.

Hermetically welded stainless-steel switchgear vessels (sealed pressure system) provide tightness for lifetime according to IEC 62271-200, which means that the preservation of function is normally determined by the service life of the incorporated switching devices. Under normal conditions, for example, vacuum circuit-breakers are designed according to IEC 62271-1 with up to 10,000 operating cycles without relubrication or readjustment.

This makes our switchgear practically maintenance-free – for maximum availability at high cost-efficiency.

Climate-independentEven under most extreme ambient conditions (such as saline air, high air humidity, conductive dusts or conden-sation), our switchgear proves to be the ideal solution, fulfilling its function independently of the air pressure or the site altitude, depending on the switchgear design. Reliability by outstanding technology – for the security of your power distribution.

IntelligentIn addition, concerning the integration in higher-level control, protection and energy management systems: For this purpose there are multiple communication and telecontrol devices available to implement the connection via different protocols (e.g., IEC 61850, IEC 60870-5-101/104, PROFIBUS, MODBUS, DNP).

In times of intelligent networks, so-called Smart Grids, the substations must be capable of integrating smoothly into the new network control structures. For this reason, medium-voltage switchgear should be equipped, among others, with motor operating mechanisms and compact telecontrol units. Depending on the degree to which the switchgear is equipped, faults are faster to locate, and measured values can be collected and transmitted. Load characteristics can also be recorded, overloads are detected earlier, decentralized power supplies can be controlled, and losses in the distribution grid are minimized.

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Personal safetyGas-insulated medium-voltage switchgear from Siemens is constructed in a particularly safe manner. It meets international safety requirements and is internal arc classified according to IEC 62271-200. This high safety standard is achieved, among others, by constructional measures such as the hermetically sealed, safe-to-touch primary enclosure and the metal enclosure of all parts under high voltage, including the cable terminations, busbars and voltage transformers as well as their earthed enclosure.

Besides the standard degree of protection IP 65 for all parts of the primary circuit under high voltage, a sophisti-cated operating logic offers additional safety. Logical mechanical interlocks prevent maloperation.

Furthermore, safe isolation from supply can be verified by means of a capacitive voltage detecting system, and all operating mechanisms and auxiliary switches are accessible without danger outside the primary enclosure, while operation is only possible with closed switchgear enclosure due to the system design.

Security of operationEconomic targets go hand in hand with a high operational reliability. Gas-insulated switchgear from Siemens supports you with an almost maintenance-free, robust and tested design – for maximum availability even under extreme environmental conditions. The hermetically sealed primary enclosure makes the switchgear insensitive to environmental influences (such as dust), but also to ingress of foreign objects or small animals.

Outside the enclosure there are no appreciable electric fields, so that partial discharges caused by pollution layers will not appear at long term either. In addition, the welded switchgear vessels are sealed for life, and the electrical respectively thermal stress of the current transformers as well as the low-voltage components is almost reduced to zero.

Environmentally responsibleOur production locations are certified to DIN EN ISO 14001 – we pay particular attention to the preservation of resources throughout all production processes. This also means that we select environmentally compatible products already in the phase of product development, and reduce the material and energy expenses in the manufacture by a production-friendly development. In this way, our gas-insulated switchgear leaves only a small “footprint”, not only due to its compact design, but also ecologically.

After decades of service, we assume the responsibility to recycle the switchgear in accordance with the applicable regulations.

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ReliableFor long-lasting products such as gas-insulated medium-voltage switchgear from Siemens, absolute quality, matching exactly with the specific prerequisites and requirements of the place of installation, are in the focus of our work.

Optimum adjustment to the local challenges is reached by internationally staffed development teams as well as by production centers located close to the customers, certified to DIN EN ISO 9001 and 14001. However, the decisive issue for high quality are not only the manage-ment systems, but also the comprehensive training of our employees, and the use of innovative technologies such as high-precision laser welding equipment, which allows us to ensure the high gas tightness of the vessels. The electrical bushings of the stainless-steel vessels are welded in without seals – just like the linkage mechanisms for transferring the operating energies to the switching devices inside the vessels.

Furthermore we test every switchgear vessel for tightness in the vacuum test chamber using helium. Our target for each individual switchgear vessel is “sealed for life”.

And when it comes to match-winning components, e.g. insulating parts made of cast resin, we make no compro-mises, but rely on our own production, securing their quality and function to 100 % via X-ray, tightness, high-voltage, and partial discharge routine tests. Competent support on site Our experts support you worldwide, and advise you, as our customer, to develop optimum solutions for your power distribution grid. In this context you will benefit, for example, not only from our specific know-how in project management and our financial services, but also from our experienced customer account managers, who consider all relevant aspects to the topics safety, logistics and environmental protection in their quotation.

As a planner you can take the advantage of particular services in the planning phase, with our experts from Totally Integrated Power (TIP) accompanying you with professional consulting, software tools, specification texts and planning manuals.

Portfolio overviewThis is what a clear, comprehensive product range for medium-voltage switchgear looks like: your requirements – and the matching solution from Siemens.

At the same time, our matrix is your guide to the right gas-insulated medium-voltage switchgear from Siemens. In accordance with the relevant IEC or ANSI standards you will find the suitable offer to your requirements at one glance by selecting the appropriate combination of distribution level, busbar system, as well as the basic electrical parameters.

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Secondary distribution level

Primary distribution level

Transmission level, generation level, high-voltage grid

Low-voltage grid

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Selection matrix Electrical data (max.) Page

Standard Distribution level Busbar system

Switchgear type

Ur

[kV]

Ik

[kA]

Ibusbar

[A]

Ifeeder

[A]

7,5 12 15 17,5 24 27,5 36 40,5 20 25 31,5 40

IEC Primary distribution level

Single 8DA10 5000 2500 12

NXPLUS 2500 2000 13

NXPLUS C 2500 2000 14

2500 2500 14

Double 8DB10 5000 2500 12

NXPLUS 2500 2500 13

NXPLUS C 2500 1250 14

Single SIMOSEC1) 1250 1250 15


Single NXPLUS C 2500 2000 14

2500 2500 14

8DJH / 8DJH Compact

630 630 16–18

630 630 16–18

8DJH36 630 630 19

SIMOSEC1) 1250 1250 15

Wind power stations Single NXPLUS C Wind 1000 1000 20

Traction power supply 8DA11/8DA12 3150 2500 21

Selection matrix Electrical data (max.) Page

Standard Distribution level Busbar system

Switchgear type

Ur

[kV]

Ik

[kA]

Ibusbar

[A]

Ifeeder

[A]

8,25 13,8 15,0 27,6 38 40,5 20 25 31,5 40

ANSI Primary distribution level

Single 8DA10 5000 2500 22

Double 8DB10 5000 2500 22

Single SIMOSEC ANSI1)

1200 1200 23

1200 1200 23


Single SIMOSEC ANSI1)

1200 1200 23

1200 1200 23

1) Air-insulated switchgear with gas-insulated switching devices

121) SBB: Single busbar 2) DBB: Double busbar

Circuit-breaker panel Disconnector panel Bus sectionalizer Circuit-breaker panel Bus sectionalizer Bus coupler

8DA10 single busbar 8DB10 double busbar

8DA10/8DB10The reliable switchgear for high demands with single-pole metal enclosure of the phases – for the primary distribution level up to 40.5 kV

Technical features

Rated values up to 40.5 kV, 40 kA, 3 s

Rated frequency 50/60 Hz

Busbar current up to 5000 A

Feeder current up to 2500 A

Busbars Single and double busbar

Insulation Gas-insulated

Switchgear vessel Hermetically single-pole enclosed

Type of switchgear Factory-assembled, type-tested, single-pole metal-enclosed switchgear according to IEC 62271-200Modular and extendable as individual panels

Classification according to IEC 62271-200

Partition class PM

Loss of service continuity category LSC 2

Accessibility to compartments Busbar compartment: Tool-based

Switching-device compartment:

Tool-based

Cable compartment: Tool-based

Internal arc classification IAC A FLR 40 kA, 1 s

Dimensions

Panel width 600 mm

Panel height 2350 mm (standard), 2700 mm (option)

Panel depth SBB1): 1625 mm, DBB2): 2665 mm

For further information, see catalog HA 35.11

Product range (in excerpts)

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NXPLUSStrong performance in three-phase metal enclosure – for a high voltage and short-time withstand current for the primary distribution level up to 40.5 kV

Technical features

Rated values up to 40.5 kV, 31.5 kA, 3 s 36 kV, 31.5 kA, 3s

Rated frequency 50/60 Hz 50/60 Hz

Busbar current up to 2500 A 2500 A

Feeder current up to 2000 A 2500 A

Busbars Single busbar Double busbar


Switchgear vessel Hermetically enclosed

Type of switchgear Factory-assembled, type-tested, metal-enclosed switchgear according to IEC 62271-200Modular and extendable as individual panels


Partition class PM



Switching-device compartment:

Non-accessible


Internal arc classification IAC A FLR 31.5 kA, 1 s

Dimensions

Panel width depending on panel type

600 mm, 900 mm

Panel height SBB1) 2450 mm, DBB2) 2600 mm

Panel depth SBB1) 1600 mm, DBB2) 1840 mm


1) SBB: Single busbar 2) DBB: Double busbar 3) OC: Outside cone 4) IC: Inside cone

Circuit-breaker panel Circuit-breaker panel Bus sectionalizer Circuit-breaker panel Bus sectionalizer Bus coupler

OC3) SBB1) IC4) SBB1) SBB1) IC4) DBB2) DBB2) DBB2)


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NXPLUS CStrong performance in three-phase metal enclosure for flexible application –for the primary and secondary distribution levels up to 24 kV

Technical features

Rated values up to 15 kV, 31.5 kA, 3 s 24 kV, 25 kA, 3 s









Partition class PM



Switching-device compartment: Non-accessible

Cable compartment: ■ with HV HRC fuses: ■ without HV HRC fuses:

Interlock-controlledand tool-basedTool-based

Internal arc classification 7.2 kV to 15 kV: IAC A FLR 31.5 kA, 1 s

17.5 kV to 24 kV: IAC A FLR 25 kA, 1 s

Dimensions

Panel width depending on panel type 600 mm, 900 mm at 2000 A and 2500 A

Panel height 2250 mm, 2550 mm at 2000 A and 2500 A

Panel depth 1225 mm


Circuit-breaker panel Disconnector panel Bus sectionalizer Switch-disconnector panel Contactor panel Metering panel


409

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Technical features

Rated values up to 24 kV, 20 kA, 3s 24 kV, 25 kA, 2s




Busbars Single busbar

Insulation Air-insulated

Switchgear vessel Gas-insulated switching-device vessel, hermetically enclosed



Partition class PM

Loss of service continuity category Feeder panels R, T, L: LSC 2

Metering panels M, bus riser panels H, cable panels K:

LSC 1



Switching-device compartment with removable circuit-breaker:

Accessible, interlock-controlled

Cable compartment: ■ with HV HRC fuses: ■ without HV HRC fuses:

Interlock-controlled,tool-basedInterlock-controlled,tool-based

Internal arc classification IAC A FL/FLR 21 kA, 1 s

Dimensions

Panel width depending on panel type 375 mm, 500 mm, 750 mm

Panel height 1750 mm (standard), 2100 mm and 2300 mm (option)

Panel depth 1020 mm, 1170 mm, depending on the design


SIMOSECThe air-insulated switchgear with gas-insulated switching-device vessel –for the secondary and primary distribution levels up to 24 kV

Ring-main panel R Transformer panel T Circuit-breaker panel L Circuit-breaker panel L1 Circuit-breaker panel L1(r) Metering panel M


Panel width 500 mm Panel width 750 mm Panel width 750 mm

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8DJHThe one that fits all – flexible with individual panels –for the secondary distribution level up to 24 kV

Technical features

Rated values up to 17.5 kV, 25 kA, 1 s 24 kV, 20 kA, 3 s







Type of switchgear Factory-assembled, type-tested, metal-enclosed switchgear according to IEC 62271-200Modular and extendable, single panels and panel blocks can be combined freely


Partition class PM


Metering panel M, cable panel K or K(E):

LSC 1

Accessibility to compartments Busbar compartment: Non-accessible


Cable compartment: Interlock-controlled


Dimensions

Panel width depending on panel type 310 mm, 430 mm, 500 mm, 620 mm, 840 mm

Panel height Optionally 1200 mm, 1400 mm, 1700 mm(each without low-voltage compartment)

Height of LV compartment (option) Optionally 200 mm, 400 mm, 600 mm, 900 mm

Panel depth 775 mm, 890 mm (with pressure relief duct at the rear)


Cable feeder K or K(E) Ring-main feeder R Transformer feeder T Circuit-breaker feeder L Metering panel M

Product range for individual panels (in excerpts)

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8DJHThe one that fits all – efficient with panel blocks, also for intelligent transformer substations – for the secondary distribution level up to 24 kV

Technical features








Type of switchgear Factory-assembled, type-tested, metal-enclosed switchgear according to IEC 62271-200Modular and extendable (option), panel blocks consisting of 2, 3 or 4 panels


Partition class PM


Cable panel K or K(E) LSC 1





Dimensions

Block width depending on number and type of panels

620 mm to 1720 mm

Block height Optionally 1200 mm, 1400 mm, 1700 mm(each without low-voltage compartment)

Height of LV compartment (option) Optionally 200 mm, 400 mm, 600 mm, 900 mm

Block depth 775 mm, 890 mm (with pressure relief duct at the rear)


Scheme KT Scheme RT Scheme RRT Scheme RRL Scheme RRRL

Compact telecontrol unit for integration in Smart Grids

Product range for panel blocks (in excerpts)

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8DJH CompactMaximum functionality on minimum space – also for intelligent transformer substations – for the secondary distribution level up to 24 kV

Technical features








Type of switchgear Factory-assembled, type-tested, metal-enclosed switchgear according to IEC 62271-200Panel blocks consisting of 3, 4 or 6 panels


Partition class PM





Internal arc classification IAC A F/FLR 21 kA, 1 s

Dimensions

Block width depending on number and type of panels

620 mm, 700 mm, 930 mm, 1010 mm, 1240 mm, 1400 mm

Panel height Optionally 1400 mm or 1700 mm

Panel depth 775 mm

Scheme RRT Scheme RRT-R Scheme RRT-RRT Scheme RRT Scheme RRT-R Scheme RRT-RRT

Overall height 1400 mm Overall height 1700 mm

Integration in Smart Grids – 8DJH Compact with telecontrol unit in a transformer substation

Product range for panel blocks (in excerpts)

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8DJH36Modular switchgear for flexible application –for the secondary distribution level up to 36 kV

Technical features

Rated values up to 36 kV, 20 kA, 3 s







Type of switchgear Factory-assembled, type-tested, metal-enclosed switchgear according to IEC 62271-200Modular and extendable, single panels and panel blocks


Partition class PM






Dimensions

Panel width depending on panel type 430 mm, 500 mm

Panel height 1600 mm (without low-voltage compartment)

Panel depth 920 mm


Ring-main feeder R Transformer feeder T Panel block RRT

Product range (further panel and block versions in preparation)

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NXPLUS C WindThe reliable connection between the wind turbine and the power grid –offshore and onshore up to 36 kV

Technical features

Rated values up to 36 kV, 20 kA, 3 s and 25 kA, 1 s



Feeder current

for disconnector panel up to 1000 A

for circuit-breaker panel up to 800 A

for ring-main panel up to 630 A






Partition class PM






Dimensions

Panel width depending on panel type 450 mm, 600 mm

Panel height 1900 mm

Panel depth 1000 mm


Circuit-breaker panel Ring-main panel Disconnector panel

Product range

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8DA11/8DA12The safe and flexible AC traction power supply for railway applications –in single-pole or double-pole design up to 27.5 kV

Circuit-breaker panel Disconnector panel Bus sectionalizer Circuit-breaker panel Disconnector panel Bus sectionalizer

8DA11 single-pole panels 8DA12 double-pole panels

Technical features

Rated values up to 27.5 kV, 31.5 kA, 3 s




Insulation Gasisoliert


Type of switchgear Factory-assembled, type-tested, single-pole metal-enclosed switchgear according to IEC 62271-200Modular and extendable as individual panels


Partition class PM



Switching-device compartment: Tool-based


Internal arc classification IAC A FLR 31.5 kA, 1 s

Dimensions

Panel width 600 mm


Panel depth 1-pole: 865 mm, 2-pole: 1245 mm



221) SBB: Single busbar 2) DBB: Double busbar


Circuit-breaker panel Disconnector panel Bus sectionalizer Circuit-breaker panel Bus sectionalizer Bus coupler

8DA10 single busbar, ANSI design 8DB10 double busbar, ANSI deisgn

8DA10/8DB10 ANSI designMetal-enclosed switchgear for high availability by single-pole switchgear design – for the primary distribution level up to 40.5 kV

Technical features

Rated values up to 40.5 kV, 40 kA, 3 s







Type of switchgear Factory-assembled, type-tested, single-pole metal-enclosed switchgear according to IEC 62271-200 Modular and extendable as individual panels With camera system for visual monitoring of the switch positions of the disconnectors and earthing switches With UL certification

Classification according to IEEE Std C37.20.7TM – 2007

Accessibility to compartments Switchgear in closed electrical service location, access “for authorized personnel only”

Internal arc classification Type 2B, 40 kA, 0.5 s

Dimensions

Panel width 600 mm


Panel depth SBB1): 1625 mm, DBB2): 2665 mm


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Technical features

Rated values up to 8.25 kV / 15 kV, 25 kA, 2 s 27.6 kV, 20 kA, 2 s



Feeder current

for cable switch panels up to 600 A 600 A

for cable connection panels up to 1200 A 1200 A


Insulation Air-insulated

Switchgear vessel Gas-insulated switching-device vessel, hermetically enclosed

Type of switchgear Factory-assembled, type-tested, metal enclosed switchgear according to ANSI/IEEE Std C37.20.3Modular and extendable as individual panels

Classification according to IEEE C37.20.3

Type of accessibility Switchgear in closed electrical service location, access “for authorized personnel only”

Internal arc classification Without

Dimensions

Panel width depending on panel type 375 mm (14.8”), 500 mm (19.7”), 750 mm (29.5”)

Panel height depending on version 2250 mm–2550 mm (88.6”–100.4”)

Panel depth 1230 mm (48.4”)


SIMOSEC ANSIThe air-insulated, metal-enclosed switchgear –for the secondary and primary distribution levels up to 27.6 kV

Cable switch panel CS Fuse-switch panel FS Cable connection panel CC Metering panel MT


Published by and copyright © 2013:Siemens AG Wittelsbacherplatz 2 80333 Munich Germany

Siemens AG Infrastructure & Cities Sector Low and Medium Voltage Division Medium Voltage & Systems Mozartstr. 31 C 91052 Erlangen Germany


For more information,please contact ourCustomer Support Center.Tel.: +49 180 524 8437 Fax: +49 180 524 2471 Charges depending on provider)E-mail: [email protected]

Low and Medium Voltage Division Order No. IC1000-G320-A168-X-7600 | Printed in Germany TH 260-130500 | WS 0813 WÜ 3.0

Printed on elementary chlorine-free bleached paper.

All rights reserved.Trademarks mentioned in this document are the property of Siemens AG, its affiliates, or theirrespective owners.

Subject to change without prior notice.The information in this document contains general descriptions of the technical options available, which may not apply in all cases.The required technical options should therefore be specified in the contract.


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