Narada active power solution

An Expert of Energy Storage Solutions.

Active power solution

High efficient storage system

By Walter. Jin

[email protected]

+86-18917365151

The background

Stored Energy Solutions for a Demanding World!

NCA(Li-Ni-Co-Al) NMC(Li-Ni-Mn-Co) LMO(Li-Mn-Spinel)

LTO (Li2TiO3) LFP (LiFePO4)

Why LiFePO4 chemistry Narada storage system


• Operating

temperature

• Toxicity

• Cost

• Internal

impedance

• The rate of

self discharge

• The charge

acceptance

• Coulombic

efficiency

• The power

delivery(C rate) • Energy

density

• Cycle life

• Safety

• Calendar life

Why LiFePO4 chemistry Narada storage system

80% SOC T=25oC T=35oC

100% DOD 3500cycles 3000cycles



> Non-toxic, recyclable

> Reliable, long life span

> Good performance

> Safe and economical

LFP advantages


Function of storage Narada storage system

A

> Power station

> Distribution substation

> Automation equipment

> Transmission substation

> Residential end-users

> Industrial end-users

> Energy storage

C

B

D

E

Applied sections

D. Residential consumption

B. Power transmission

C. Power distribution

A. Power generation

E. Large-scale consumption



Capacitive Inductive

U φ

Discharge

Charge

Smn

SN

Sm2n

Q S

Reactive Voltage control

--- Dynamic reactive power (Q) input & output

for voltage and frequency correction

--- Pure phase shift capability to adjust

apparent power (S)

--- Active filter of selected harmonics capability

Operation diagram

of Lithium battery



4 quadrant operation

--- Charge and discharge capability at any

cosφ for power factor correction

--- Dynamic power input and output for

voltage and frequency correction

--- Operates as a virtual rotating mass,

to absorb high load transients

--- Capability for black start service

Power frequency regulation

Black start service by storage

Generator

Start Energy

Energize

Transmission Line Energy ramp down

as generator

pick up load

TIME

BES

S O

utp

ut

(MV

A)

Gri

d F

req

uen

cy

TIME

Frequency with storage

Frequency without storage



Power generation variance

Fluctuation

in load line

MEG

AW

AT

TS

On-grid peak demand shifting

OU

TP

UT

TIME

Original load

Charging

Smoothed load

Discharging Demand shift ON-Grid energy storage

--- Grid services provision: intermittency

mitigation, quality improvements…etc.

--- Symmetric current injection capability

--- 1 + 1 resilience and reliability capability



OFF-Grid energy storage

--- Regulates to within ±1% voltage and

frequency of diesel generator set

--- Provides virtual rotating mass, dynamic

voltage and frequency controls

--- Ability to handle asymmetric current

and load conditions

--- Supports peak shaving and load shifting

Peak shaving function

Peak hour of electricity demand

(12:00 ~ 16:00)

Peak Cut

0:00 6:00 12:00 18:00

Load levelling function

PO

WER

TIME

Power supply

Demand

Discharge from storage


Data center

Energy saved and power density

increased in order to improve

network and cloud performance

PV + storage

Increase the efficiency of PV

system, obtain more solar energy

from panels as well as earnings

Industrial UPS

Flexible, extendible, greater

access, fault tolerant design

with redundancy built-in

Micro-grid

Functions as: Load levelling, peak

shaving, transient suppression

and power factor correction…etc.

Value creation in applications Narada storage system

Active solutions


Technical specification Narada active module

Module 500V type

Module Voltage: 500Vdc

Module Power: 12.8KW

Module Capacity: 5.1KWh

The unique bi-directional, digitally controlled ultra

high efficiency energy storage module: simplified

architecture with BMS and switch gear integration,

reliable, high quality, high efficiency, cost effective.


Parameters Values Parameters Values

Cell numbers 20 Dimension 420*225*610mm

Operational voltage 410~550V Weight 60kg Max.

Over voltage protection 565V Charge temperature 0~60℃; derate>55℃

Under voltage protection 390V Discharge temperature -20~60℃; derate>55℃

Charge current range 1~12A Storage temperature 0~45℃

Discharge current range 1~30A Humidity 0~95%

Balancing & Monitoring Yes, per cell Cooling By forced air

Overload capacity 37.5A Audible Noise 60dBA

Short circuit limit 39A Shock & Vibration IEC60068-2

Turn-on time 5 seconds Reliability >150,000 hours

HV sense circuit limit 750Vdc Safety Certification CE Mark, cUL, UN label

Draw in sleep mode <1W EMC-Class A CISPR22 (EN55022)

Self-discharge(25℃) 1%~3%/month Environmental standard RoHS 6/6, WEEE

Self-discharge(35℃) 5%~6%/month Ingress protection IP20

Specification of Module 500V Narada active module


Module 900V type

Module Voltage: 900Vdc

Module Power: 12.8KW










Operational voltage 650~900V Weight 130kg Max.

Over voltage protection 950V Charge temperature 0~60℃; derate>55℃

Under voltage protection 600V Discharge temperature -20~60℃; derate>55℃




Overload capacity 16A Audible Noise 60dBA



Ripple and Noise 1.5Vrms Safety Certification CE Mark, cUL, UN label







Module 480V type

Module Voltage: 480Vac, 3Φ

Module Power: 8KVA









Module voltage range 480V±10% 3phases Weight 140kg Max.

Module Frequency Range 60Hz±0.5Hz Charge temperature 0~60℃; derate>55℃

Modules current Share ±10% Discharge temperature -20~60℃; derate>55℃




Overload capacity 11A Audible Noise 60dBA



Line Power Factor Full 4 quadrant Safety Certification CE Mark, cUL, UN label






Mechanical dimensions Narada active module

435mm

614.8mm

41

5m

m


Features & Benefits Narada active module

Ultra High efficiency(Optimized at 96.8%)

Extensive DSP controls, managing a dynamically optimized topology,

with a flat efficiency curve between 5A to 12A load but less components

Leading power density(1.9W/1.7Wh/in3)

Reduced energy losses with an optimized topology enables a small

footprint, creating both lower capital investment and operating cost

Wide input voltage(Range: 650V~900V)

The high reliability, multi-stage redundant protection is designed to

our products, to meet the tough environments of rugged applications

mlt charging regime (15% more lifespan)

Our multi-mode intelligent charging algorithm enables to create

an optimum V-I envelope for both charge and discharge curves

Plug and Play compatibility

Flexibility and freedom in system configuration with minimal cost


Electrical specification Narada active module

Module 500V

Module 900V

Module 480V

• Voltage: 410~550Vdc

• Power: 12.8kW

• Capacity: 5.1kWh

• Voltage: 480Vac, 3Φ

• Power: 8kVA


• Voltage: 410~550Vdc

• Power: 12.8kW


20 cells

40 cells

40 cells

DC

DC

DC

DC

DC

DC DC

AC


Conventional AC coupling Narada active module

Batteries PCS

DC combiner

DC

DC DC

DC

AC

PV array

DC combiner

Inverter

DC

DC

AC

DC

DC

Wind

Diesel

Loads

AC

AC

AC

Transformer

400V 400V 10KV


Solar + storage integration Narada active module

800Vdc, 15A

Module

Module

800Vdc, 15A

800Vdc, 15A Module

Conventional AC coupled plan

-- Efficiency: 0~1.0MW→ 98.2% (PV)

0~1.0MW→ 98.2% (ESS)

-- Note: no expansion more than

AC rating of PV inverter

Innovative DC coupled plan A

-- Efficiency: 0~1.0MW→ 97.7% (ESS)

1.0~1.5MW→ 94.5% (ESS)

-- Note: Retrofit for existing PV system

Innovative DC coupled plan B

-- Efficiency: 0~1.0MW→ 97.7% (ESS)

1.0~1.5MW→ 94.5% (ESS)

-- Note: For new building system


Rack for batteries Narada active module

20

77

.85

mm

50

mm

700mm 553.2mm

The rack design builds on the resilience of the

modules. Each rack can contain up to 5 modules

connected in parallel and fused to the 900V high

voltage bus bar.

The drawing at left side shows 4 modules in the rack.

Most of the racks in the solution will have 4modules,

but 25% will also be populated with a 5th module.

The height of the 5 module rack is 2.54m or 460mm

Rack Design & Performance


Narada active container



Total capacity 1,402kWh (800V 1,900A) Dimension 6*2.4*2.9m

Output Voltage 650~900V Weight 23,000kg Max.

Output Power 1,690kW Charge temperature -20~60℃

Max. output connection Qty. 6; 800V, 320A Discharge temperature -20~60℃

Turn-around efficiency above 95.3% Storage temperature 5~45℃

Scalability 14.0MWh per block Humidity 0~95%

Grounding 30kA max. ground fault Cooling Thermal management

Footing Min. 6 required Audible Noise 60dBA

CO2 sequestration 60~75 CO2 eTons Shock & Vibration IEC60068-2

Security Level Firewall+Encryption Quality Standard ISO/TS16949:2009

Altitude up to 2000m Safety Certification CE Mark, cUL, UN label

Sustainability Design Circular Life-Cycle EMC-Class A CISPR22 (EN55022)

Fire Suppression Benign Ionic Salt Environmental standard RoHS 6/6, WEEE

Internal communications GigaBit Ethernet Ingress protection IP56

Technical specification Narada active container


Features & Benefits Narada active container

More PV energy extraction

Our unique architecture extracts more energy

from the solar panels with the mlt charging

regime, by actively extending the PCS’s MPPT,

while it has already achieved full output

When DC:AC ratio is more than 1.1, the internal

DSP controls will dynamically optimize the ESS

voltage to maintain the inverter at maximum

output while also charging the batteries with

the excess energy from the Solar PV panels,

creating greater cash flow for our customers


Layout of 20” container Narada active container

Heat sensor

Smoke sensor

CO2 sensor FSS

Gen.

Buzzer

Latch for exhaust

Visual indicator

900Vdc Rail

900Vdc-24Vdc

Walkaway, cable trays, lighting, heating and built-in lift for module services

Support system

800Vdc; 75A

5 isolated outputs: Each 800Vdc, 375A with dual pole and disconnect switches


DC configuration plan Narada active container

Sub-system Rack Module Container

-- 900V, 15A

-- 12.8kW

-- 10.24kWh

-- 900V, 1650A

-- 1,400kW

-- 1,126kWh

-- 900V, 370A

-- 320kW

-- 256kWh

-- 900V, 75A

-- 64kW

-- 51.2kWh


DC configuration plan Narada active container

DC solution container

• Charge & discharge: 1C charge and 1C discharge capability up to 60°C ambient

• Certification: CE, cUL, EN approvals

• Compactness: 19”rack, 0.6m depth modules fitted into a 20 feet container

• High energy density: 900Vdc, 15A, 12.8kW, 10.24kWh modules up to 1.4MW, 1.12MWh

The inner layout of DC solution container


AC configuration plan Narada active container

Sub-system Rack Module Container

-- 480V, 10A

-- 8kVA

-- 10.24kWh

-- 480V, 1100A

-- 880kVA

-- 1,122kWh

-- 480V, 250A

-- 200kVA

-- 256kWh

-- 480V, 50A

-- 40kVA

-- 51.2kWh


AC configuration plan Narada active container

The inner layout of AC solution container

AC solution container

• Charge & discharge: 1C charge and 1C discharge capability up to 60°C ambient

• Uniqueness : Comparing most other solutions, it is a leading tech. for min. 4years

• Compactness: 19”rack, 0.6m depth modules fitted into a 20 feet container

• High energy density: 480Vac, 15A, 8kVA, 10.24kWh modules up to 880kVA, 1.12MWh


Racks diagram Narada active container

800Vdc 15A

800Vdc 15A

800Vdc 15A

800Vdc 15A

800Vdc 15A

800Vdc 15A

800Vdc 15A

800Vdc 15A

800Vdc 15A

800Vdc 15A

M1 M2 M3 M4 M5 M1 M2 M3 M4 M5

F1,F2 1000Vdc, 80A

F9,F10 1000Vdc, 80A

To HV common bus

Rack W. 5 modules

Rack W. 5 modules

• The modules are adjustable from 750Vdc to 900Vdc for system optimization

• Each rack is 900Vdc, 75A maximum, (64kW/ 51.2kWh) with 5 modules fitted

• The M1000 communicates via protocol of both CAN-open and Ethernet

• Every M1000 controller manages a maximum 5 racks or 25 modules

CAN-open Com. to each module Ethernet Com. to monitoring


Configuration example Narada active container

800Vdc 1500A 800Vdc 1500A 800Vdc 2700A

800Vdc 1500A 800Vdc 1500A 800Vdc 2700A

11’w

. 2

nd S

kin

23’w. 2nd Skin

16.76m

9.2

0m

3ΦAC-480V

3ΦAC-480V

2*(800V,3000A cabling) 4.8MW/ 3.85MWh solution

•Remark: Each LFP container weights max. 22.5T; appropriate grounding and footing for each

container should be approved by Narada (footing in 6 locations: 4 at conners+2 in middle)

• Configuration: 4*LFP containers (1.2MWh/ 962kWh); 2*PCS (2.25MW,800V);

2*cabling (1000V,300A); 2*Pad mount transformers (2.25MVA, 13.2KV/ 480V)


Position Color LED Condition

Upper Green System OK

Middle Amber Minor alarm

Lower Red Critical alarm

The controller of Racks Narada active container

Alarm indication on front panel

Every module (module 1 to 5) within the rack will report its own status, warnings and alarms. Most of them are

repeated here as the M1000 will handle and store those status summaries, warning and alarms on top of

controlling the performance of each module. Beyond its control, monitoring and storage (max. 30 days)

function, it also communicates all the parameters from cell, module and rack info to the ExiNMS manager.


Container line diagram Narada active container

× 4 sets

S1: 1000Vdc, 600A

Container input & output

S4: 1000Vdc, 600A


S5: 1000Vdc, 200A


Communication Hub

Fire suppression system

Temperature control system

Central controlling system

Lighting system


System efficiency Narada active container

99.00

98.00

97.00

96.00

95.00

94.00

93.00

0.00 20.00 40.00 60.00 80.00 100.00 120.00

Eff

icie

ncy

(%

)

Output power (%)

800V DC

900V DC

1000V DC

• The efficiency of MV transformer (480V/ 13.8kV) is 99.48%

• The efficiency of cabling between PCS & transformer (480V) is 99.82%

• The efficiency of PCS (250kW) is 95.2%~97.79%, depends on output power

• Note: the efficiency for the same power varies at different voltages!


Container efficiency Narada active container

Cable,

switch

PCS Transformer

Cable,

switch

Cable,

switch

PCS Transformer

Cable,

switch

> Container loss=79.6kwh Cable, switch loss=9.0kwh

> Container loss=78.9kwh Cable, switch loss=8.3kwh

Charging process

• Charging losses: - Battery losses=80.60kWh - Aux. System=1.87kWh - Total losses=90.47kWh

• Test conditions: - @25oC, 3760A, 800Vdc - Charge power 3007kWh - Charging time: 70mins

Discharging process

• Discharging losses: - Battery losses=87.24kWh - Aux. System=1.50kWh - Total losses=88.74kWh

• Test conditions: - @25oC, 3760A, 800Vdc - Discharge power 2827kWh - Charging time: 56mins Turn-around losses: 179.21kWh

Auxiliary system


Data communication Narada auxiliary system

• Narada Client Servers are deigned to handle up to 10,000 nodes/ modules each and are able to store full site

information for 10 years+, which are meant to be operated in either core or client mode and fully redundant

• Client servers: 1&2/ 3&4 will back-up each other and communicate to the PCS control center A&B respectively

through Ethernet or any other public or private protocol.

• Core servers: A&B are expected to communicate with customer’s Network Operating Center(NOC)

Client Server Client Server

Client Server Client Server

PCS controls

Core Server

PCS controls

Core Server

Customer NOC

Typical 5MWh data communication & storage network

1

3

2

4


Data communication Narada auxiliary system

Dashboard interface of Narada storage system


Thermal management Narada auxiliary system

Note: Container must be 1m above ground level to eliminate snow or water

blockage of intake and exhaust area, plus debris from blocking the entry ways.

Support system

800Vdc; 75A Hot corridor

Cold corridor

Hot corridor


Thermal management Narada auxiliary system

Heat sink surface temperature Module thermal results

Speed (m/s) Temperature(F)


Controller of the system Narada auxiliary system

Reactive Voltage control

For setting configuration of every single

cell, module, rack and power supply:

• Voltage, current, temperature, SoC, SoH,

cycle numbers, mode of operation, alarms

• Tracks assets, events, energy in/out, run

time, calibration, maintenance, warnings

• Maintains security, warning and alarm logs,

revisions, configuration, history of warranty

M1000 controller


M1000 physical description Narada auxiliary system

Item Nomenclature

1 Power LED

2 Minor Alarm

3 Critical Alarm

4 Display Screen

5 Left Key (Scroll)

6 Right Key (Scroll)

7 Up-Key (Scroll/Parameters change)

8 Down-Key (Scroll/Parameters change)

9 Enter Key

10 USB Port

11 Ethernet Port

12 Holding Screw

13 Power/ CAN communication port

14 RS485 communication port

15 RS232 communication port

1

2

3

10

11

12

7

5 6

8

9

13

13

14

14

15


Parameters Values

System Control Bus CAN V2.0b, 2 pcss, on RJ45 with the 900-00002-01 & units

Serial Bus 2 x RS 485 on RJ45; 1x RS232 on D-Sub 9

Battery / Load LVD Control Up to 5

Battery Fuse Monitoring Auxiliary Inputs, voltage sensing

Battery Mid Point Monitoring Optional

Support for Li-Ion Battery Yes, settable Charge Profiles and communications with modules

Battery Testing Automatic Battery Monitoring and Periodic Test

Display for user interface 65k Color TFT, 5 keys

Ethernet for user interface 10/ 100 Base – T, MDI / MDI-X with many IP Protocols

USB for user interface USB 2.0, Device & Host Modes

Event Storage Up to 10,000 events

Parameter Logging Up to 4 GB on SD Card (optional)

Dimension of M1000 110 x 43 x 145 mm (H x W x D)

Temperature Range Operating -20oC to +60oC

M1000 specification Narada auxiliary system


The rack design builds on the resilience of

the modules. Each rack can contain up to 5

modules connected in parallel and fused to

the 900V high voltage bus bar.

The drawing at left side shows 4 modules

in the rack. Most of the racks in the

solution will have 4modules, but 25% will

also be populated with a 5th module. The

height of the 5 module rack is 2.54

Rack Design & Perforce

Fire suppression system Narada auxiliary system

Discharge of the fire suppression system


Insulator element

Oxidation element

Cooling element

Aerosol forming

Insulating medium

Tough membrane

Exit ports

Fire protection system Narada auxiliary system

Narada NEAP 160-144S consists of LFP battery, BMS, cooling system and packing case, with

advantages of: a. High specific energy (smaller and lighter); b. High cycle life; d. Ac


Why choose Narada Narada storage system

Our service

• Our initial meeting with customers shall

determine the level of service potential

• Personalized, broad and premium service,

with unique benefit for each customer

• For each vertical market and application,

customized services are offered to clients

• The service contract model will ensure that

our products will achieve clients’ objectives

• To provide the total electrical management

is key to the vertical market focus and drive

System

Planning

Maintenance

Upgrades

Project

Management

System

Integration

Electrical

Management

System

Planning

Metering

Planning


We have designed and deployed a number of renewable generation based energy solutions to many important markets in order to enable a CO2 neutral energy solution for our customers with an attractive CAPEX and OPEX value proposition

Our vision

Why choose Narada Narada storage system

Thanks!

Date post:	09-Jan-2017
Category:	Engineering
Upload:	walter-jin
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Narada active power solution

Engineering