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DC Block 1
5.064MWh
DC Block 2
5.064MWh
DC Block 3
5.064MWh
DC Block 4
5.064MWh
PCS 1–2
PCS 3–4
Control building

With four standard DC Blocks,
Construction of 20,256 MWh grid side energy field Station

DEMO PROJECT
TC-DEMO-PROJ-GS-20256
E
Total capacity 20.256MWh
P
Power 5MW / 5MVA
35
Grid-connection voltage 35kV
RUN
Status COMMISSIONING

01 Total site plane and partition

DC Block 1 5.064MWh DC Block 2 5.064MWh PCS 1–2 DC Block 3 5.064MWh DC Block 4 5.064MWh PCS 3–4 35kV pressure station Control / EMS N About 160 m Approximately 130 m

02 5MW Power Link

CELL
Cell 1P416S
ESS
Batteries 5.064MWh
DC
DC remittance cabinet
PCS
PCS 2.5MW
TX
step-up transformer 0.69 / 35kV
SW
35kV switchboard
GRID
Grid Connection Status

03 35kV Access Point One System Chart Line Chart

Grid Connection Status 35kV 35kV Breaker M Measurement cabinet 35kV PT/CT Isolation switch. step-up transformer 0.69 / 35kV PCS 1 2.5MW PCS 2 2.5MW DC Block 1   5.064MWh DC Block 2   5.064MWh DC Block 3   5.064MWh DC Block 4   5.064MWh 35kV pressure side 0.69kV side

04 AGC/AVC Coordinated Control Closed Loop Multiple Blocks

Network AGC/AVC command
→
EMS Calculation and Distribution
Block Optimizing Schedule
→
PCS Response Execution
Power Tracking
Block 1 ONLINE Modifiable 1,210 kW SOC 52.3% Temperature 28.1°C
Block 2 ONLINE modifiable power 1,310 kW SOC 51.8% Temperature 25.7°C
Block 3 ONLINE Modifiable 1,220 kW SOC 51.8% Temperature 26.4°C
Block 4 ONLINE modifiable power 1,330 kW SOC 51.6% Temperature 26.0°C

Command and Response Curve (DEMO)

P-Q Capability Curve (35kV, 2.5MVA/PCS)

Quick Response (Step: 0-5 MW)

SOC Balance (4 Block)

Electrical Quality (netted points)

Item Actual
THD 1.42%
THD 1.78%
Power factor 0.997
Frequency deviation ±0.01 Hz

06 Block Segregation and Capability Operations Policy DEMO scene

Functioning (4/4)

Block 1 5.064MWh
Block 2 5.064MWh
Block 3 5.064MWh
Block 4 5.064MWh
Available capacity 5.0 MW

Block 2 Fault isolation (3/4)

Block 1 Available
Block 2 segregated
Block 3 Available
Block 4 Available
Available Power 3.75 MW(75%)

Block 3 overhaul (3/4)

Block 1 Available
Block 2 Available
Block 3 Inspection
Block 4 Available
Available Power 3.75 MW(75%)

Single Block Supply (1/4)

Block 1 Available
Block 2 Fault
Block 3 Fault
Block 4 Fault
Substrate Power 1.25 MW(25%)

07 Project implementation process

Normal FAT

Transport

Reload.

Site installation

Debug

Networking

Protection and control

  • PCS Multilayer Protection
  • DC side relay protection
  • AC Side Stream / Overpressure
  • Fault classification

Measurement and settlement

  • Double-direction measurement
  • 0.2S level of electrical energy measurement
  • Powerful / Powerless
  • Day/ Month/Year Report

Surveillance and Communications (SCADA)

  • Station control: EMS + SCADA
  • Communication Protocols: IEC 61850
  • Communications network: bicyclic fibre-optic
  • Sample period: 100 ms

Time Sync

  • GPS / Beidou time
  • PTP(IEEE 1588v2)
  • Time precision ≤ 1 ms

Single-electric protection cooperation

  • Superior protection / Station protection
  • Layer Action Time
  • Protect Selective Authentication

08 Debug and connect Multi Block Unified Monitoring

Total Power (MW) 4.98
Current electricity (MWH) 3.46
Average SOC (%) 51.9
Mean temperature (°C) 26.2
Block Capacity Status Power SOC Temperature
Block 1 5.064MWh ONLINE 1.28MW 52.3% 26.1°C
Block 2 5.064MWh ONLINE 1.31MW 51.8% 25.7°C
Block 3 5.064MWh ONLINE 1.25MW 52.0% 26.4°C
Block 4 5.064MWh ONLINE 1.14MW 51.6% 25.8°C

Event sequence record (SOE)

10:00:12 Interconnect the switch. Berhasil
10:00:13 PCS Start Berhasil
10:00:30 Network stability &Normal
10:02:35 AGC Access &Normal
10:03:10 5MW Command Tracking &Normal

Problem closed loop (DEMO)

03-17 PCS start parameters Low Closed
03-17 Battery temperature differential Medium Closed
03-18 Communications dithering Low Closed
03-18 Station-controlled connection optimization Low Closed

20.256 MWh grid side energy field Station
Stability... efficiency... intelligence... trust.

TIANCHU has the engineering capacity to assist in the high-quality development of the grid side storage.

Delivery kit (DEMO)

DWG
Interface drawings DWG / PDF
BOM
List of equipment BOM
FAT
Debug Report PDF
PRO
Relay Protection PDF
SOE
SOE Records CSV
SET
Protect set value SET
CAL
Measurement calibration certificate PDF
O&M
Operations manual PDF