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DEMO PROJECT

Two sets of 5MWh DC Block.
Supporting Microgrid's connection, island and black.

10.128 MWh Microgrid Project = Key Loads for Large Businesses and Parks
GRID
Networking
ISL
On the island.
BS
Black Start
LOAD
Critical load security
DEMO PROJECT TC-DEMO-PROJ-MG-10128
Total battery capacity 10.128 MWh
PCS Total Power 2.5 MW
✓
On-site acceptance status SAT PASSED

Project overview Multi-source Assets & Critical Load Priority

Composite photovoltaic, energy storage, diesel and public grid resources to support grid-connection, island-free, black-starting and restoration of grid-connected systems for critical, critical and general loads.

ESS
Energy Storage Systems 10.128 MWh / 2.5 MW
PV
Optical scale 2.8 MW
DG
Diesel generators 2.0 MW
L1
Critical load 1.2 MW

Structure of the System Single-line & Control Architecture

DC Block A
5.064 MWh

DC 1,500V

PCS-1
1.25 MW

AC 35 kV

Microgrid controller

Microgrid Controller

Protection & SCADA

Photovolt/ grid/ generator

Optical Array PV 2.8 MW
Municipal electricity Utility Grid
Stand-by generators Generator 2.0 MW

DC Block B
5.064 MWh

DC 1,500V

Critical load priority

P1
Control. 400 kW
P2
Production line 500 kW
P3
Office building 300 kW
P4
Public Load 200 kW

Run State Evolution State Transition Timeline

GRID
Networking Grid-connected
!
Power grid failure. Grid Fault
ISL
On the island. Islanded
BS
Black Start Black Start
RE
Reconnect Resynchronization

Load removal order

1 P4 Public facilities 200 kW
2 P3 Office building 300 kW
3 P2 Production line 500 kW

Black Start Restore

1 PCS Construction Pressure t + 8 min
2 Restoring critical load t + 12 min
3 P2 → P3 → P4 Gradual recovery 15–25 min

Communications and autonomous control Resilience & Autonomous Control

SCADA / EMS
Microgrid controller
PCS controller
BMS System
×

Local control

  • Frequency / voltage control
  • Power distribution
  • Protect Actions
  • Black Start Logic
  • Load priority restored.

Time Sync

GPS
PTP / NTP < 1 ms

Plant acceptance and site integration FAT & Field Integration

FAT Test

PCS Function Test
BMS & Battery Cluster Test
Protect and Link
Black Start Logic
Communications interface
Fault injection test.

Field integration

Equipment installation
System Integration
Electricity and relay inputs
On-site black-start test.
Operation tests on the island
Network restoration test

On-site acceptance and inspection results SAT Transfer & Punch-list

Test scene 18 Item
Critical load security 100% The island phase
Frequency deviation ±0.08 Hz On the island.
Pressure deviation ±1.2% 35kV bus
List of issues 0 Closed

Control room live. Control Room Evidence

Event Record

00:00:00 Networking
00:02:13 Power grid failure.
00:08:24 Island stability
00:18:37 Blackstart complete.
00:32:11 Reconnect

Operational strategy and delivery Operations & Delivery

Run Policy

PS
Peak-valley arbitrage Peak Shaving
RES
Renewable energy consumption Renewable Integration
SP
Backup power Spinning Reserve

Role Permissions

MA Administrator Admin
OP Operation Engineer
VW Watchman, Viewer.

Delivery documents

Line Chart
Single-line
FAT Report
SAT report
O&M Manual

Delivery completed

Complete system testing, on-site acceptance, running Training, power configuration and transfer of engineering information, and the system is officially in the long run.

Building more resilient energy systems

Large storage capacity Microgrid Critical load security