Three-level NPC
DC level and power mix
CORE TECHNOLOGIES
PCS power conversion
Bidirectional conversion, grid control, and multi-PCS coordination capabilities.
PCS POWER CONVERSION TECHNOLOGY
Between the battery and the grid,
Achieving controlled, efficient and stable two-way power conversion
TIANCHU PCS Two-way Power Corporation System, which connects the direct side of the storage to the safety of the communication grid, supports grid-connecting, off-griding, black-starting and large energy storage systems through efficient power transformation, rapid dynamic response and network control.
From the core to the grid.
A direct energy and information channel.
Battery storage BESS
DC/DC DC power regulation
Power module HF power units
DC bus DC Link
Reverse Bridge IGBT / SiC
Communication filter LCL Filter
Network / Load Grid / Load
Power Channel
Control channel
Feedback Channel
Protect the tunnel.
System architecture: high power density and maintenance
Taku.
Three flats. Low switch losses and efficiency
Mod
Modular Power Unit Standard modules, rapid replacement
Cold
Liquid cooling / air cooling optional Meeting different environmental needs
Protect
IP55 Protection Adaptation to complex industrial environments
Good.
High density power module IGBT / SiC Power Device
Mother
DC busbar optimization Low electrical sense and low wear
Drive!
Control and driver redundancy Independent protection and rapid response
Liquid
Liquid cooling and dispersing system Control of efficient average temperature and decrease
High-quality transformation from pulse to sine
→
HF PWM Modem
Modified to generate high-frequency pulse sequences
→
LCL Filter Output
HF rhythm inhibition
→
Network voltage
High-quality sine waves
Performance Panorama: efficiency, incompetence and weak web capabilities
Efficiency Map
P-Q Capability Curve
Control policy: / Network / Island
Call.
Networking.
Grid-Following
PLL Sync
Fluid loop control
PLL Sync
Fluid loop control
Structure
Network
Grid-Forming
Power control
Frequency and voltage Stabilization
Power control
Frequency and voltage Stabilization
Island
On the island.
Islanding
Black Start
Independent power supply
Black Start
Independent power supply
Electric Quality: Low Harm wave, high power factor
THD
Status quo
≤2.0%
Power factor PF
0.5L–1.0L
PF ≥0.99
Three-phase imbalance
Steady state
<1.5%
Dynamic response
50% Load step leap
<20 ms
Thermal Management and Decline Curve
Protection system: multi-layered, secure control
Press.
Overcrowded protection Master Overpressure / Unpressure / Wave
Stream
Overcurrent protection Short circuits, overload, overflow rapid protection
Mod
Module level protection Driving anomaly, device overheating
Hard
Hardware level protection IGBT off, DESAT protection
Multi-PCS Convergence and Coordination: Extending Larger
PCS #1 … PCS #N
PCS #1
PCS #2
PCS #N
Control and coordination
- Power / Powerless Dynamic Distribution
- Interrupt and connect system circulation
- Frequency / Pressure Unified Tracking
- Multi-Sync and Fluorine Control
- Unit failure fast-separated.
- The rest of the crew continues to function after the failure.
Certification system: From simulation to full power validation
Simulation and Semi-Purpose HIL
- Control Model Simulation
- Fault injection test.
- HIL closed loop authentication
Power lab
- Network simulator
- Full Verification
- Long-term stability test
Full Power Verification
- Rating power test
- Long run test
- Protect and Offline Authentication
Project output to deliver
Effect
Efficiency
Peak efficiency 99.02%
Reliab
Very reliable.
MTBF > 300,000 h
Come on.
Quick Response
Dynamic Response & lt; 20 ms
Quality
High power quality
THD ≤2.0%
Env
Wide environmental adaptation
-15°C ～ 50°C
All
The whole scene fit.
Network / Offline / Blackstart