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PCS Energy Storage Converter(Built-in Transformer 50~250kW)

PCS Energy Storage Converter(Built-in Transformer 50~250kW)

The GreenMore GM-LEG100K is an industrial-grade PCS energy storage converter with built-in isolation transformer, covering the power range from 50kW to 630kW across five models. It adopts a power frequency topology with high-performance DSP optimized control circuit, achieving up to 97.6% conversion efficiency with high power density design.

Designed by GreenMore for commercial, industrial, and utility-scale energy storage, the GM-LEG series supports both on-grid charging/discharging and off-grid independent inverter operation. AC/DC dual power supply backup, 100% three-phase unbalanced load tolerance, and cold start with load capability ensure reliable performance in demanding environments. Every GreenMore PCS is backed by a 3-year warranty and professional technical support.

  • Item No :

    GM-LEG100K
  • Payment :

    TT/LC
  • Product Origin :

    China
  • Custom Made :

    Yes
  • Shipping Port :

    Shanghai, Nanjing, Ningbo, Guangzhou, Shenzhen, etc.
  • Lead Time :

    20 days
  • Warranty :

    3 years
  • Product Details

Key Features

High efficiency power conversion with 97.6% peak performance
High Efficiency
Up to 97.6% conversion efficiency with high power density design, reducing energy loss across the full power range.
Wide battery compatibility and harsh environment support
Good Compatibility
500–850 V DC wide input, compatible with LFP, NMC, lead-carbon and lead-acid batteries.
Industrial-grade safe and reliable power conversion design
Safe & Reliable
Built-in isolation transformer with comprehensive DC/AC protection for mission-critical deployments.
Smart management with DSP control and remote monitoring
Smart Management
Touch LCD display with Ethernet/RS485/CAN for remote monitoring and automated dispatch.
Industrial-Grade Power Frequency Topology

Built-in isolation transformer delivers high power density and up to 97.6% efficiency. Stable operation in harsh environments including high altitude and extreme cold.

Dual Power Supply Redundancy

AC/DC dual power supply backup ensures uninterrupted control system power. High-performance DSP with optimized control circuit for superior reliability.

On-Grid & Off-Grid Dual Mode

Supports grid-connected charging/discharging and off-grid independent inverter. Optional seamless switching plus diesel engine integration for diverse scenarios.

Wide Battery Compatibility

500–850 V DC wide input supports multiple battery types. BMS via RS485 and CAN enables precise monitoring of SOC, temperature and cycle life.

100% Unbalanced Load & Cold Start

Handles 100% three-phase unbalanced load with strong impact resistance. Cold start with load ensures reliable operation after extended shutdowns.

Flexible Power Regulation

Independent reactive and active power regulation. Power factor adjustable from 0.99 leading to 0.99 lagging, meeting demanding grid code requirements.

Technical Specifications

Parameter GM-LEG50KT GM-LEG100KT GM-LEG250KT GM-LEG500KT GM-LEG630KT
DC Input
Maximum DC Voltage (V) 850
Operating Voltage Range (V) 500–850 500–850 500–850 500–850 630–850
AC Output (Grid-Connected)
Rated Output Power (kW) 50 100 250 500 630
Maximum Output Power (kVA) 55 110 275 550 693
Maximum Output Current (A) 79 159 397 794 1000
Rated Grid Voltage (V) 3W/N/PE, 400
Rated Grid Frequency (Hz) 50/60
Grid Frequency Range (Hz) 45–55 / 55–65
Power Factor >0.99
Power Factor Adjustable Range 0.99 (leading) ~ 0.99 (lagging)
THD <3% rated power
AC Output (Off-Grid)
Rated Output Power (kW) 50 100 250 500 630
Maximum Output Power (kVA) 55 110 275 555 693
Overload Capacity 110% long-term operation
Rated Output Voltage (V) 400
Rated Frequency (Hz) 50/60
AC Voltage Distortion Rate <3% (Linear load)
Unbalanced Load Capacity 100%
Protection
DC Overvoltage Protection Yes
DC Short Circuit Protection Yes
AC Overvoltage Protection Yes
Reverse Polarity Protection Yes
Module Temperature Protection Yes
General Parameters
Maximum Efficiency 96.0% 96.0% 97.0% 97.6% 97.6%
Isolation Transformer Yes
Protection Level IP20
Cooling Method Temperature controlled forced air cooling
Relative Humidity 0–95% non-condensing
Operating Temperature (°C) −30 to +55
Altitude (m) 3000
Standby Power Consumption (W) <50
Display Touch LCD
Dispatch Communication Ethernet, RS485
BMS Communication RS485, CAN
Communication Protocol Modbus-RTU/TCP
Reference Weight (kg) 650 750 1600 3000 3200
Dimensions W×D×H (mm) 1000×800×2015 1000×800×2015 1000×1050×2260 2100×1050×2260 2400×1050×2260

Updated on September 30, 2026

Application Scenarios

Industrial Peak Shaving

Built-in isolation transformer and 110% long-term overload capacity handle heavy, fluctuating industrial loads for demand management.

Commercial Energy Storage

Compact 50–250 kW models fit standard equipment rooms. IP20 protection and forced air cooling for malls, offices and data centers.

Renewable Energy Integration

Smooth solar/wind output fluctuations, reactive power compensation, and power factor adjustment (0.99 leading to 0.99 lagging) for grid compliance.

Microgrids & Remote Power

Manage solar/wind, battery and optional diesel backup as a unified system. Cold start with load and 100% unbalanced load for remote locations.

Telecom & Infrastructure

AC/DC dual power redundancy and seamless on-grid/off-grid switching protect sensitive equipment during grid disturbances.

FAQ

Q1: What power ratings does the GreenMore GM-LEG series cover?

The GreenMore GM-LEG series covers five models: 50 kW (GM-LEG50KT), 100 kW (GM-LEG100KT), 250 kW (GM-LEG250KT), 500 kW (GM-LEG500KT), and 630 kW (GM-LEG630KT), all with built-in isolation transformer.

Q2: Does the GreenMore PCS include a built-in isolation transformer?

Yes. All GreenMore GM-LEG models feature a built-in isolation transformer, providing galvanic isolation between DC and AC sides for enhanced safety and grid compatibility.

Q3: Can the GreenMore PCS operate in off-grid mode?

Yes. The GreenMore GM-LEG supports both on-grid charging/discharging and off-grid independent inverter operation. It also supports diesel engine integration and optional seamless switching between off-grid and on-grid modes.

Q4: What is the maximum efficiency of the GreenMore GM-LEG series?

The GreenMore GM-LEG500KT and GM-LEG630KT achieve up to 97.6% maximum efficiency. Smaller models (50 kW/100 kW) reach 96.0%, and the 250 kW model reaches 97.0%.

Q5: What battery types are compatible with the GreenMore PCS?

The GreenMore GM-LEG series supports a wide DC input voltage range (500–850 V) and is compatible with LiFePO4, lead-acid, and lead-carbon batteries. BMS communication via RS485 and CAN ensures precise monitoring.

Q6: Does GreenMore offer OEM/ODM customization for this PCS?

Yes. GreenMore provides full OEM/ODM support including communication protocol adaptation, battery compatibility configuration, system integration, and branding. All products are backed by a 3-year warranty and technical support from a team with industrial energy storage experience since 2017.

Safety & Quality Assurance

Comprehensive Protection

DC/AC overvoltage, DC short circuit, reverse polarity, and module temperature protection safeguard equipment under all operating conditions. Built-in isolation transformer provides galvanic isolation for personnel and equipment safety.

Grid Compliance

Compatible with international grid codes. Power factor adjustable from 0.99 leading to 0.99 lagging, THD <3% ensures clean grid integration across diverse utility standards.

Quality & Warranty

Produced under strict industrial-grade specifications with full testing before shipment. Backed by a 3-year warranty, remote monitoring via Touch LCD, and dedicated technical support since 2017.

Trusted Support: GreenMore provides a 3-year warranty, remote technical support, and on-site engineering assistance for all GM-LEG series PCS products.

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