Microgrid energy storage PCS
Microgrid energy storage PCS

SP125HCPS Series Microgrid Energy Storage PCS

At a glance

Grid-forming microgrid PCS with 125% overload and 98.5% peak efficiency; optional built-in STS for <10 ms transfer; supports heterogeneous batteries and independent three-phase grid-tie control.

Key Features

  • Grid-forming inverter
  • 125% overload capability
  • Maximum efficiency 98.5%
  • Optional built-in STS (<10 ms switching)
  • Supports heterogeneous battery integration
  • Three-phase independent grid-tie control

Product Description

The SP125HCPS Series Microgrid Energy Storage PCS is suitable for scenarios such as small commercial and industrial facilities, island microgrids, farms, villas, and second-life battery utilization. The product features grid-forming inverter capability, 125% overload capacity, isolated air ducts, diesel generator hybrid operation, heterogeneous microgrid batteries, and independent three-phase grid-connected control. It supports parallel operation of multiple units and is available in two models: with built-in STS and without STS, enabling fast grid-connected/off-grid switching.

Specifications

ModelSP125HCPS / SP125HCPSS-CN (integrated STS)
Rated power (grid-tied)125 kVA / 125 kVA
Rated current (grid-tied)181 A / 181 A
Grid voltage400 V / 230 V, range -20% to +15%
Grid frequency50 Hz (47–52 Hz) or 60 Hz (57–62 Hz)
Rated output (off-grid)125 kVA / 125 kVA
Maximum output (off-grid)137.5 kVA / 137.5 kVA
Maximum output current (off-grid)200 A / 200 A
Maximum battery voltage950 V
Minimum battery voltage680 V
Rated battery voltage range680 V–900 V
Maximum battery current200 A / 200 A
Grid-tied/off-grid switching functionWithout STS / integrated STS (switching time <10 ms)
Installation methodRack-mounted
Maximum efficiency98.5%
Standby/no-load power consumptionStandby <15 W / no-load <200 W
Protection ratingIP20 (IP5X for core control section)
DimensionsSP125HCPS: W*L*H 440*720*200 mm; SP125HCPSS-CN: 440*720*220 mm
Weight<50 kg
Operating temperature-30 to 60 ℃ (derating above 45 ℃)
Humidity5–95%
Cooling methodIntelligent air cooling
Altitude4000 m (derating above 2000 m)
Power factor-1 to 1
Current harmonics<3% (above 30% load)
Output overloadload<1.1x continuous / 1.1x<load≤1.25x 100 s / 1.25x<load≤1.35x 20 s / 1.35x<load≤1.5x 300 ms / 1.5x<load 30 ms
Application scenariosCommercial and industrial energy storage + emergency backup power, PV-storage-diesel small microgrid, mobile energy storage, PV-storage charging station
Core featuresGrid-forming inverter, 125% overload, isolated air duct, diesel generator hybrid, heterogeneous microgrid batteries, independent three-phase grid connection

Product FAQ

What coupling modes does SP125HCPS support?

Both DC and AC coupling, with an optional built-in STS model for seamless grid-tie transfer.

What is the transfer time?

Less than 10ms, keeping critical loads uninterrupted.

What are typical applications?

Small-to-mid mining, island, village and commercial & industrial storage microgrids.

Not sure this is the right specification?

Send us your drawing, data sheet or sample and our engineers will confirm the match within 48 hours.

Request a Quote

Related downloads

Application Cases & Scenarios

View all →