ECO 30 kW / 64 kWh Grid-Connected Energy Storage System (Distribution Area Power Management – Three-Phase)

The ECO30kW/64kWh is an energy management and storage system designed by Changhong specifically for high-power three-phase load scenarios in distribution network substations. It has a rated output power of 30kW and is equipped with eight 8kWh battery modules, providing a total energy storage capacity of 64kWh. Featuring a 400V three-phase four-wire output, it boasts precise inter-phase control capabilities and can handle up to 100% three-phase unbalance. Its modular, split-design facilitates easy transportation and installation, making it ideal for applications such as industrial parks, large commercial buildings, and scenarios requiring three-phase unbalance compensation.

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Three-phase power supply design

400V/230V three-phase four-wire (3L/N/PE), specifically optimized for high-power three-phase loads in distribution areas.

30High-power output of kW

Rated current 43.5A, maximum bypass current 87A, suitable for medium-sized commercial and industrial loads.

64High-capacity energy storage

100Three-phase unbalance mitigation

Precise cross-phase control, suitable for extreme unbalanced loads.

Split design

Convenient for transportation and on-site installation, suitable for various substation environments.

String module architecture

Mixed use of old and new components, fault isolation, CAN/RS485/4G communication

ApplicationApplication Scenarios

Three-phase high-power load scenario in distribution network areas

Three-phase unbalance mitigation (power grid renovation in rural areas and urban villages)

Industrial Park Power Distribution (Peak-Shaving and Valley-Filling, Demand Management)

Daily household emergency backup power (basic power supply guarantee during power outages)

Small commercial/community hybrid power use/div>

Integrated Photovoltaic-Storage-Charging Power Station (Three-Phase)

ReferenceUse time reference

The above data were obtained by our internal laboratory under specific environmental conditions. Actual usage duration may vary depending on factors such as load type, ambient temperature, and battery condition; please refer to actual testing results for accurate information.

Use case	Battery life
Daily household use（Basic electricity usage such as lighting, refrigerators, routers, etc.	Approximately 12.8 hours
Small commercial (mixed electricity use for shops, offices, etc.)	About 3.2 hours
Full-load operation (30 kW rated output)	Approximately 2.13 hours

ParametersTechnical Parameters

Grid-connection parameters for communication

Parameter	Specifications
Rated output power	30kW
Rated current	43.5A
Maximum bypass current	87A
Rated grid voltage	400V/230V, 3L/N/PE (Three-phase)
Rated input frequency	50/60Hz
Power factor	-1~+1

Off-grid communication parameters

Parameter	Specifications
Off-grid voltage exchange	400V/230V, 3L/N/PE
Maximum apparent power output	1.25Times/100s

Battery parameters

Parameter	Specifications
Cell capacity	314Ah (LFP)
Module Nominal Capacity	25.6/8 kWh
Module topology/output voltage	DCDC Boost/400Vdc
Cycle life	6000Next (95% DO)D & EOL: 80% SOH)
Magnification	0.5P
Number of modules / Battery capacity	8One module / 64 kWh

System parameters

Parameter	Specifications
Communication method	CAN/RS485/4G
Fire protection system	Perfluorohexanone Fire Extinguishing
Cooling method	Forced air cooling
Operating temperature range	-25℃~55℃
Protection rating	IP54
Cabinet dimensions (width × height × depth)	<637×1990×680mm
Weight	<660kg
Working altitude	<4000m
Operating humidity range	5Approx. 95% RH (no condensation)
Noise	<65dB

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