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Voltage Stabilization 1.8 MVA Rectifier For Battery Energy Storage CE UL

Voltage Stabilization 1.8 MVA rectifier for battery energy storage

Overview
The situation of the project is as follows: Capacity of the power grid: 1.8 MVA, support time: 3 seconds, power grid: 380V/50HZ
The load is for motor, lighting and other food factories.
This plan aims to add a 2MWh battery energy storage system to cope with the impact of the voltage drop of the grid on the load.

Parameters

Model No.	GP-2MHW
AC Input
AC Access Method	3P3W(no transformer)
Rate Power	500kW
Rated Max Capacity	550kVA
Rated AC Input voltage	400V
AC Input Voltage Range(follow yours )	400V+10%(Follow yours)
AC Input Current	721A
Max Running Current	794A
Frequency	50HZ
Frequency range	47—51.5 (follow Yours)
THD	<3% at Rated Power
PF	>0.9
DC Capacitor
Rated Power	500kW
DC Voltage Range	580V—900V
Rated Running Current	880A
Voltage Accuracy	±1%
Current Accuracy	±2%
Protection
Low voltage riding through	yes
anti-island	yes
AC over current / short circuit protection	yes
AC over voltage / under voltage protection	yes
AC over frequency and under frequency protection	yes
Phase sequence error protection	yes
DC over current / short circuit protection	yes
DC over voltage / under voltage protection	yes
DC polarity reverse protection	yes
Over temperature protection	yes
Insulation detection	yes
Power module (IGBT) protection	yes
System
Max efficiency	0.987
Dimension(WHD)mm	1406mm1976mm650mm
N.W.	950kg
Altitude Permitted	2000m(＞2000m, with Derating)
IP Grade	IP20
Noise	<65dB
Environmental Humidity	－35℃~+45℃
Storage environment temperature	－40℃~+70℃
Cooling Method	Air Cooling
Relative Humidity Allowed	0—95%, No condensation
Communication Interface	Ethernet,RS485,CAN2.0
Others
Unbalanced carrying capacity	100%
Multi-machine parallel	Yes

Super capacitor assembly cabinet
In order to meet the battery energy storage requirements of 2MVA and 3s retention time, based on MCP supercapacitor modules, the module is composed of a series-parallel converter and a boost converter, a charge and discharge system, a maintenance discharge device, a busbar switching device, and a module monitoring system. Integrated super capacitor assembly cabinet.

Reference projects

Reference Project	Main sensitive process	Cause	Harm
Textile Factory	automatic textile system	System interference	When the voltage is below 90%, the factory feeder line is tripped and the operation is interrupted.
Milk Factory	milk production	System interference	When the voltage is less than 90%, it takes a long time to restart the drier motor, causing the untreated fresh milk to deteriorate.
Paper Factory	Paper making process (speed regulating motor)	Lightning	When the voltage is less than 90%, the motor is tripped, the operation interruption, and the loss of 140000 pounds per production
Chip Factory	Chip manufacturing	System interference	The voltage is less than 87% continuously for 0.12s or less than 90% continuously for 0.01s, it causes the chip destruction, and the direct loss of 1 million USD each time.