Three-phase active power dynamic balance device

Aiming at the problems of unbalanced three-phase active power on the distribution network side and large neutral current, the developed active power balance device can balance the three-phase active power of the grid, eliminate the neutral current, increase the resistance of the transformer in the station area, and reduce the line loss. The device is connected in parallel in the low-voltage power grid of the station area, and adopts advanced power electronic technology to redistribute the three-phase active power of the grid without changing the total active power of the load, so as to realize the equal size of the active power and eliminate the neutral line. Current function, so as to achieve the purpose of reducing line loss and improving the utilization of lines and transformers.

1. Product features


■Main power supply voltage measurement: monitoring of over-voltage, under-voltage, power failure, and equal status;

■Backup power supply voltage measurement: monitoring of overvoltage, undervoltage, power failure, and equal status;

■Load current measurement: overcurrent, overload;

■Load residual current measurement: use with residual current transformer

■RS485 communication interface, Modbus-RTU communication protocol

■Standard rail installation: DIN35mm rail


2. Product advantages

■ Standard rail installation;

■Easy installation, simple wiring, convenient construction and simple debugging;



3. Technical Parameters

Parameter Index

Input voltage rating

AC 220V  

Input current rating

AC 5A

Measurement error

<5%

Power supply

DC 24V

Power consumption

<1W

Switch input

Two channels, passive input

Relay output

AC220V/5A,DC30V/5A

communication

RS485interface Modbus-RTUprotocol

Dielectric strength

2KV

Insulation resistance

≥ 50MΩ

MTBF

≥ 50000h

Working conditions

Ambient temperature:-10 ~ + 40℃  

Storage temperature:-50℃~ + 85℃

Relative humidity:5% ~ 95%,No condensation

Installation method

35mmStandard rail

Shape size

106mm*97.6mm*37mm

 

Shape size:106*97.6*37mm


Product model


1. Product features


■Main power supply voltage measurement: monitoring of over-voltage, under-voltage, power failure, and equal status;

■Backup power supply voltage measurement: monitoring of overvoltage, undervoltage, power failure, and equal status;

■Load current measurement: overcurrent, overload;

■Load residual current measurement: use with residual current transformer

■RS485 communication interface, Modbus-RTU communication protocol

■Standard rail installation: DIN35mm rail


2. Product advantages

■ Standard rail installation;

■Easy installation, simple wiring, convenient construction and simple debugging;



3. Technical Parameters

Parameter Index

Input voltage rating

AC 220V  

Input current rating

AC 5A

Measurement error

<5%

Power supply

DC 24V

Power consumption

<1W

Switch input

Two channels, passive input

Relay output

AC220V/5A,DC30V/5A

communication

RS485interface Modbus-RTUprotocol

Dielectric strength

2KV

Insulation resistance

≥ 50MΩ

MTBF

≥ 50000h

Working conditions

Ambient temperature:-10 ~ + 40℃  

Storage temperature:-50℃~ + 85℃

Relative humidity:5% ~ 95%,No condensation

Installation method

35mmStandard rail

Shape size

106mm*97.6mm*37mm

 

Shape size:106*97.6*37mm


Product model


Product application market
It is widely used to monitor the working power of fire-fighting electrical equipment in the fields of ships, agencies, chemicals, mines, schools, commercial buildings, factory workshops, bazaars, banks, and civil buildings.