JD series three-phase power controller used for voltage and power regulate

Control signal input

4-20mA, 0-10mA, 0-5V, 0-10V, 1-5V, 2-10V, PWM, manual potentiometer adjustment, panel key control and other signal input

control mode

The integrated technology of voltage regulation phase shifting and zero-crossing cycle power regulation can realize closed-loop control of constant current, constant voltage and constant power, double closed-loop three-phase rectifier DC power supply, electrolytic power supply and electroplating power supply.

load

Rated voltage range: 220V, 380V, 440V, 660V, 1140V

Suitable load types: all kinds of pure resistive load and various inductive load, IR infrared lamp and other loads. Various DC power supply, electrolytic power supply and electroplating power supply

Load connection mode: three-phase star neutral point non-zero connection 3S, three-phase star neutral point zero 4S, three-phase triangle connection 3D, three-phase inner triangle connection 6D

protection system

Fast melt protection, precision current transformer protection, phase loss protection, over voltage protection, over temperature protection, etc.

communication(optional)

Standard MODBUS RTU communication

Standard PROFIBUS DP communication

Cooling mode

10A-30A self cooling

50A-1200A air cooling

1000A-3000A air cooling or water cooling

Other detailed parameters

JD series power regulators adopt German imported Siemenkang thyristor, support multiple control signal types, support MODBUS communication, integrate multiple protection and alarm systems, through precise control of voltage, current and power, thus realize the precise regulation of load. The product uses high-speed microprocessor technology and advanced energy-saving algorithm to make the product more energy-saving and environmental protection.

Input impedance: 120 ohm (4-20mA input mode)

Slow start time range: adjustable range 0-60 seconds.

Output voltage control range: input voltage 0-98%

Adjust output resolution: 0.2 degrees.

Three phase trigger Unbalance: less than 0.6 degrees.

Phase discrimination: automatic discrimination of R-S-T three phase voltage

Protection action time:<20ms

Relay contact capacity: 250V AC 2A

External voltage control function: voltage regulation (internal) / 0-100%

Insulation impedance: minimum 20 M 500V DC

Insulator strength: 2000V AC 1 minutes (220V) 2500V AC 1 minutes (380V)

Materials and external coatings: cold rolled steel sheet and electrophoretic spray treatment

Current limiting function: adjusting range 20-110%

Over current protection system: electronic type protection