3PH Precise Voltage & Power Controller is a digital electrical power control instrument based on power semiconductor modules (thyristors) and centered on digital processor technology. It is abbreviated as a voltage and power regulator. Owing to the adoption of phase-shifting control and cycle control technologies, the product features the prominent characteristic of intelligent integrated voltage and power regulation.
3PH Precise Voltage & Power Controller achieves load regulation by controlling voltage, current, and power. It adopts high-speed microprocessor technology and, with the assistance of energy-saving algorithms, becomes more energy-efficient and environmentally friendly.
Load
Rated Voltage Range of Load:
220V, 380V, 440V, 660V, 1140V
Applicable Load Types
Various pure resistive loads, various inductive loads, IR infrared lamps, and other loads.
Load Wiring Modes
Three-phase star connection with ungrounded neutral (3S), three-phase star connection with grounded neutral (4S), three-phase delta connection (3D), three-phase internal delta connection (6D)
Control Signal Input
Automatic control signals (such as from PLC or temperature controller):
Optional signal inputs including 4-20mA, 0-10mA, 0-5V, 0-10V, 1-5V, 2-10V, and PWM.
Manual panel button adjustment
Manual potentiometer adjustment
01
Control Method
Integrated technology of voltage regulation phase-shifting and zero-crossing cycle power regulation, enabling closed-loop control such as constant current, constant voltage, and constant power.
02
Protection System
Fast fuse protection, current transformer protection, phase failure protection, overvoltage protection, overtemperature protection, etc.
03
Communication
Standard MODBUS RTU communication
04
Cooling Method
Air cooling
05
Other Detailed Parameters
The JT3000 series power regulator supports multiple types of control signals and MODBUS communication, and integrates various protection and alarm systems. It realizes load regulation by controlling voltage, current, and power. The product utilizes high-speed microprocessor technology and advanced energy-saving algorithms, making it more energy-efficient and environmentally friendly.
| Input Impedance | 120Ω (for 4-20mA input mode) |
| Soft Start Time Range | Adjustable range of 0-60 seconds |
| Output Voltage Control Range | 0-98% of the input voltage |
| Adjustment Output Resolution | 0.2° |
| Three-Phase Trigger Imbalance | ≤ 0.6° |
| Phase Discrimination | Automatic discrimination of R-S-T three-phase voltages |
| Protection Action Time | < 20ms |
| Relay Contact Rating | 250V AC 2A |
| External Voltage Control Function | Voltage adjustment (internal) / 0-100% |
| Insulation Resistance | 20 MΩ at 500V DC |
| Dielectric Strength | 2000V AC for 1 minute (for 220V models); 2500V AC for 1 minute (for 380V models) |
| Material & External Coating | Cold-rolled steel plate with electrophoretic coating treatment |
| Current Limiting Function | Adjustment range of 20-110% |
| Overcurrent Protection System | Electronic-type protection |
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