High Energy Efficiency Three-Phase Power Regulator adopts OLED liquid crystal display technology and a user-friendly UI (User Interface) human-machine interface. With a modular design, on-site maintenance and replacement are extremely convenient. Its high reliability and heat dissipation technology ensure the product's stability during long-term operation.
This product is widely applicable to electric heating control. High Energy Efficiency Three-Phase Power Regulator can adapt to the heating control of resistive loads, silicon carbide rods, silicon molybdenum rods, quartz lamps, graphite loads, and inductive transformer loads, serving as an excellent execution unit for temperature control. It is extensively used in industries such as petroleum, chemicals, pharmaceuticals, glass manufacturing, metal heat treatment, and smelting.
High Energy Efficiency Three-Phase Power Regulator is equipped with an intelligent online distribution function, which can reduce the impact on the power grid. It comes with a standard MODBUS RTU interface, MODBUS TCP communication protocol, and an optional PROFIBUS DP bus interface.
Features
Equipped with a power-on soft start function, with the soft start time configurable from 0 to 360 seconds. It also has a soft shutdown function.
Comes with a standard MODBUS RTU interface, MODBUS TCP communication protocol, and an optional PROFIBUS DP bus interface to enable DCS fieldbus control.
Integrates SCR overtemperature detection, power phase failure protection, and precise current transformer-based current limiting and overcurrent protection. It also features an emergency stop function for faults.
Load operating voltage range: 100-690V.
Supports 2 channels of DO (Digital Output) and 4 channels of DI (Digital Input).
Adopts linear program control with no output temperature drift. A dedicated anti-interference CPU is used to ensure system reliability.
The device uses a flame-retardant ABS shell and flame-retardant internal components to enhance safety factors.
Utilizes a 12-bit AD converter to achieve more precise adjustment.
Has a digital/OLED display function that can show voltage, current, alarm codes, etc., and supports local parameter setting.
Features an online distribution function, which enables intelligent networked distribution control to reduce impact on the power grid and improve power factor.
Offers an optional transmission output function with multiple transmission types available.
Automatically adapts to the main power frequency, with a frequency range of 47-63Hz.
Can be widely used in various working environments with unstable generator frequency to ensure system safety and reliability.
Control Signals
Standard signal inputs including 4-20mA, 0-10mA, 0-5V, 0-10V, 1-5V, 2-10V, and PWM.
Control Methods
Integrated technology of voltage regulation phase-shifting and zero-crossing cycle power regulation. It can realize closed-loop control such as constant current, constant voltage, and constant power, and is also applicable to dual-closed-loop three-phase rectified DC power supplies, electrolysis power supplies, and electroplating power supplies.
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; various DC power supplies, electrolysis power supplies, and electroplating power supplies
Protection System
Fast fuse protection, precise current transformer protection, phase failure protection, overvoltage protection, overtemperature protection, etc.
Communication
Standard MODBUS RTU communication
MODBUS TCP communication protocol
Standard PROFIBUS DP communication
Alarms
Phase failure alarm, overvoltage/overcurrent alarm, overtemperature alarm, etc.
Cooling Methods
1
Self-cooling
2
Air cooling
3
Air cooling or water cooling
Other Detailed Parameters
| Input Impedance | 120Ω (for 4-20mA input mode) |
| Soft Start Time Range | Adjustable range of 0-60 seconds |
| Output Voltage Control Range | 0.00-0.98 of the input voltage |
| Adjustment Output Resolution | 0.2° |
| Protection Action Time | < 20ms |
| Relay Contact Rating | 250V AC 2A |
| External Voltage Control Function | Voltage adjustment (internal) / 0.00-1.00 |
| 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 0.20-1.10 |
| Overcurrent Protection System | Electronic-type protection |
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