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China KD Series Silicon Controlled Rectifier Power Supply - Trusted Suppliers & Factory Solutions
Product Features
It can be used: indoors, without corrosive gas, flammable gas, dust and explosive gas.
The transformer adopts three-phase five-column structure and six double reversed start rectifying circuits without balanced reactor, saving electricity about 10%.
The secondary side silicon controlled rectifier is adopted for voltage regulation.
The main transformer adopts bridge rectifier structure, which can ensure the whole machine to run at 100% full load for 24 hours continuously and has certain overload capacity.
The main control board adopts a full set of technology imported from Japan's SanRex, and has a high anti-interference trigger control system with strong anti-interference ability.
High control precision, good stability and reliable operation.
Perfect control and protection function: such as soft start, stabilized voltage/stabilized current as well as overheating, overcurrent, short circuit and default phase, etc.
RS485 interface or standard 4-20mA, 0-20mA, 0-10V and 0-5V computer signals can be provided.
The power supply has the functions of manual operation and automatic control.
Manual operation is touch screen operation, and the touch screen is installed on the control box. Relevant parameters such as current, voltage, working time and working curve can be preset on the touch screen and can be monitored.
Configure the remote control cable from the rectifier to the tank edge, and the length of the remote control cable for a single rectifier is 15m.
The material of the remote control box is made of ABS flame retardant and high temperature resistant materials, so as to prevent fire and corrosion.
Provide RS485 communication interface , communication protocol: MODBUS RTU.
Electrical Parameters
| Control mode | SCR system |
| AC output | Single phase 220V / 3 phase 380V |
| Output current | 0~100000A |
| Output voltage | 0~750V |
| Stabilized voltage precision | ±1% |
| Stabilized current precision | ±1% |
| Ripple | ≤5% |
| Efficiency | 85% |
| Power factor | 89% |
| Working temperature | 0~+40℃ |
| Humidity | ≤85% |
| Elevation | ≤1000 m |
Frequently Asked Questions (FAQ)
Q
What are the environmental requirements for installing this equipment?
The equipment is designed for indoor use. The installation environment must be free from corrosive gases, flammable gases, dust, and explosive gases.
Q
How energy-efficient is the main transformer structure?
It adopts a three-phase five-column structure and six double reversed start rectifying circuits without a balanced reactor, which helps save approximately 10% of electricity.
Q
Can the power supply run continuously under full load?
Yes, the main transformer uses a bridge rectifier structure that ensures the entire machine can run at 100% full load continuously for 24 hours, with a certain overload capacity.
Q
What control interfaces and protocols are supported for external communication?
The equipment provides an RS485 communication interface using the MODBUS RTU protocol. It can also receive standard computer signals including 4-20mA, 0-20mA, 0-10V, and 0-5V.
Q
What built-in protection features does the system have?
It features comprehensive protection systems including soft start, stabilized voltage/current control, and automatic protection against overheating, overcurrent, short circuits, and phase defaults.
Q
What are the electrical output limits and accuracy rates?
The system supports an output current range of 0~100000A and an output voltage range of 0~750V. Both stabilized voltage and stabilized current precisions are within ±1%, with a ripple factor of ≤5%.