Condition:New
Type:Logic ICs
This small board can drive SCRs up to 150A
Single-phase phase-shifted SCR trigger board SCR-A,
Can be used for single-phase power 220V,
In the dual live wire 380V circuit,
Compatible with 100-400VAC
12VDC power supply
Small size, simple and convenient, no need distinguish fire live line
Can drive thyristor and product display:
1. General controllable rectification: suitable for electrolysis, electroplating, charging, controllable rectification devices.
2. Voltage regulation and phase shift: suitable for single-phase AC voltage regulation or rectification with resistance and inductive loads.
3. Chemical electrolysis: suitable for controllable rectifiers in chemical smelting and electroplating industries.
4. Charging and discharging: suitable for battery charging and discharging devices.
5. DC motor speed control: suitable for DC motor speed control device.
6. Generator excitation: suitable for synchronous motor excitation device.
7. Motor excitation: suitable for motor excitation device.
Wide application
1. Single phase shift voltage regulation
2. Two-phase dual live wire phase shift voltage regulation
3. Single-phase golden bridge half-controlled rectifier
4. Motor soft start
5. DC motor excitation
6. Single-phase motor fan speed regulation
7. Transformer primary and secondary side voltage regulation
? ? ? ?The single-phase thyristor trigger board is composed of the integrated trigger circuit, operational amplifier, pulse transformer and other units produced by our company. Isolation of input and output, can be used with various automation instruments, without interference to the instrument, can also be manually controlled by an external potentiometer, it is widely used in control systems that require continuous and smooth load adjustment, high control accuracy or do not allow high current impact. Such as AC and DC motor speed regulation, voltage regulation, charging, etc. It is mainly used for single-phase pure resistive load, single-phase inductive load or primary side control of transformer, such as silicon carbide rod, silicon molybdenum rod, resistance wire, etc. It can also be used for single-phase or two-phase full-bridge semi-controlled rectification, with reliable triggering , The work is stable, the advantages of flexible use.
Product performance parameters
1. The trigger waveform is symmetrical, the control accuracy is ≤5%, the input to the output linearization is high, the interference ability is strong, and the work is stable.
2. Directly trigger the thyristor below 150A.
3. Various control signals: potentiometer (10K), DC1-5V, DC0-10V, DC4-20mA.
4. Regardless of the fire neutral line, phase shifting voltage regulation, semi-controlled rectification and full compatibility, simple wiring and convenient maintenance.
5. The main circuit and the control circuit are fully isolated, safe and reliable.
6.Frequency: compatible with 50-60HZ.
7. The spraying three-proof paint has a transparent protective film, which has superior moisture, dust and corrosion resistance.
8. On-board power supply 12VDC, can be used for 110V-380V wide voltage, please specify if it is less than 110V.
Simple troubleshooting (100% test before leaving the factory)
1. The power indicator does not light, and the power supply 12VDC may not be supplied
2. Trigger the G pin without output, first confirm whether the load is connected, it is impossible to test if the load is not connected, this board is based on the principle of phase shifting, and it will not work if there is no loop. If you want to debug: you can connect a 100W ordinary light bulb and do it Small load debugging.
3. The output of analog signal (4-20MA, 0-10V, 1-5V) is not adjustable. First confirm whether the load is connected. You can't try without the load. You can use the 10K potentiometer to debug manually, and check after it is normal. Is it an analog signal source?
4. The thyristor is not output. Make sure that the other wires are connected properly. Check whether K1 G1 K2 G2 L1 L2 is connected incorrectly. Note that GK cannot be reversed. L1 L2 is the synchronous detection line, regardless of the fire zero line.
