Scope and characteristics The controller is a thyristor closed-loop trigger controller of a three-phase phase-controlled rectifier.
Suitable for three-phase bridge semi-control, three-phase bridge full control or double reverse star controllable rectifier circuit with balanced reactor (such as for electroplating, electrolysis, electro-oxidation, electromagnet, charging, motor excitation, etc. .
Equipped with two PI regulators for voltage and current that can realize the functions of voltage stabilization and current stabilization, and can realize two regulation modes: voltage limiting constant current or current limiting constant voltage. And has over-current and over-voltage protection, power-on blockade and soft start function. There are also isolated pulse transformers and power transformers. In particular, the phase sequence adaptive function eliminates the trouble of finding the phase sequence during debugging. In addition, there are open-loop and closed-loop transfer switches, which can achieve open-loop control without PI regulator, but the overcurrent protection function still works.
Main parameter trigger output: six-way double pulse train pulse width:> 1.6ms
Pulse peak:> 800mA
Various pulse unevenness: ≤1 °
Phase shift range: 0-170 °
Adjustment characteristics: (current and voltage double adjustment)
Constant current and constant pressure accuracy is better than 1%
Feedback signal input feedback voltage: DC 12V, internal resistance 6KΩ.
Feedback current: AC transformer 100mA, internal resistance 1Ω.
DC shunt 75mV, internal resistance 1KΩ.
Current sensor DC 5V, internal resistance 50K.
Input control signal: DC 0 ～ -10V or potentiometer Dimensions: 262X192X60mm
Machine weight: 1.2kg
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