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Overview:


The ST35 Three-Phase Rectifier Thyristor Trigger Board uses a high-performance industrial-grade 32-bit microprocessor, specifically designed for forward and reverse voltage regulation for loads in reverse situations. It is designed with high digital safety standards and supports remote network control and on-site control methods. It integrates Fuzzy-PID parameter adjustment, open-loop voltage adjustment, closed-loop constant voltage, and constant current adjustment methods into one system, controlling the thyristor to achieve constant voltage current limit or constant current voltage limit.

Features:


The ST35 Three-Phase Rectifier Thyristor Trigger Board uses a high-performance industrial-grade 32-bit microprocessor, specifically designed for forward and reverse voltage regulation for loads in both directions. One group is used as a three-phase bridge for forward output, while the other group serves as a three-phase bridge for reverse output. It supports remote network control and on-site control methods, integrates Fuzzy-PID parameter adjustment, and combines three adjustment methods: open-loop voltage adjustment, closed-loop constant voltage, and constant current adjustment. The thyristor control achieves constant voltage with a current limit or constant current with a voltage limit. The interface parameters and fault alarms are displayed on an LCD screen or Chinese menu on a touch screen, with settings automatically stored. The control board includes functions such as phase loss protection, soft start upon power-up, soft stop, constant current output, constant voltage output, overvoltage protection, overcurrent protection, short-circuit protection, and working status reporting. It features fully controlled three-phase bridge rectification and an anti-parallel AC thyristor triggering mode, capable of triggering thyristors under 5000A. It is suitable for resistive loads, inductive loads, capacitive loads, and transformer primary loads for voltage and current regulation in various industrial fields. It is widely used in electroplating, electrolysis, charging and discharging power supplies, and other equipment.

Technical Specifications:

  • Operating Power Supply: 220 / 380Vac ± 15% 50 / 60Hz
  • Main Circuit Operating Voltage: 380 / 660Vac ± 15% 50 / 60Hz
  • Voltage Adjustment Range: 0 ~ Full Scale
  • Current Adjustment Range: 0 ~ Full Scale
  • Display Mode: Chinese Menu on LCD Screen
  • Phase Shift Range: 0 ~ 178°
  • Adjustment Output Resolution: 1/4000
  • Stability Accuracy: Better than ± 1%
  • Trigger Current: ≥ 750mA
  • Trigger Power: ≤ 5000A DC Thyristor
  • PID Dynamic Response Time: ≤ 50ms
  • Deviation: ≤ 10%
  • Input Signal: DC 0-5V, DC 0-10V, 0-10mA, 4-20mA, 10K Potentiometer Adjustment
  • Three-Phase Trigger Imbalance: ≤ 0.3°
  • Applicable Load: Capacitive and transformer primary loads, among others.
  • Indoor Installation: No flammable, explosive, corrosive gases, no conductive dust, vibration below 0.5G, altitude below 3000 meters. If exceeding 3000 meters, the power level should be appropriately reduced.
  • Dimensions: 240 x 160 x 50mm
  • Cutout Dimensions: 225 x 145mm
  • Weight: 1.3KG

Product Compliance Standards:

  • IEC60947-4-2: Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor starters. AC semiconductor motor controllers and starters.
  • GB14048.6-1998: Low-voltage switchgear and controlgear - Part 4-2: Contactors and motor starters. AC semiconductor motor controllers and starters.
  • GB3797-89: Electronic Control Equipment - Part 2: Electronic Control Equipment with Electronic Devices.
  • IEC61000-4: Electromagnetic Compatibility Measurement, Testing, and Techniques.
  • IEC65: Safety of Household and Similar Electrical Appliances and Equipment Powered by the Mains Supply.

Related Accessories and Products:

  • STP30 Constant Voltage Feedback Circuit
  • STP10 RC Snubber Circuit
  • STP22 Trigger Expansion Module
  • STP01 Display Operation Module
  • SFP30 High Voltage Acquisition Module

ST35 forward and reverse control thyristor trigger circuit

$0.00Price
  • SINEPOWER

TRUNG KIÊN TECHNOLOGY INVESTMENT AND DEVELOPMENT JOINT STOCK COMPANY
 

Business Registration Certificate Number: 0201033460 issued on 07/01/2010
Place of Issue: Hai Phong Department of Planning and Investment. Company Headquarters: No. 6/68- Cái Tắt - An Đồng - An Dương - Hai Phong.
Tel: +84-02253.856264

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