PIS thyristor contactless switching switch

The PIS intelligent thyristor contactless switching switch utilizes the rapid conduction characteristic of thyristors for precise phase separation control. It quickly conducts and closes when the voltage crosses zero point, and automatically determines and opens when the current crosses zero point. Whether the controlled equipment is inductive, capacitive or purely resistive, there is no impact on the power grid when it is closed, and the service life of the switch is greatly extended.
It adopts a dedicated intelligent communication component, eliminating the need for secondary wiring. The network cable can be directly plugged in for connection, automatically forming a network for recognition, and the switch operation data is intuitive and visible.
Execution standard: GB/T 29312-2022 "Low-voltage Reactive Power Compensation Switching Device" GB/T 14048.4-2020 "Low-Voltage Switchgear and Controlgear"

mechanical parameter

◆ Adopting a safety system design with super strong anti-interference ability to ensure normal operation in a strong electromagnetic interference environment;

Equipped with automotive-grade smart chips, it operates at a high frequency of 24MHZ, featuring fast analysis and computing speed, and multiple tasks can be completed instantly.

◆ Isolated pulse triggering mode, high-frequency high-amplitude strong triggering, ensuring rapid and deep conduction of thyristors;

◆ LCR buffer network, protecting the safe operation of thyristors;

Customize the appropriate thyristor module to withstand the peak-to-peak voltage value after capacitor removal, and select the appropriate dv/dt and di/dt parameters to ensure the reliable operation of thyristors under harsh working conditions;

◆ DC fan heat dissipation, variable speed regulation, automatic adjustment according to different requirements of heat dissipation power, reliable heat dissipation and extended service life;

◆ Real-time collection of operating current (optional) and switch temperature, and realization of over-limit protection;

◆ Precise zero-crossing switching, zero-voltage closing, zero-current opening, control inrush current ≤ 2.5 times In;

◆ Contactless rapid action, precise tracking compensation, and stable power factor.

◆ Network cable interconnection, automatic networking with the controller, data exchange, and transparent and traceable operation status.

• Usage environment

◆ Ambient temperature: -25℃ to +40℃;

◆ Relative humidity: ≤ 90% at 25℃;

◆ Atmospheric pressure: 79.5-106.0Kpa;

◆ Altitude: ≤ 2000m;

◆ Surrounding space: There should be no flammable or explosive media, no conductive dust or corrosive gases.

• Technical Parameters

Working power supply

◆ Rated voltage: 400VAC(Special voltages such as 200V, 690V can be customized;)

◆ Allowable deviation: ±15%

◆ Working frequency: 50 Hz±5% sine wave;

◆ Power consumption: ≤ 3VA;

Measurement error

◆ Current: ≤ 1.0%

◆ Frequency: ≤ 0.01;

◆ Temperature: ±1℃;

Response time

◆ Dynamic response time: ≤ 20mS;

◆ Switching locking time: ≤ 0-30 seconds;

◆ Switching and locking time: ≤ 0-180 seconds;

Insulation protection

◆ Once with the casing: AC2500V lasts for 1 minute. There should be no breakdown or flashover.

◆ Primary and secondary: AC2500V lasts for 1 minute, and there should be no breakdown or flashover.

◆ Secondary and casing: AC2500V for 1 minute, no breakdown or flashover should occur;

◆ Safety protection grade: IP30.