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CY-D series low-voltage dynamic reactive power compensation device

Product > Reactive power compensation device > CY-D series low-voltage dynamic reactive power compensation device

CY-D series low-voltage dynamic reactive power compensation device

The CY-D series dynamic reactive power compensation device uses a thyristor as an angular free switch to quickly switch multi-stage capacitor banks without any transition process, overcoming the shortcomings of traditional reactive power compensation devices such as easily burnt contactor contacts, easily damaged capacitors, and low power factor.

Product Overview
The CY-D series dynamic reactive power compensation device uses a thyristor as an angular free switch to quickly switch multi-stage capacitor banks without any transition process, overcoming the shortcomings of traditional reactive power compensation devices such as easily burnt contactor contacts, easily damaged capacitors, and low power factor. It can achieve good compensation effects for various types of fast transient impact loads, The three-phase independent control technology used in this product has successfully solved the technical problem of dynamic reactive power compensation for three-phase unbalanced impact loads. The zero current input technology has overcome the technical problem of zero voltage input causing damage to the crystal transistor easily in harmonic environments. The CY-D series dynamic reactive power compensation device has a fast dynamic response speed (less than 20ms) and can dynamically compensate reactive power in real-time, achieving a power factor of over 0.95; This product can reduce voltage fluctuations and suppress voltage l to achieve energy saving and consumption reduction, and improve the utilization rate of power transmission and transformation equipment. Therefore, it is an updated product in the field of reactive power compensation.
Naming rules


Annotate:

1. Company code: Shiyi Electric Technology (Shanghai) Co., Ltd

2. Product code: Low voltage dynamic reactive power compensation device

3. Rated voltage: 400:400V/690:690V

4. Rated capacity: 400:400Kvar

5. Series reactance rate: 7:7%/14:14%


If the load is mainly composed of 5 or more harmonics, the reactance rate of the series reactor is 7%. If the load is mainly composed of 3 or more harmonics, the reactance rate of the series reactor is 14%.

Comparison of working principles and technical advantages

The dynamic reactive power compensation device, abbreviated as TSC, is a device that uses transistors and transistors to control the input and output of capacitors. In principle, TSC devices can be divided into zero voltage input type TSC and zero current input type TSC.

Technical Parameter



Machine Design Selection Table



Module Design Selection Table



Application occasions

Widely used in industries such as electricity, mechanical processing and manufacturing, rubber, metallurgy, automobiles, ports, oil fields, coal, chemicals, railways, etc.