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Home Page > Solutions > Low voltage static reactive compensation solution

Introduction to the scheme

The low voltage static power factor correction solution is mainly achieved by BGMD-MCR static filter compensation components, which is composed of the harmonic adjustment reactor and power capacitor. The reactance ratio of the harmonic adjustment reactor is optional between 5% and 14% and the controller is selected from BGMD-FR12-J series.

The filter compensation components can be classified into those with reactance ratio 7% and 14% according to the system characteristics and compensation requirements.

MCR filter compensation component series with the reactance ratio of 7% and tuning frequency of 189Hz can effectively suppress the harmonic pollutions for 5 times and above while providing reliable reactive compensation.

MCR filter compensation component series with the reactance ratio of 14% and tuning frequency of 134Hz can effectively suppress the harmonic pollutions for 3 times and above while providing reliable reactive compensation.

Application domain

Application scenarios

With the contactor as the switching component, this solution is mainly used in the power distribution system with small load fluctuations.

Compensation effect

The stable and reliable compensation system can meet the reactive compensation requirements in static conditions. Due to the use of the contactor with mechanical contact as the switching switch, there is certain surge and impact at the moment of switching.

Related case

Scheme selection如需更详细技术资料，请致电021-62603561

● Model selection table of BGMD-MCR three-phase static filter compensation components (reactor + capacitor)

System voltage 400V, reactance ratio 7%, tuning frequency 189Hz, suppression of harmonics for 5 times and 7 times; capacitor rated voltage UN=480;

Apply to the power distribution system with contactor switching and infrequent load changes;

Transformer capacity KVA	Recommended compensation capacity (kvar)	Component model	Group mode	Minimum cabinet size
200 KVA	75 KVAR	BGMD-MCR7-S-75/3-400V	25KVAR*3	8008002200
315 KVA	100 KVAR	BGMD-MCR7-S-100/4-400V	25KVAR*4	8008002200
400 KVA	125 KVAR	BGMD-MCR7-S-125/3-400V	25KVAR+50KVAR*2	8008002200
500 KVA	175 KVAR	BGMD-MCR7-S-175/4-400V	25KVAR+50KVAR*3	8008002200
630 KVA	200 KVAR	BGMD-MCR7-S-200/5-400V	25KVAR2+50KVAR3	8008002200
800 KVA	250 KVAR	BGMD-MCR7-S-250/6-400V	25KVAR2+50KVAR4	8008002200
1000 KVA	350 KVAR	BGMD-MCR7-S-350/5-400V	25KVAR2+50KVAR6	10008002200
1250 KVA	200 KVAR * 2	BGMD-MCR7-S-200/5-400V * 2	50KVAR*8	8008002200
1600 KVA	250 KVAR * 2	BGMD-MCR7-S-250/5-400V * 2	50KVAR*10	8008002200
2000 KVA	350 KVAR * 2	BGMD-MCR7-S-350/7-400V * 2	50KVAR*14	10008002200
2500 KVA	300 KVAR * 3	BGMD-MCR7-S-300/6-400V * 3	50KVAR*18	10008002200

System voltage 400V, reactance ratio 14%, tuning frequency 134Hz, suppression of harmonics for 3 times; capacitor rated voltage UN=525V;

Apply to the power distribution system with contactor switching and infrequent load changes;

Transformer capacity KVA	Recommended compensation capacity (kvar)	Component model	Group mode	Minimum cabinet size
200 KVA	75 KVAR	BGMD-MCR14-S-75/3-400V	25KVAR*3	8008002200
315 KVA	100 KVAR	BGMD-MCR14-S-100/4-400V	25KVAR*4	8008002200
400 KVA	125 KVAR	BGMD-MCR14-S-125/3-400V	25KVAR+50KVAR*2	8008002200
500 KVA	175 KVAR	BGMD-MCR14-S-175/4-400V	25KVAR+50KVAR*3	8008002200
630 KVA	200 KVAR	BGMD-MCR14-S-200/5-400V	25KVAR2+50KVAR3	8008002200
800 KVA	250 KVAR	BGMD-MCR14-S-250/6-400V	25KVAR2+50KVAR4	8008002200
1000 KVA	350 KVAR	BGMD-MCR14-S-350/5-400V	25KVAR2+50KVAR6	10008002200
1250 KVA	200 KVAR * 2	BGMD-MCR14-S-200/5-400V * 2	50KVAR*8	8008002200
1600 KVA	250 KVAR * 2	BGMD-MCR14-S-250/5-400V * 2	50KVAR*10	8008002200
2000 KVA	350 KVAR * 2	BGMD-MCR14-S-350/7-400V * 2	50KVAR*14	10008002200
2500 KVA	300 KVAR * 3	BGMD-MCR14-S-300/6-400V * 3	50KVAR*18	10008002200

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