The Power Quality Forum

Jan 29

Heavy Duty Harmonic Filter (low-voltage)

1 comment

 Product  2

TDS-GL type---Harmonic suppression and reactive power compensation device

 

l Application Scope

 Strong harmonic filtering ability, suitable for high harmonic site where need reactive power compensation

l Working Principle

 

l Main Feature

1) High linearity of reactor, linearity better than 0.1% from 0 to 20% overload

2) Heavy duty zero switching switch

3) Various protection function

  A)Voltage segmentation and inverse time protection

  B)Current segmentation and inverse time protection

  C)Capacitor temperature protection by sensor

D)Reactor temperature protection by sensor

4) Each phase current monitoring

5) Hanging mount type, seat mounting type, half-hook half-seat type. Very easy for installation

l Main Technical Data

1. Environmental conditions

1) Ambient temperature: -45~55°C

 2) Relative humidity: 40°C, 20~90%;

3) Altitude: ≤4500m.

2, power supply conditions

1) working voltage: power supply rated voltage ± 20%;

2) Power frequency: 48.5~51.5HZ;

3) Power consumption: <2W (when capacitor is removed)

3. Electrical safety Meet the requirements of GB/T15576 low-voltage complete reactive power compensation device

4, measurement error

1) voltage: ≤ 0.5% (in the range of 80 ~ 120% of the rated voltage of the power supply);

2) Current: ≤1% (in the range of 5% to 20% of rated current), ≤0.5% (in the range of 20% to 120% of rated current);

3) Temperature: ±1 °C.

5, protection error

1) voltage: ≤ 0.5%;

 2) current: ≤ 1.0%;

3) temperature: ± 1 ° C;

4) time: ± 0.01 s.

6, zero switching switch parameters

1) Zero switching offset: ≤1.8°;

2) Zero-injection shunt current: ≤ 2.5 times rated current;

3) Withstand voltage shock: ≥AC3500V (DC5000V);

4) Withstand current impact: ≥ 100 times rated current.

7, reactive power control parameters

 1) reactive power capacity ≤ 40Kvar

2) Online ≤ 32 units

3) Reactive capacity: single ≤ (40 + 40) kvar (three-phase), ≤ (20 + 20) kvar (spilt phase );

4) no controller: online ≤ 20 units; ) There are controllers: online ≤ 32 units (64 units).

5) Capacitor switching time: >10s;

 8. Reliability parameters

1) Control accuracy rate: 100%;

2) Switching allowable times: 1 million times;

3) Capacitor capacity running time decay rate: ≤1%/year;

4) Capacitor capacity switching attenuation rate: ≤ 0.1%/10,000 times;

 5) Annual failure rate: ≤0.1%.

Jan 29

Have you before and after data to show the effect on the LV supply Wulin? Looks like interesting work, it would be interesting to see the electrical issue and how your solution has improved the power quality of the supply. Great pictures, thank you for contributing.

Michael

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