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GGJ low-voltage switchgear
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GGJ low-voltage switchgear

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product description:

GGJ-type automatic power compensation for industrial and mining enterprises and residential exchanges 50Hz, three-phase 380V, 100KVA-1000KVA transformer capacity of the power distribution system, as reactive power compensation purposes. GGJ is a low-voltage distribution screen with the GGD supporting the use of. According to the demand for reactive power compensation in the power grid within the interval of 10-120S automatic control grouping sub-4-12 group (step) into or out of the grid in order to achieve automatic reactive power compensation, stable supply voltage quality , Reduce transmission and distribution system and transformer losses, to achieve energy-saving power supply to improve the quality of the purpose of the grid.

 

Use of environmental conditions

1. Ambient temperature is not higher than +40 ℃, not lower than -5 ℃.

2. Product installation and use, the use of the altitude of not more than 2000M.

3. The ambient air relative humidity is not more than 90% (+25 ℃).

4. Equipment should be installed in the absence of severe vibration and shock, as well as the lack of electrical components subject to corrosion of the place.

5. The ambient air relative humidity at maximum temperature of 40 degrees when not more than 5%, at lower temperatures allow a greater relative temperature, should be taken into account as a result of temperature changes may occur accidentally the impact of condensation.

6. Equipment installed in the absence of severe vibration and shock, as well as the lack of electrical components subject to corrosion of the place

 

Technical Parameters:

Rated voltage: 380VAC 3 ~; Rated insulation voltage: 660VAC 3 ~;

Rated frequency: 50HZ;

Compensation: three-phase compensation and single-phase compensation combined.

Compensation capacity: 420kvar ~ 60kvar.

Compensation: loop switching, coding switching, fuzzy control automatic switching.

The fastest response time: ≤ 20ms;

Cabinet height: 2000mm, 2200mm;

Width: 600,800,1000,1200mm;

Thickness: 600,800,1000mm;

Protection class: IP30.

 

Features

Using Hi19-type switching contactor for the switching element, the control capacitor into the surge problem.

High precision: the data sampling measurement using true RMS, voltage and current measurement accuracy of 0.5, power factor, power, energy measurement accuracy of 1.0.

Flexible group compensation: combination of three-phase compensation and grouping compensation, fixed compensation and combined compensation of the mixed compensation can be grouped through the control panel settings, each group can set its

Fill mode and control parameters,

Perfect protection: undervoltage protection, overvoltage protection, voltage protection, overcurrent protection, phase protection, Yi wave protection and other protection measures, high reliability.

Reasonable design, simple structure, easy to use, anti-interference ability, technical indicators in a leading position in the country.

Standard cabinet, suitable for all kinds of occasions, small footprint.

Installation is simple, does not affect the production, unattended, maintenance-free.

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