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earthing packaged equipment
earthing transformers, arc suppression coil are supported by the advanced packaged controlling system. The arc suppression coil developed by the company can automatically tune earthing line equipment, it is the intelligent synthesizer with automatically real-time tracking and compensating grid capacity and current and the single phase earthing optional line. It includes the earthing transformer, arc suppression coil, damping resistance counter, controller and controlling screen. The complete equipment has the function of real time online current and capacity monitor, automatically tracking and compensation, suppression when over-voltage, small current optional line.
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- 1、The automatically tracking arc suppression coil complete equipment applies prefading way, the arc suppression coil has regulated on the system need of the compensational current block when normally operated, and it timely compensate the capactitor current when the system is grounding, and truly realize the zero response.
2、The controller of the ace compression coil applies the embedded PXI controller to realize the large screen color, large capacity storage and strong adaptablity of the communication.
3、 high measurement accurancy: the error of capacitance current measure is less than 2%，neutrality point displacement voltage measurement error is less than ±2%.
4、 overall data show: it can show the block of arc suppression coil, system capacitance current, neutrality point displacement voltage, neutrality point current when normally operated. It can show the grounding line number, grounding zero sequence voltage, grounding zero sequence current, grounding time, accumulated grounding time when it grounds.
5、 It can alarm and indicate the conditions when the controlling equipment is working and grounding. It includes: gear in the end, inadequate capacity, device fault, failure gear regulate, single phase grounding, limit displacement. The operator should understand the operation situations of the equipment and the abnormal situations of the system.
6、 It applies the second damping technology, to increase the system damping rates and suppress the resonance over-voltage resonance, it controls through passive controlled sillicon, zero sequency voltaage DC circuit starter, high reliablility.
- service site: indoors. Ambient temperature: -30℃～+40℃ continuous operation; altitude: no higher than 1000m. It usually mounted in the building where is clean, no toxic and corrosive gases and steam, no conductive and explosive dust, and good ventilation condition.
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