ENSPC Three phase unbalance automatic adjusting device

Model description

EN SPC 75 / 400 - 3 – W

EN: Company code

SPC: Three phase unbalance adjustment

75: Capacity: 35kvar,50kvar,75kvar,100kvar

400: Voltage grade: 400V

3: 4:Three phase four wire 3:Three phase three wire

W: Outdoors

It is very common for three phase unbalance in the low voltage distribution. In the urban network and agricultural network, due to a large number of single-phase load, and it is extremely serious for three phase current unbalance phenomenon. The current unbalance in the power grid will increase the consumption of lines and transformer, lowering the function of transformer, affecting the safe operation of transformer, as well as zero drift, which may lead to three phase voltage unbalance, thus to lower the power supply quality. For the above mentioned condition, in order to optimize the power quality, saving energy and reducing emission, we has specially designed three phase unbalance automatic adjusting device. This device can filter more than 90% of the zero sequence in the rated capacity, and control the three phase unbalance degree within 10%.

Conditions of use

1.Environmental temperature: -10℃ ~ +40℃

2.Relative humidity: :5%~ 95%without condensation.

3.Altitude: ≤1500m, between 1500 ~4000m, according to GB/T3859.2, the power will be lowered by 1% when adding 100m.

4.Environmental conditions: no harmful gas and steam, no conductive or explosive dust, no violent mechanical vibration

5.Outdoor installation: space of at least 15cm should be retained in the upper and lower outlet of the module, and space of at least60cm shall be reserved in the front and back of the cabinet to facilitate maintenance.

Technical parameters

1.Working voltage range: three phase 400VAC±20%.

2.Working frequency: 50Hz, allowed deviation of ±5%.

3.Zero sequence current compensation capacity:≥90% (rated capacity)

4.Management capacity of three phase unbalance: ≤10% (rated capacity)

5.Full-response time for compensation: <10ms

6.Connection mode: Parallel connection

7.Power consumption: <2.5% of the capacity