1. The intelligent low-voltage comprehensive distribution box (JP cabinet) for public substations is suitable for installation on outdoor columns in rural distribution transformers with a rated frequency of 50Hz AC, a rated working voltage of 400V, and a rated current of 630A and below. As for energy distribution, energy metering, energy information collection and monitoring
A comprehensive low-voltage equipment used for control, measurement (PDK), reactive power compensation, and protection. According to the requirements of the intelligent construction of State Grid Corporation of China, our company
The intelligent new product developed on the basis of the cabinet not only has the characteristics of the original JP cabinet suitable for rural areas, but also has the requirements of smart grid
The collection and monitoring of electricity information, as well as the management of power grid load, are the upgraded products of urban and rural power grids
Main technical parameters
two point one
Rated working voltage: 400V
Rated insulation voltage: 660V
2. 2
two point three
Rated frequency: 50Hz
two point four
Capacity: 50, 100, 125, 160, 200, 250, 315, 400kVA, specific specifications are subject to the purchase contract
Insulation resistance:& ge;4MQ
2. 5
two point six
Dielectric strength: The main circuit is 2.5 kV relative to ground for 1 minute. The auxiliary circuit to ground is 2.5kV for 1 minute.
two point seven
Protection level: 1P33
two point eight
System grounding method: Neutral point directly grounded (TT system).