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Talk about the difference between control wire and cable and power cable wire

Control wire and cable from the distribution point of the power system to transmit electrical energy directly to a variety of power-using equipment apparatus power connection lines, power cable wire in the power system backbone for the transmission and distribution of large functional electrical energy. Control power cables are mainly 450/750V, power cables are generally rated at 0.6/1kV and above. The same specifications of power cable and control cable in the production of power cable insulation and sheath thickness than the control cable thick.

2022-12-27

Power cable moisture treatment methods

Power cables used before construction are mainly YJLV22 series cross-linked aluminum-core cables and YJV22 series cross-linked copper-core cables (10KV). Compared with overhead lines and old oil-filled cables, this type of cable has good insulation performance, high allowable working temperature (up to 90℃) and good mechanical strength. The mass application of the cable not only improves the reliability of power supply, but also beautifies the city cityscape and is worth promoting. However, in the long-term construction process, combined with a large number of feedback from the operating units, we found that the phenomenon of cable moisture into the water is becoming a potential hidden danger affecting the safe operation of the cable.

2022-12-27

Photovoltaic junction box: power station "supporting role" of the jungle

China's photovoltaic installed capacity has been among the world's top for four consecutive years, in the process of expanding the scale, the cost has also continued to dip, the past decade, photovoltaic kilowatt-hour cost has dropped from 3 yuan to 0.7 yuan today. Parity online gradually approaching, "micro-profit era", power station refinement management has become the industry consensus, in addition to photovoltaic modules, photovoltaic inverters and other "protagonists", photovoltaic backsheet, photovoltaic junction box and other "supporting role "role can not be ignored.

2022-12-27

Photovoltaic connectors - small devices, big role

Photovoltaic connectors, also known as MC connectors, in the photovoltaic system, connectors account for a small percentage, but many links need to be used, such as junction boxes, convergence boxes, modules and inverters between the cable connection are required. Many construction personnel do not know enough about the connector, due to the connector problem caused by power plant failure can be a lot, in July 2016 'solarbankability' released another report "review and analysis of factors affecting photovoltaic power generation" report, in the power plant TOP20 impact factors, connector damage or Loss of power generation due to burnout ranked 2nd.

2022-12-27

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HEBEI SENMA CABLE Co.,Ltd.

Our company adheres to“Gathering talents、Casting high quality products、Create the future”Enterprise core idea，Take strengthening product upgrading as mission，Committed to photovoltaic energy products、Development of wire and cable products，Inheriting the belief of new energy and creating the future，Make the company first class in the world。

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