Views: 0 Author: People's Cable Group Co., Ltd. Publish Time: 2021-09-28 Origin: https://www.rmjtcable.com/
Solar photovoltaic cables and ordinary cables are used to transmit current. The difference is that while transmitting current, the requirements for the use environment are different, and the materials and processes that make up the cable are different.
Common photovoltaic cable models: PV1-F, H1Z2Z2-K, 62930IEC131, etc.
Common common cable models: RV, BV, BVR, YJV, VV and other single-core cables
First. The difference in usage requirements:
1. The rated voltage is different
Photovoltaic cable: 600/100V or new standard 1000/1500V;
Ordinary cable: 300/500V or 450/750V or 600/1000V (YJV/VV series)
2. Different adaptability to the environment
Photovoltaic cables: need high temperature resistance, cold resistance, oil resistance, acid and alkali salt resistance, rain resistance, UV resistance, flame retardancy, environmental protection, and can be used in harsh environments with a service life of more than 25 years.
Ordinary cables: generally used for indoor laying, buried pipes and electrical equipment connections, etc., have a certain temperature and oil resistance, but cannot be exposed outdoors and in harsh environments. The service life is generally based on actual conditions without special requirements .
Second, the difference between raw materials and processing technology：
1. Different raw materials
Conductor: tinned copper wire conductor
Insulation: cross-linked polyolefin insulation
Sheath: cross-linked polyolefin insulation
Conductor: copper conductor
Insulation: PVC or polyethylene insulation
Sheath: PVC sheath
2. Different processing technology
Photovoltaic cables: the outer skins are all cross-linked and irradiated
Ordinary cables: generally do not undergo cross-linking radiation, YJV\YJY series power cables will be cross-linked
Third, the certification is different:
Photovoltaic cables generally require TUV certification, and ordinary cables generally require CCC certification or only require a production license.
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