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Terminal application in power systems
Published：2013-03-04 09:32:02 Views：
At present, China mainly DC systems for photovoltaic power generation system, issued by the solar electric energy to charge the battery, and the battery direct power supply to the load, such as using more solar home lighting system in Northwest China and far away from the microwave power system for DC system of power grid. This type of system structure is simple, low cost, but due to load different DC voltage (12V, 24V, 48V,), it is difficult to achieve standardization and compatibility of systems, in particular civilian power, most AC loads, photovoltaic power supply DC power supply is difficult to as a commodity into the market. In addition, grid-connected PV power will eventually achieve running, this entails using AC photovoltaic power generation systems. Future Exchange solar photovoltaic power generation systems will become the mainstream.
Electrical terminals in PV systems have many applications, for example, as breaking, Confluence and wire connections. Elinker PV Electric production terminal device and screen main screen connected to external equipment line, a signal (voltage and current) transmission. PV terminals make connection is beautiful, easy to maintain, over long distance lines join, mainly between solid, construction and maintenance, and therefore includes all the components in a photovoltaic plant used in the testing of components for additional, PV-rail-mounted terminal blocks while working in 1000V DC have security for a long time.
Elinker Electric technician said, is necessary for the measurement of partial discharges, because PV modules connected in series will produce a high DC voltage. High voltage electric field strength and the corresponding higher can cause the terminal's insulation materials used in the micro-breakdown occurs, small discharge and lead to material fatigue and eventually cause insulation breakdown of materials.
Elinker Electric is a set research and development, production, sales Yu one of wiring Terminal suppliers, main production circuit board wiring Terminal, track type wiring Terminal, dozens of species series, company adhere to "provides high quality products, continued innovation new technologies, meet customer of needs, competition in the common development" of concept, followed "seriously of listening, broad of discussion, detailed of research, full of programme" of purposes, seeking to reasonable of recommendations and best of service to meet customer Supreme of requirements.