Solar Energy Power Inverter 1000-6000w

FT series solar energy power inverter 1000-6000w

Resistors are divided by material:

a. Wire-wound resistors are made of high-resistance alloy wires wound on an insulating skeleton, and are coated with a heat-resistant glaze insulating layer or insulating varnish. Wirewound resistors have a low temperature coefficient, high resistance accuracy, good stability, heat resistance and corrosion resistance, and are mainly used as precision high-power resistors. The disadvantage is that the high frequency performance is poor and the time constant is large.

b. Carbon synthetic resistors are made of carbon and synthetic plastics.

c. Carbon film resistors are made by coating a layer of carbon on the ceramic tube, and depositing crystalline carbon on the ceramic rod skeleton. Carbon film resistors have low cost, stable performance, wide resistance range, low temperature coefficient and voltage coefficient, and are currently the most widely used resistors.

d. The metal film resistor is formed by coating a layer of metal on the ceramic tube, and the alloy material is evaporated on the surface of the ceramic rod skeleton by vacuum evaporation.

Metal film resistors have higher precision, better stability, lower noise and lower temperature coefficient than carbon film resistors. It is widely used in instrumentation and communication equipment.

e. The metal oxide film resistor is made of a layer of tin oxide plated on the porcelain tube, and a layer of metal oxide is deposited on the insulating rod. Since it is an oxide itself, it is stable at high temperature, thermal shock resistance, and strong load capacity. According to the application, there are general, precision, high frequency, high voltage, high resistance, high power and resistance network.

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