Lightning Arrestor Resistors

• 

The lightning thunder resistor for homeis the core part of the lightning arrester. It uses zinc oxide as the main component, adding a small amount of bismuth oxide, cobalt oxide, chromium oxide, manganese carbonate, antimony oxide and other trace additives, and is sintered at high temperature. The microstructure of metal oxide resistors is mainly composed of zinc oxide grains, grain boundary layer and spinel phase.

Its conduction mechanism is generally believed that zinc oxide grains have good electrical conductivity, and the voltage applied to zinc oxide grains is almost all applied to the high-resistance grain boundary layer, and the nonlinearity of the resistor sheet mainly comes from the grain boundary layer ( Bismuth oxide is the main component), and the spinel phase is scattered in the grain boundary layer. It is a composite oxide composed of zinc oxide and bismuth oxide. Its function is to inhibit the growth of zinc oxide grains, so that the resistor has a more Excellent nonlinear characteristics.

Manufacturing Process of Lightning Arrestor Resistors

The manufacturing process of resistors is a very important aspect to ensure the performance of resistors. In commonly used formulas, additives only account for about 5% to 10% of the total weight. To mix additives and Zn0 evenly, the particles of additives should be fine and organic. Composition and content are crucial to the uniformity of the mixed slurry, and the uniformity of the slurry is one of the guarantee factors affecting the uniformity of the composition and structure of the porcelain body.

High-temperature sintering is a process of porcelain formation. Conditions such as sintering temperature and holding time determine the density of the porcelain body, the shape and size of grains, and the distribution of additives in grains and grain boundaries. The sintering temperature of the resistance sheet is around 1200°C or even higher. The cooling process after molding is a redistribution process of lattice defects, impurities, oxygen, etc., and it is also a process in which the crystal phase may undergo a phase change. Heat treatment is a process method to improve performance stability, and other properties, such as nonlinear coefficient, leakage current, breakdown voltage, etc., are also closely related to heat treatment temperature and time.

Both ends of the resistor sheet must be prepared with electrodes with good contact performance and conductivity. Commonly used electrodes are aluminum-sprayed electrodes and silver-burned electrodes. Of course, because the price of silver is much higher than that of aluminum, manufacturers now commonly use aluminum-sprayed electrodes. The side of the resistor sheet has good insulation protection (generally called insulating glaze) to avoid surface discharge when overvoltage is applied, and can also isolate the intrusion of humid air to avoid adverse effects.

Другие товары поставщика

	Railway Insulators	railway composite insulatorsare a critical component in ensuring the safety and operational efficiency of railway systems. These insulators are spe...
	Rubber Vertical Injection Machine	Most of the crawler production operations are completed by rubber vertical injection machines instead of manual labor, reducing the quality instabi...
	Lightning Protection Post Insulator	Lightning Protection Post Insulators are key elements in ensuring the reliability and safety of power transmission and distribution systems. YF POW...
	Pin Insulators	Pin insulators are electrical insulators used to support low- and medium-voltage power lines. They are typically made of glass or porcelain materia...
	Hot Shrinkage Mould	The life of hot shrinkage mouldis closely related to the extruded material and extrusion ratio, and the life of the die and mandrel is greatly shor...

Похожие товары

	Diode MMBD4148 SEMTECH PKG SOT-23 DI RET 100V 200MA SOT23 SMD	Продавец: ZK Electronic Technology Co., Limited	Product Details Category: Diode PN: MMBD4148 Brand:/ Description:Diode MMBD4148 SEMTECH PKG S...
	B560C-13-F DIODES DI SCHOTTKY 60V 5A DO-214AB SMD	Продавец: ZK Electronic Technology Co., Limited	Part name: DIODES Description:B560C-13-F DIODES DI SCHOTTKY 60V 5A DO-214AB SMD Part No.:B560C-...
	B160-13-F Diode SCHOTTKY 60V 3A SMA DIODES INCORPORATED	Продавец: ZK Electronic Technology Co., Limited	Product Details Category: Diode PN: B160-13-F Brand:/ Description:B160-13-F Diode SCHOTTKY 60...
	Varistor CU4032K300G2 SMD EPCOS Original and Genuine	Продавец: ZK Electronic Technology Co., Limited	Part name:Varistor Description:Varistor CU4032K300G2 SMD EPCOS Part No.:CU4032K300G2 Resistanc...
	SUP resistor 0402 1R 1% instead RM04FR00CT RES 1R 0402 1% CAL CHIP	Продавец: ZK Electronic Technology Co., Limited	Part name: SUP resistor Description:SUP resistor 0402 1R 1% instead RM04FR00CT RES 1R 0402 1% CA...