Home > Products > Lightning Arrester > 10kv ZnO lightning surge arrester without gaps export type
10kv ZnO lightning surge arrester without gaps export type
- 15000 Piece / Pieces per Month
- NINGBO SHANGHAI
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Product Details
Place of Origin: | Zhejiang, China | Brand Name: | MingNeng | Model Number: | YH10W-11 |
Product Description
Specifications
small in dimension, light in weight;flexible installation;
stable function;
good sealing;
dampproof & explosion proof
PRODUCT INTRODUCTION:
In medium-voltage distribution systems the arresters are widely spread over the whole network as they are normally directly arranged either, for instance, at the pole-mounted transformers, or at the cable terminations.
Certain designs of the polymer housed arresters were in fact impossible to construct until the gapless metal-oxide technique was introduced. As a major progress, metal oxide arresters could be built with only one single effective active element, namely the column of the metal oxide resistors. High demands are, however, made on these metal oxide resistors, as they combine all the functions, which previously had been shared among the different components of the gapped arrester. In this way they have to be ageing resistant while being subjected to constantly applied operating voltage. They must be able to absorb the energy injected during a discharge, and they should subsequently limit the follow current (leakage current) to value small enough for thermally stable operation.
The metal oxide resistor column, together with the accompanying supporting construction comprises the active part of the arrester. The column consists of individual metal oxide resistors stacked on top of each other. The metal oxide resistors are almost always produced in a cylindrical form. Their diameter decisively determines the energy absorption and the current carrying capability. It is within a range of about 30mm when used for distribution systems and up to 100mm or more for high and extra-high voltage systems and special applications, for which high energy absorption capabilities are required.
Safety and reliability are vital in high-voltage products and Wenzhou Mingneng Electric Co., Ltd is committed to pioneering improvements in performance for our customers at all levels. Our development teams work to generate a superior range of high performance products. All products developed using our extensive service experience and within the constraints of international standards including IEC and many national standards.
CHARACTERISTICS:
Non-tracking and low erosion rates in polluted an non-polluted environments, long term weather ability, resistance to thermal ageing, UV resistance, chemical resistance.
Tough, tear and impact resistance.
USING CONDITON: Ambient temperature: -40°C ~+40°C Altitude: above 1000m Frequency: 48Hz ~ 62Hz The power frequency voltage of the arrester should be less than the continuous operating voltage Maximum wind velocity: 35m/s Earthquake intensity: ≤ 7 degrees Standards: Typical types of 0.22KV to 220KV polymer housed metal oxide surge arrester (YH series) is in accordance with standards IEC60099-4, GB11032-2000 & T8952-2005. Summeray: YH series metal oxide surge arresters are used to protect 0.22KV to 220KV A.C. system against overvoltage damage. We can design and develop surge arresters according to your request. Test: DC reference voltage test leakage current test under 0.75 U1mA Partial discharge test Sealing test Continuous current test Power frequency withstand voltage test at resistant current 1mA Residual voltage test at nominal discharge current
More details:
Packing Details:
Contact Us
- Wenzhou Mingneng Electrical Co., Ltd.
- Contact nameleo shi
- Phone0086-0577-62712995
- Address(Inside Yueqing Qiujing Auto Parts Stamping Factory) Bulao Village, Liushi Town
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