Position:
In electric couplet transmit national level appoint establish bid of project of - On April 21, in electric couplet transmit national level appoint establish bid of project of transmit electricity of dc of countrywide high pressure appoint the announcement of the meeting (in electric couplet standard [2008]69 date) . Ma...
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- National electrified wire netting holds evaluation of standard of farming net au
- Came 11 days on April 9, 2008, company of national electrified wire netting " research of mode of power supply of new rural area reachs socialism to set an example integratedly project " evaluation of standard of automation of project far...
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- Transformer does not produce electromagnetism radiation
- High pressure is defeated change electric establishment produces extremely low labour frequency electric field and labour frequency magnetic field only, completely negligible to the influence of environment and human body not plan, r...
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- The way that international of industry of our country electric equipment standar
- Two IEC (international Electrotechnical Committee) expert of orgnaization of high level of two secretariat of international of 3 technical committee chairman, IEC, IEC, striving for the 3rd TC actively at present (technical committee) cha...
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- Raise design level
- Since this year January, big range of our country southern region lasts microtherm rain snow freezes calamity weather is caused be defeated by distribution facilities to be damaged badly, be in happening of electrified wire netting to bre...
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- Voltage of short duration falls with short when cut off the power
- The nicety of nowadays makes equipment, computer, the load using phone such as transducer falls to voltage of short duration all very sensitive, continuously of 16ms 85% fall to may bring about equipment to stop namely to 90% voltage...
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- Have the field test of circuitry of high-pressured XLPE insulated cable with alt
- Summary: Have the experience of field test with volts d.c. according to XLPE insulated cable, the requirement develops new method. Device of resonance of series connection of frequency modulation of a kind of movable type can use alte...
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- Be defeated become electrical engineering Cheng sends means of the experiment on
- By accident the safety to power system, equipment and person causes operating trouble to be damaged directly, bring significant loss to people life property, cause serious political effect even, must cause height of various concerned...
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