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(31) Using the food - grade oil instead of the ordinary transformer oil, to avoid contaminating the well.

(32) Movable - core high leakage reactance transformer, single - phase bridges rectifying and reactor serial structure for main circuit.

(33) Running a transformer into the wrong load will alter its high-frequency roll-off and square wave response.

(34) Transformer update project, failure modes analysis unavailability calculation, risk difference, payback period method.

(35) An energy saving strategy, which aimed at the problem of arc welding transformer with high open energy wastage and low power factor, is proposed.

(36) That is to say, each generator is connected to 220 KV switch - yard through its own main transformer.

(37) Based on the characteristic analysis of short-circuit impedance for adjustable tap transformers, the defects of the transformer model is pointed out, and the detailed correction method is proposed.

(38) The invention discloses a current transformer, which comprises a primary coil, a secondary coil, an iron core and a shell.

(39) This paper presents series-capacitance compensation method that can reduce the over-reactance of imitating transformer to meet equivalent reactance in power system imitating experiment.

(40) Protection by gas relay is one of the elemental protection of transformer.

(41) Full bridge topology was used in the main circuit, IGBT was used as power switching device, and micro-crystal core was used in mid-frequency transformer.

(42) A step - down transformer has a turns ratio less than 1.

(43) The principle and structure of optical instrument transformer are introduced, the remain issues in the research are also discussed.

(44) An integrated - circuit transformer differential relay including secondary and fifth harmonics suppressor is designed.

(45) This paper introduces the application of The 'SP' synthesization foam spray fire extinguishing device for a main transformer in the substation.

(46) Working principle of fast linear transformer driver ( LTD ) is a new pulsed power technology developed recently.

(47) The proposals for measurement of OLTC recovery voltage in transformer test and operation are made.

(48) The DC waveforms and their judgement of on - load tap - changer in transformer are introduced.

(49) Switching power transformer coil for notebook - computer processed for American company, and inductance coils of various kinds.

(50) Which I designed the equipment transformer factory planning ranked first in class and I spent most of the time and half of the students.

(50) Sentencedict.com try its best to gather and make good sentences.

(51) Optimum design of movable - core - shunting arc welding transformer is carried out in the present paper.

(52) Start time is about 3 - 80 seconds . The temperature of thyristor and transformer has no distinct rise.

(53) The metering error will occur when current transformer does not operate in rating condition.

(54) There is discordance between present two-part tariff and urging economic operation of transformer.

(55) With the development of modern power system the traditional electromagnetic current transformer has revealed more and more problems.

(56) The main transformer and switchgear will be thoroughly tested by an outside contractor.

(57) According to the modified least square algorithm of system identification technique, a diagnostic model of power transformer fault is determined and described by fuzzy relation matrix.

(58) The method to calculate temperature rise of dry-type transformer is introduced. The detail calculation process is presented.

(59) Transformer cannot operate on direct current, which would burn out the wire in the transformer.

(60) Various parameters in the main circuit were calculated. meanwhile, it is very important to design the high-frequency transformer.