1、 Resistance test method

電阻測(cè)試法是一種常用的測(cè)量方法。

Resistance test method is a common measurement method.

通常是指利用萬(wàn)用表的電阻檔，測(cè)量電機(jī)、線路、觸頭等是否符合使用標(biāo)稱值以及是否通斷的一種方法，或用兆歐表測(cè)量相與相、相與地之間的絕緣電阻等。測(cè)量時(shí)，注意選擇所使用的量程與校對(duì)表的準(zhǔn)確性，一般使用電阻法測(cè)量時(shí)通用做法是先選用低檔，同時(shí)要注意被測(cè)線路是否有回路，并嚴(yán)禁帶電測(cè)量。

It usually refers to a method of measuring whether the motor, line and contact meet the nominal value and whether they are on and off by using the resistance gear of multimeter, or measuring the insulation resistance between phase and phase, phase and ground by megger. When measuring, pay attention to the selection of the range used and the accuracy of the calibration table. Generally, when using the resistance method for measurement, the general practice is to select the low-grade first. At the same time, pay attention to whether the measured line has a circuit, and live measurement is strictly prohibited.

二、電壓測(cè)試法

2、 Voltage test method

貴州高低壓配電設(shè)備告訴你電壓測(cè)試法是指利用萬(wàn)用表相應(yīng)的電壓檔，測(cè)量電路中電壓值的一種方法。

Guizhou high and low voltage distribution equipment tells you that the voltage test method refers to a method of measuring the voltage value in the circuit by using the corresponding voltage gear of the multimeter.

通常測(cè)量時(shí)，有時(shí)測(cè)量電源、負(fù)載的電壓，有時(shí)也測(cè)量開路電壓，以判斷線路是否正常。測(cè)量時(shí)應(yīng)注意表的檔位，選擇合適的量程，一般測(cè)量未知交流或開路電壓時(shí)通常選用電壓的高檔，以確保不于在高電壓低量程下進(jìn)行操作，以免把表?yè)p壞；同時(shí)測(cè)量直流時(shí)，要注意正負(fù)極性。

In general, sometimes the voltage of power supply and load is measured, and sometimes the open circuit voltage is measured to judge whether the line is normal. When measuring, pay attention to the gear of the meter and select the appropriate range. Generally, when measuring unknown AC or open circuit voltage, the highest gear of voltage is usually selected to ensure that it will not operate under high voltage and low range, so as to avoid damaging the meter; Pay attention to the positive and negative polarity when measuring DC at the same time.

三、電流測(cè)試法

3、 Current test method

貴州高低壓配電設(shè)備告訴你電流測(cè)試法是通常測(cè)量線路中的電流是否符合正常值，以判斷故障原因的一種方法。對(duì)弱電回路，常采用將電流表或萬(wàn)用表電流檔串接在電路中進(jìn)行測(cè)量；對(duì)強(qiáng)電回路，常采用鉗形電流表檢測(cè)。

Guizhou high and low voltage distribution equipment tells you that the current test method is usually a method to measure whether the current in the line meets the normal value to judge the cause of the fault. For weak current circuit, ammeter or multimeter current gear is often connected in series in the circuit for measurement; Clamp on ammeter is often used to detect strong current circuit.

四、儀器測(cè)試法

4、 Instrument test method

借助各種儀器儀表測(cè)量各種參數(shù)，如用示波器觀察波形及參數(shù)的變化，以便分析故障的原因，多用于弱電線路中。

With the help of various instruments and meters to measure various parameters, such as observing the change of waveform and parameters with oscilloscope, so as to analyze the cause of fault, which is mostly used in weak current lines.

五、常規(guī)檢查法

5、 Routine examination method

依靠人的感覺器官（如：有的電氣設(shè)備在使用中有燒焦的糊味，打火、放電的現(xiàn)象等）并借助于～些簡(jiǎn)單的儀器（如：萬(wàn)用表）來(lái)尋找故障原因。這種方法在維修中常用，也是采用的。

Rely on people's sensory organs (such as burning smell, ignition and discharge of some electrical equipment in use) and with the help of ~ some simple instruments (such as multimeter) to find the cause of the fault. This method is the most commonly used and first used in maintenance.

六、更換原配件法

6、 Replacement of original parts

貴州高低壓配電設(shè)備告訴你即在懷疑某個(gè)器件或電路板有故障，但不能確定，且有代用件時(shí)，可替換試驗(yàn)，看故障是否消失，恢復(fù)正常。

Guizhou high and low voltage power distribution equipment tells you that when you suspect that a device or circuit board is faulty, but you are not sure, and there are substitute parts, you can replace the test to see whether the fault disappears and returns to normal.

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