電阻測(cè)試法 ：

　　Resistance testing method:

　　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。

　　Use the resistance range of a multimeter to measure whether the motor, circuit, contacts, etc. meet the nominal values and whether they are open or closed.

　　使用兆歐表測(cè)量相與相、相與地之間的絕緣電阻，確保絕緣性能良好。

　　Use a megohmmeter to measure the insulation resistance between phases and ground to ensure good insulation performance.

　　電壓測(cè)試法 ：

　　Voltage testing method:

　　利用萬(wàn)用表測(cè)量電路中的電壓值，包括電源電壓、負(fù)載電壓及開路電壓，以判斷電路是否正常。

　　Use a multimeter to measure the voltage values in the circuit, including power supply voltage, load voltage, and open circuit voltage, to determine if the circuit is functioning properly.

　　機(jī)械檢測(cè) ：

　　Mechanical inspection:

　　通過(guò)觸摸電氣設(shè)備外殼的振動(dòng)和溫度，粗略判斷設(shè)備的運(yùn)行工況是否正常。

　　Roughly determine whether the operating conditions of the equipment are normal by touching the vibration and temperature of the electrical equipment casing.

　　檢查機(jī)械部件的安裝牢固性、螺絲緊固情況以及外觀，確保機(jī)械系統(tǒng)無(wú)故障。

　　Check the installation firmness, screw fastening, and appearance of mechanical components to ensure that the mechanical system is fault free.

　　靜態(tài)與動(dòng)態(tài)檢測(cè) ：

　　Static and dynamic detection:

　　靜態(tài)檢測(cè)：在設(shè)備不通電的情況下，檢查外部部件如開關(guān)、按鈕、插口及指示燈的工作情況。

　　Static detection: Check the working condition of external components such as switches, buttons, sockets, and indicator lights when the device is not powered on.

　　動(dòng)態(tài)檢測(cè)：在設(shè)備通電后，進(jìn)行各項(xiàng)功能的調(diào)試和檢查，觀察是否有異?，F(xiàn)象。

　　Dynamic detection: After the device is powered on, perform debugging and inspection of various functions, and observe whether there are any abnormal phenomena.

　　先簡(jiǎn)單后復(fù)雜 ：

　　Simple first, then complex:

　　先處理簡(jiǎn)單、直觀、常見(jiàn)的故障，再處理復(fù)雜、難度較高的故障，以提高維修效率。

　　First deal with simple, intuitive, and common faults, and then deal with complex and difficult faults to improve maintenance efficiency.

　　先外部后內(nèi)部 ：

　　First external, then internal:

　　先檢查外部部件，如開關(guān)、按鈕等，再拆卸內(nèi)部設(shè)備進(jìn)行檢修，以減少不必要的拆卸。

　　First inspect external components such as switches, buttons, etc., and then disassemble internal equipment for maintenance to reduce unnecessary disassembly.

　　接地檢查 ：

　　Grounding inspection:

　　檢查主要元器件的接地情況，確保斷路器、真空接觸器、電容器、電抗器等設(shè)備的接地良好。

　　Check the grounding status of the main components to ensure good grounding of equipment such as circuit breakers, vacuum contactors, capacitors, and reactors.

　　元器件檢查 ：

　　Component inspection:

　　檢查各元器件的安裝牢固性、螺絲緊固情況以及外觀，確保無(wú)損壞或老化現(xiàn)象。

　　Check the installation firmness, screw fastening, and appearance of each component to ensure no damage or aging.

　　短路檢查 ：

　　Short circuit inspection:

　　檢查電路中是否存在短路現(xiàn)象，確保接線正確、無(wú)裸露導(dǎo)線。

　　Check for short circuits in the circuit, ensuring correct wiring and no exposed wires.

　　功能測(cè)試 ：

　　Functional testing:

　　按照?qǐng)D紙及說(shuō)明書進(jìn)行各項(xiàng)操作，行正常啟停機(jī)操作，再觀察各項(xiàng)故障保護(hù)動(dòng)作是否正常。

　　Perform various operations according to the drawings and instructions, first perform normal start stop operations, and then observe whether various fault protection actions are normal.

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