燒損故障 ：

Burn failure:

設備異常 ：開關跳閘、指示燈熄滅等。

Equipment abnormality: switch tripping, indicator light off, etc.

燃燒現象 ：柜內出現燃燒，伴隨濃煙和刺鼻氣味。

Burning phenomenon: Burning occurs inside the cabinet, accompanied by thick smoke and a pungent odor.

溫度升高 ：柜體溫度異常升高，可能引發火災。

Temperature rise: The cabinet temperature rises abnormally, which may cause a fire.

故障原因 ：

Reason for malfunction:

負載電流超過設備額定電流，引起設備過熱。

The load current exceeds the rated current of the equipment, causing overheating of the equipment.

電路短路，產生大量熱量，導致設備燒損。

A short circuit in the circuit generates a large amount of heat, causing equipment to burn out.

電網電壓波動或瞬間高壓可能損壞設備絕緣。

Voltage fluctuations or momentary high voltage in the power grid may damage equipment insulation.

接觸不良，如抽屜柜內部連接點松動。

Poor contact, such as loose connection points inside drawer cabinets.

機械磨損，長時間運行或操作不當。

Mechanical wear, prolonged operation or improper handling.

誤操作，如錯誤地合閘、分閘。

Incorrect operation, such as closing or opening the circuit incorrectly.

插頭故障 ：

Plug malfunction:

一次與二次插頭故障 ：主要原因是接觸不良。

Primary and secondary plug faults: The main reason is poor contact.

自動開關無法合閘 ：

The automatic switch cannot be closed:

儲能彈簧未儲能 ：手動合閘過程中，儲能彈簧未完成儲能。

Energy storage spring not stored: During the manual closing process, the energy storage spring did not complete the energy storage.

蘭色按鈕未復位 ：合閘前未將蘭色按鈕復位。

Blue button not reset: The blue button was not reset before closing.

儲能電機損壞 ：儲能電機老化或損壞。

Damaged energy storage motor: The energy storage motor is aging or damaged.

控制電源異常 ：儲能電機無法進行儲能，接觸不良或控制電路失去。

Abnormal control power supply: The energy storage motor cannot store energy, poor contact or loss of control circuit.

母線故障 ：

Bus fault:

母線段進線開關故障 ：控制柜內K15故障的繼電器動作，導致繼電保護器投入使用。

Bus section incoming switch fault: The relay action of K15 fault in the control cabinet caused the relay protector to be put into use.

抽屜溫度過高 ：負荷過高或接線松動引起。

Drawer temperature too high: caused by high load or loose wiring.

斷路器故障 ：

Circuit breaker malfunction:

MT10H1型斷路器故障 ：瞬時脫扣lsd系數設定值太小，長延時跳閘延時tr=4s。

MT10H1 circuit breaker fault: The instantaneous tripping LSD coefficient setting value is too small, and the long delay tripping delay tr=4s.

Emax型斷路器故障 ：自動空氣開關跳閘，通常由于母線負荷超過限定水平或出現相間短路。

Emax type circuit breaker fault: Automatic air switch trips, usually due to bus load exceeding the limit level or phase to phase short circuit.

其他故障 ：

Other faults:

負荷過載 ：抽屜開關下游電氣設備接地或短路。

Load overload: Electrical equipment downstream of the drawer switch is grounded or short circuited.

熱繼電器故障 ：熱繼電器動作缺陷。

Thermal relay malfunction: Defects in the operation of the thermal relay.

二次回路端子脫落 ：抽屜間隔內二次回路端子脫落。

Secondary circuit terminal detachment: The secondary circuit terminal detachment occurs within the drawer compartment.

控制回路電源失去 ：220V交流電源或24V直流信號電源失去。

Control circuit power loss: Loss of 220V AC power or 24V DC signal power.

建議

Suggestion

定期檢查設備負載情況，避免過載運行。

Regularly check the load condition of the equipment to avoid overload operation.

檢查內部連接點，確保接觸良好，及時更換損壞的部件。

Check the internal connection points to ensure good contact and replace damaged components in a timely manner.

加強對設備的維護保養，定期進行電氣設備的檢查和維護。

Strengthen the maintenance of equipment and conduct regular inspections and maintenance of electrical equipment.

嚴格按照操作規程進行操作，避免誤操作導致設備損壞。

Strictly follow the operating procedures to avoid equipment damage caused by misoperation.

配置合適的保護裝置，如過載保護、短路保護等，確保設備安全運行。

Configure appropriate protective devices, such as overload protection, short circuit protection, etc., to ensure the safe operation of the equipment.

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This article is provided by Jinan MNS low-voltage drawer cabinet for you. Our website is: http://m.fzjfvx.cn We will provide you with wholehearted enthusiasm and welcome your visit!