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Guangdong Yiming Electric Co., Ltd.
Contact: Mr. Yang
Mobile: 13556606143
Mobile: 13903039620
Phone: 0769-22208130
Fax: 0769-22208131
Email: yim988@163.com
Email: 1239088310@qq.com
Email: mymd9@126.com
Address: Block G, No. 5 Guanlong Road, Yuwu Industrial Zone, Dongcheng District, Dongguan City
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Common knowledge you need to know when entering the substation

目录:common problem发布时间:2019-12-16 17:16:00点击率:

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Five preventions: is the abbreviation for preventing electrical misoperation, that is, preventing mis-disconnection and mis-connection of circuit breakers; preventing hand-held isolation plugs with load-disconnecting and closing disconnectors or push-pull metal-enclosed (armored) switch cabinets with loads ; Prevent the ground wire or the grounding switch from being charged; prevent the ground wire or the grounding switch from being closed;
Unlock: Manually unlock the lock body.
Program operation: It is an operation sequence that is artificially specified according to the requirements of electrical equipment safety.
Non-program operation: Operation that does not follow the prescribed sequence.
Mechanical program lock: A lock composed of mechanical parts and used with switch equipment to meet the requirements of program operation. Generally consists of two parts, the lock body and the key.
Locking device: a device installed in a high-voltage switchgear to prevent electrical misoperation. The switchgear can be operated when operated in accordance with the prescribed procedures; otherwise, the switchgear must not be operated.
Use of button colors
Black start / close; stop / break.
White No special meaning Generally triggers an action other than emergency breaking. Start / close; stop / break.
Blue Mandatory The reset action is performed in a state where mandatory intervention is required.
Green Safe Starting or powering up Operate under safe conditions or prepare under normal conditions Normal start; turn on a switchgear; start one or more devices.
Yellow Abnormal Operate when abnormal conditions occur; intervene; participate in suppressing abnormal conditions; avoid unnecessary changes (accidents).
Red Emergency "Stop" or "Power Off" Operate in a dangerous state or in an emergency; stop emergency stop; used to stop / break; cut off a switch.
Use of indicator colors
White has no special meaning other states, such as when there is uncertainty about red, yellow, green, or blue, the general information of white is allowed; when red, yellow, and green cannot be used exactly; when used to "execute" a confirmation instruction; to indicate a measured value .
Blue Mandatory Indicates operator action is required; enter instruction.
Green Safety Normal state is allowed; pressure / temperature is normal; automatic control system is operating normally;
Yellow Abnormal Attention Abnormal state; Near critical state Pressure / temperature exceeds normal range; Protective device is released; When only able to withstand short-term overload allowed.
Red Emergency situation Dangerous state or immediate action required; pressure / temperature exceeds safe state; shutdown due to protection device action; danger of touching live or moving parts.

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广东益明电气有限公司

Guangdong Yiming Electric Co., Ltd.
Address: Block G, No. 5 Guanlong Road, Yuwu Industrial Zone, Dongcheng District, Dongguan City
Contact: Mr. Yang
Main Products: Box-type substations, high and low voltage switchgear and control equipment
Mobile: 135-5660-6143
Phone: 0769-22208130
Fax: 0769-22208131
Technical Support:Dongguan website construction


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