1、1MNS 型 400V 开关柜操作与维护手册Operation and Maintenance Manual of MNS 400V Switch Cabinet21.引言1 Introduction1.1 操作与维护手册说明1.1 Operation and maintenance manual instructions 正确操作MNS型400V开关柜，要求搬运、安装、操作及维护都由具有相关资质的专业人员来进行； In order to ensure proper operation, only qualified professionals can handle, install, ope
2、rate and maintain MNS 400V switch cabinet; 为了避免人员遭受电击的危险，要求在安装或者维护之前对系统断电； In order to avoid electric shock, the system shall be disconnected from power before installation or maintenance; 本指导手册的目的在于让相关人员熟悉MNS型400V 开关柜的安装、维护保养过程及可能遇到的危险。相关人员必须具备以下条件： The Manual intends to help relevant personnel to
3、understand installation and maintenance process of MNS 400V switch cabinet and possible dangers. Relevant personnel must meet following conditions: 具有操作带电设备的资质； Qualified for operating live equipment; 接受过相关安全知识的培训。 Having received relevant safety knowledge trainings. 如果不遵循这些指导，则可能会导致严重的人员身体伤害甚至死亡，或者
4、是设备的损坏。Failure to do this guidance will cause possible serious personal injuries and even death, or equipment damage. 不遵从本规定的结果对下列事件的发生，MNS型400V开关柜生产厂家将不承担任何责任:MNS 400V switch cabinet manufacturers will bear no responsibility for 3following violations: 不遵守安全及操作规程的行为； Violations against safety and op
5、eration procedures; 非专业人员进行不适当的维修； Improper maintenance by non-professionals; 任何不经意的运输损坏； Any casual transport damage; 不正当的使用与操作； Improper use and operation； 未得到专业人员的授权下修改MNS型400V开关柜系统； Modification of MNS 400V switch cabinet system without professionals authorization;1.2 设备说明1.2 Equipment instructi
6、ons MNS型低压开关柜适用于交流50Hz，额定工作电压380V 的系统，用于发电厂、变配电所、石油化工、工矿企业、高层建筑、车站码头等动力、照明配电系统中作为电能的分配、保护和监控之用.Applicable to the system with current of AC 50Hz and rated operating voltage of 380V, MNS LV switch cabinet is used for energy distribution, protection and monitoring of power system, lighting and power di
7、stribution system at power plant, substation and distribution station, petrochemical enterprise, industrial and mining enterprise, high building, station and terminal, etc. 1.3 设备使用说明1.3 Equipment operation instructions因本项目是固定分隔式结构、不必提供单独的操作说明As the equipment is of fixed-separated structure, it is u
8、nnecessary to separately 4provide operation instructions. 1.4 技术术语和名词解释1.4 Technical terms and definitions 1.外壳：低压开关柜外部结构件，满足规定的防护要求，保护开关柜内元器件正常工作，防止人体触及开关柜内部导电部件和运动部件。1. Enclosure: as an external structural member of the LV switch cabinet, it can meet specified protection requirements, ensure norma
9、l operation of elements and instruments in the switch cabinet, and prevent any contact of human body with conductive parts and moving parts in the switch cabinet. 2.骨架：低压开关柜的结构件，用以构建低压开关柜的基本框架结构。2. Framework: as a structural member of the LV switch cabinet, it is used to form basic frame structure o
10、f the LV switch cabinet. 3.隔板：用于隔离低压开关柜内各个隔室。3. Separation board: it is used to separate each compartment of the LV switch cabinet. 4. 门：低压开关柜上带铰链的覆板构件，门上可安装电力仪表和控制按钮。4. Door: as a hinged sheathing element on the LV switch cabinet, the door can be provided with electric instrument and control button
11、. 5.隔室：除进行内部接线、调整或通风时才需要打开外，通常是封闭着的一种框架单元。5. Compartment: it is a generally closed frame unit, and is only opened for internal wiring, adjustment or ventilation. 6.功能单元：低压开关柜内具有某种功能的所有主回路和辅助回路组合体。6. Function unit: all combinations of main and auxiliary circuits with certain function in the LV switch
12、 cabinet. 7.主回路：传递电能的回路。57. Main circuit: a circuit to transmit power energy. 8.辅助回路：执行控制、测量、调节和信号的回路。8. Auxiliary circuit: control, measurement, adjustment and signal circuits. 9.母线系统：包括主母线及其附属件、配电母线及其附属件、连接铜排、铜柱及母线夹等。9. Busbar system: including main busbar and accessories, distribution busbar, coo
13、per bar, copper column and busbar clamp. 10.进线单元：把电能接受到主母线的一种功能单元。10. Incoming unit: a function unit that can transmit electric energy to main busbar. 11.出线单元：把电能输送给一个或多个出线电路的功能单元。11. Outgoing unit: a function unit that can transmit electric power to one or more outgoing circuits. 12.固定式安装：在安装板上完成功能
14、单元一次回路、二次回路元器件的安装，配套操作与控制面板。按固定式工艺要求安装的功能单元可实现各项设计任务，但不能在带电状态下拆卸或抽出。12. Fixed installation: installation of primary circuit and secondary circuit of the function unit on the mounting plate, with associated operation and control panels. Function units installed according to fixed process requirements
15、 can complete various design tasks, but cannot be dismantled or withdrawn under a charged state. 13.抽屉式安装：在抽屉内安装功能单元一次回路、二次回路元器件，配套操作与控制面板。按抽屉式工艺要求安装的功能单元可实现各项设计任务，可实现在带电状态下拆卸或者抽出。13. Drawer type installation: installation of primary circuit and secondary circuit of the function unit in the drawer,
16、with associated operation and control panels. Function units installed according to drawer type process requirements can complete various design tasks, but cannot be dismantled or withdrawn under a charged state. 14.可移式部件：能在运行时从低压开关柜中移出的部件。14. Removable parts: parts removed from the LV switch cabine
17、t during operation. 615.工作位置：可移式部件或者可抽出部件处于一次系统完好的连接状态。15. Service position: portable parts or withdrawal parts are under connection mode where the primary system is intact. 16.试验位置：可抽出部件处于一次系统断开而二次系统连接的状态，可对二次系统执行测试。16. Test position: withdrawal parts are under a status where primary system is disc
18、onnected and secondary system is connected, and secondary system can be tested. 17.断开位置：可抽出部件的一次系统断开而二次系统连接的状态。可抽出部件在断开位置仍然与低压开关柜的外壳保持正常的机械联系。17. Disconnection position: a status where primary system of withdrawal parts is disconnected but secondary system is connected. Withdrawal parts are in the o
19、ff position, but still keep normal mechanical contact with the enclosure of the LV switch cabinet. 18.移出位置：可抽出部件完全脱离低压开关柜的机械联系和电气联系。18. Removal position: withdrawal parts completely have no mechanical contact and electrical parts with the LV switch cabinet. 19.电气间隙：两个导电部分之间的最短直线距离。19. Electrical cle
20、arance: shortest liner distance between two conductive parts. 20.爬电距离：两个导电部分之间沿固体绝缘材料表面的最短距离。20. Creepage distance: shortest distance between two conductive parts along the surface of solid insulation materials. 21.工频耐受电压：在规定的试验条件下，不引起击穿的工频正弦电压有效值。21. Power frequency withstand voltage: effective val
21、ue of power frequency sinusoidal voltage without breakdown phenomenon under specified test conditions. 22.冲击耐受电压：在规定条件下，不造成绝缘击穿的冲击电压最高峰值。22. Impulse withstand voltage: maximum peak impulse voltage without insulation breakdown under specified conditions. 23.保护导体（PE）：以安全为目的而提供的导体。23. Protective conduc
22、tor (PE): conductor to be provided for safety purpose. 724.中性导体（N）：电气上与中性点连接，并能参与分配电能的导体。24. Neutral conductor (N): conductor subject to electrical neutral point connection and energy distribution. 25.保护中性导体（PEN）：兼有保护接地导体和中性导体功能的导体。25. Protective and neutral conductor (PEN): conductor with protectiv
23、e grounding conductor and neutral conductor. 26.额定电流（In）：在基准环境条件下，电气设备在额定电压下长期连续工作时允许的电流。26. Rated current (In): allowable current of electrical equipment during long-term continuous operation under rated voltage and reference environment conditions. 27.额定短时耐受电流（Icw）：电气设备制造商宣称的，在规定条件下，用电流和时间定义的能够耐受的
24、短时电流有效值。27. Rated short-time withstand current (Icw): effective value of short-time current defined by current and time under specified conditions as announced by electrical equipment manufacturer. 28.额定电压（Un）：电气设备长时间工作时所适用的最佳电压，也是设备的设计电压。28. Rated voltage (Un): optimum voltage applicable to long-te
25、rm operation of electrical equipment, or design voltage of the equipment. 29.额定绝缘电压（Ui）：设备制造商对设备或其部件规定的耐受电压有效值，以表征其绝缘规定的耐受能力。29. Rated insulation voltage (Ui): effective value of withstand voltage of equipment or parts as specified by the equipment manufacturer, indicating the specified insulation w
26、ithstand capacity. 82.安全说明2. Safety Instructions 2.1 基本安全说明2.1 Basic safety instructions 2.1.1 低压配电柜的操作人员需通过国家相关部门培训、考核并获得进网证和操作证。2.1.1 LV distribution cabinet operators shall receive trainings of relevant national departments, pass appraisal and obtain network certificates and operation certificate
27、s.2.1.2 低压配电柜的操作人员熟悉本岗位规章制度和变配电设备的性能、操作方法以及事故情况下的正确处理方法。2.1.2 LV distribution cabinet operators shall be familiar with rules and regulations of their posts as well as performance, operation methods and correct troubleshooting in case of emergency. 2.1.3 熟悉并正确使用电工安全用具和消防用具。2.1.3 Be familiar with and
28、properly use electric safety appliance and fire-fighting apparatus. 2.1.4 配电房维修必须挂相关警示牌，二人进行，一人操作，一人监护，巡检时可以一人进行，但必须通知其它当班人员，与被检设备保持0.7米以处距离。2.1.4 Relevant warning signs must be provided for maintenance of the distribution room, and two persons are arranged (one for operation and one for supervision
29、). However, one person is arranged for patrol inspection, and other operators on duty must be notified and keep more than 0.7m away from tested equipment. 2.1.5 柜门开关动作灵活可靠，屋顶无渗漏水，柜外、柜内清洁无杂物，柜门钥匙、操作 棒、警示牌等齐全。2.1.5 The cabinet door can flexibly and reliably switch, without water leakage at 9roof. It i
30、s clean and free from debris in and outside the cabinet, and cabinet door key, handling rod and warning plate are complete. 2.1.6 各负荷开关手自动合闸分闸灵活可靠，过压、过流、欠压、失压保护功能完好，安装接线牢固可靠无灼痕，隔离开关合闸分闸灵活可靠，安装牢固，触点（连接处）接触牢固、无灼痕。2.1.6 Each load switch provides reliable and flexible manual/automatic closing and openin
31、g with good overvoltage, overcurrent, under-voltage and no-voltage protection functions, and wiring is secure and reliable without burning marks. The disconnector provides flexible and reliable closing/opening with secure installation, and the contact (connection) provides secure contact without bur
32、ning marks. 2.1.7 各面板指示灯齐全，指示仪表（含互感器）指示准确且在有效期内使用。2.1.7 The indicator lamp on each panel is complete, and the indicating instrument (including sensor) provides proper indication and is used within the effective period. 2.2 成套设备/机械安全说明2.2 Complete equipment/mechanical safety instructions 一、停电或送电之前，必须
33、与用户联系好。I. Keep contact with the user before power shutdown or transmission. 二、停电后必须检电，检修电容器柜时，还必须放电。确无电后，方可接触导电体。II. Perform electricity inspection after shutdown, and discharge electricity before overhaul of the capacitor cabinet. Contact with the conductor after no electricity is discovered. 三、联络柜
34、的操作：联络柜是双投闸刀开关，向上合闸是用本室辅助变压器，向下合闸是用来自北井配电室的备用电源。在总柜未停电的情况下，严禁操作此柜。III. Operation of tie cabinet: the tie cabinet is provided with double-throw knife switch. Auxiliary transformer of the compartment is used under Upward closing, and 10standby power from the distribution room is used under downward cl
35、osing. Do not operate the cabinet under the condition that the total cabinet is connected. 四、进线柜的操作：IV. Operation of Incoming Cabinet: 1.停电：1. Power shutdown: （1）按柜面“ 停电” 按钮，空气断路器跳闸。如果不跳闸，就打开柜门，推按断路器上“0”字牌，使其跳闸。跳闸后，断路器窗口显示“0” 字，柜面绿灯亮，红灯灭。(1) The air circuit breaker trips off by pressing the “off” bu
36、tton on the panel. Open the cabinet door under on trip-off, and push and press “0” on the circuit breaker for trip-off. After trip-off, when the circuit breaker window indicates “0”, green light on the cabinet is on, and the red light is off. （2）拉下柜面操作手柄，使隔离开关断开。(2) Pull down the operation handle on
37、 the panel surface to disconnect the disconnector. 2.送电：2. Power transmission:（1）推上柜面操作手柄，使隔离开关闭合。(1) Push operation handle on the panel surface to connect disconnecting switch.（2）按柜面“ 储能” 按钮，进行储能，显示 “已储能”。(2) Press “Energy Storage“ on the panel surface to start energy storage, and “Energy Stored“ will be displayed.（3）按柜面“ 起动” 按钮，断路器合闸，窗口显示“1” 字，柜面红灯亮，绿灯灭。(3) Press “Start“ on the panel surface to connect circuit breaker, “1“ will be displayed in the window, and red indicator will be on and green indicator will be off on the panel.（4）如果按钮失效，就用储能手柄插入断路器的方孔内，上下摇动手柄进
