内部分机线绝缘材料翻译-中英对照
8.3.22 控制变压器(460V/220V)必须接入到整个控制面板上,控制变压器辅助装置必须接地。 必须预见测试/验证设备的二次接地。在每个分线机必须安装一个同电压(460V/220V)的双极断路开关。并且在其他辅助供应中,必须提供专属变压器功能,例如制动系统,供应给磁性阀门。
8.3.23磁性阀门的指令必须分配到指定区域的控制面板,与遗留负荷一起。每个阀门必须由一个双极断路开关供应,并且和每个供电电缆断开。该供电优先使用一个辅助中转,当从PLC使用一个直接输出,必须有保险丝保护。阀门的插座必须装备有LED,为通电状态和瞬间遏抑器发送信号。
8.3.24只要技术上允许,使用断路开关而不是保险丝。
8.3.25控制电路使用磁针终端,视线终端使用供电电缆。
8.3.26 分线机和其他供应设备必须装备有设施,将断开位置分配出去,事先通过VSB的批准。
8.3.27 高度、配电盘宽度和深度必须根据需要设定。指令或信号装置不允许安装在只能用楼梯执行施工或验证的高处位置。
8.3.28 所有控制面板的排列或分组必须具有同样高度和深度。
8.3.29 较重的分线机/元件必须安装在控制面板的底部。
8.3.30 所有内部设备必须根据项目进行标识。 标识必须添加在设备上和组装面板上。
8.3.31 必须尽可能以最合理的方式细分电路,方便操作的灵活性和安全性。
8.3.32在所有配线板必须预留备用断路开关的位置。
8.3.33终端必须只使用一个等级; 不允许使用双相或三相接线条。
8.3.34所有点位必须在220 V电压之下,必须对偶然接触采用附件保护措施。
8.3.35 MCC、控制面板和能量分配系统等必须预留备10%的尺寸。在MCC的每个标准模件,必须有至少一个备用的拉线机。
8.3.36每个MCC一定必须有一个专属指定区域。不允许在一个MCC分享控制几个区域。事先必须与VSB团队讨论具体事宜。
8.3.37 MCC必须为智能类型,必须通过网络连接到PLC。
8.3.38所有MCC /配电盘必须安装在底部。
8.3.39入口和每个460V (PDP)和230V (PDI)的配电装置间隔配线板必须提供有一个紧急情况的按钮,方便接入外部部件。
8.3.40不允许背对背安装控制面板,除非通过前门给所有组件为提供巨大接入设施,而不需要进行大拆卸。 VSB团队必须事先对该情况进行评估。
8.3.41 配电盘,根据其应用,各个功能必须有一条指定的绝缘地接母线。
8.3.42执行部份PTTA测试。
8.3.43必须符合NR-10的要求。
8.3.44参见标准VS-N-010-3关于控制面板和控制桌面等的关税税则分类表和标识。
8.3.45参见标准VS-N-010-2关于最终电气设备控制面板装置的关税税则分类表和标识。
9.1.2DC (24 Vdc)电缆的正极必须采用红色;负极为蓝色。
9.1.3控制面板内部DC电缆的最小横断面为:
a.输入/输出模块电缆: 0.50毫米2;
b. 其他电缆: 1.0毫米 。
9.1.4 AC命令电缆(220 Vac)必须采用灰色;电源电缆(440 Vac)可以在两个终端采用带颜色条纹的黑色标识相位,根据条款 8.1.9的要求。 CT (电流互感器)的副绕组电线必须为黄色。
9.15控制面板的内部AC电缆的最小横断面为
a. 2,5毫米2为功率电路;
b. 其他电路1,0毫米2。
9.1.6 控制面板的内部接地电缆必须为绿色,最小横断面为2.5 毫米2.
9.1.7 控制面板的内部电缆最低绝缘材料:
a. 460 Vac电路:750V;
b. 230Vac或Vdc电路:750V;
c. 24Vac或Vdc电路:300V;
d. 115Vac电路: 300V.
9.1.8 所有内部电缆的绝缘材料必须是阻燃PVC。
9.1.9 AC母线和电缆的颜色:
相位A =红色
相位B =白色
相位C =褐色
接地=绿色
DC母线和电缆的颜色:
正极=红色
负极=蓝色
在两个终端允许使用有色封条辨认内部交流电缆绳和母线。
Colors of busbars and cables:
Phase A = red
Phase B = white Phase C = brown Ground = green
The use of colored tape is allowed on both ends for identification of the cables and the power busbars.
8.3.12 The secrets of the locks for drawers, columns, cabinets, etc., when installed, must be of one
model only.
8.3.13 The contactors must be sized at least for regimen AC-3, considering 150% of rated current
for motors up to 55 kW and 130% for the larger ones.
8.3.14 The exit circuits must have coordination Type 2.
8.3.15 The dimensions of the panels must be compatible with the quantity of internal elements,
always contemplating easy access and maintainability. The standard external dimensions
must be 2300 x 800 x 600 (H x W x D), already including a 100 mm base. Special cases
must be previously approved by VSB.
8.3.16 Panels having emergency buttons must have these mounted on the external door or, if they
are mounted inside, the panel may not be closed by key.
8.3.17 All emergency commands / safety devices must act directly on the equipment's electrical
circuit, besides sending a signal to the PLC.
8.3.18 The main panels' entries must have at least indication and signaling of the voltage and
current measurement in the 3 phases by a multifunction measurement device. Other needs
will be studied case by case.
8.3.19 The main entry of the MCC's must always be located in the 1st column on the left.
8.3.20 The entry circuit breakers must have microprocessed relays and the handle must have a
device preventing the door opening with the circuit breaker connected. They also must be
connected to the PLC.
8.3.21 The MCC's and other boards must be divided into columns to be identified by numbers and
the drawers by letters, always from left to right and from top to bottom.
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TECHNICAL SPECIFICATION
ELECTRICAL, AUTOMATION AND INSTRUMENTATION SYSTEM -SPECIFICATION AND INSTALLATION GUIDELINE VS1
Ex: Drawer 11D => Installed in the 11th column from left to right and the 4th rack from top to bottom.
There must be a space between these columns where the terminal strips will be installed. This space must allow good organization, attachment and access
facility to cables, terminals and terminal strips.
8.3.22 The control transformer (460V / 220V) must be common for the entire panel and its
secondary may not be grounded. A test / verification device for grounded secondary must
be foreseen. A bipolar circuit breaker must be installed in each drawer for switching this
voltage. Also exclusive transformers must be provided for functions such as braking system,
supply to magnetic valves, among other auxiliary supplies.
8.3.23 The commands for the magnetic valves must be distributed in specific panels of their areas,
together with the remaining loads. Each valve must be supplied by a bipolar circuit breaker
and have a NO contract interrupting each supply cable. Preferentially an auxiliary relay for
this supply should always be used but, when using a direct output from the PLC, this one
must be protected by fuse. The plugs of the valves must have a LED for signaling the
energized state and a transients' suppressor.
8.3.24 Always use circuit breakers instead of fuses wherever technically allowable.
8.3.25 Use needle terminals for control circuits and eye terminals for power cables.
8.3.26 The drawers and other supply devices must have facilities for consigning the disconnected
position and will previously be evaluated and approved by VSB.
8.3.27 Height, width and depth of the panels must correspond to the needs. No command or
signaling may be installed on high places where they can only be executed or verified with a
ladder.
8.3.28 All panels in the same lineup or group must have same height and same depth.
8.3.29 Heavier drawers / elements must be installed in the lower part of the panels.
8.3.30 All internal devices must have identification according to the project. The identification must
be affixed on the device itself and on the assembly board.
8.3.31 The circuits must be subdivided in the most rational manner possible, in order to have more
operational flexibility and safety.
Issue Date I 18/06/2008 Revision I 002 I Revision Date | 04/09/2008 Page 11 of 25
TECHNICAL SPECIFICATION
ELECTRICAL, AUTOMATION AND INSTRUMENTATION SYSTEM -SPECIFICATION AND INSTALLATION GUIDELINE VS1
8.3.32 Spare circuit breakers must be foreseen in all distribution panels.
8.3.33 Terminals must be used in one level only; double or triple terminal strips are not allowed.
8.3.34 All points under voltage above 220 V must have additional protection against accidental
touching.
8.3.35 10 % free space in the MCC's, panels, energy distribution systems, etc. must be foreseen.
There must be at least one spare drawer for each standard model existing in the MCC's.
8.3.36 Each MCC must be exclusive for one specific area. It is not allowed to share the control of
several areas in one MCC. Specific cases must be previously discussed with the VSB team.
8.3.37 The MCC's must be of the "intelligent" type and will be connected to the PLC via network.
8.3.38 All MCC's / panels must have a mounting base.
8.3.39 The entry and each cubicle of the 460V (POP) and 230V (PDI) distribution panels must be
provided with an emergency button easily accessible on the external part.
8.3.40 Back-to-back mounting of panels will not be allowed, except if this provides great access
facility to all components through the front door, without needing large disassembly. The
VSB team will previously evaluate such situations.
8.3.41 The panels, according to their application, must have a specific insulated ground busbar for
each function.
8.3.42 Partially tested PTTA TYPE tests must be carried out.
8.3.43 They must comply with requirements of the NR-10.
8.3.44 See standard VS-N-010-3 concerning Nomenclature and Identification of Panels, Control
Desks, etc.
8.3.45 See standard VS-N-010-2 concerning Nomenclature and Identification of Final Electrical
Devices Panels.
9 CABLES/BUSBARS
9.1 Internal
9.1.1 The cables must be of copper, stranding class 4 or 5.
| Issue Date | 18/06/2008 | Revision | 002 | Revision Date | 04/09/2008 | Page 12 of 25 |
TECHNICAL SPECIFICATION
ELECTRICAL, AUTOMATION AND INSTRUMENTATION SYSTEM -SPECIFICATION AND INSTALLATION GUIDELINE VS1
9.1.2 DC (24 Vdc) cables must have colors red for positive and blue for negative.
9.1.3 Minimum cross-section for internal DC cables in the panels:
a. Cables of I/O modules: 0.50 mm2;
b. Other cables: 1.0 mm2.
9.1.4 AC command cables (220 Vac) must be gray color and the power cables (440 Vac) may be
black color with colored strips on both ends indicating the phases or according to the colors
indicated in item 8.1.9. The CT (Current Transformers) secondary cables must be yellow.
9.1.5 Minimum cross-section for internal AC cables in panels
a. 2,5 mm2 for power circuits;
b. 1,0 mm2 for other circuits.
9.1.6 The internal grounding cables in the panels must be green color with minimum cross-section
2.5mm2.
9.1.7 Minimum insulation for internal cables in panels:
a. 460 Vac circuits: 750V;
b. 230 Vac or Vdc circuits: 750V;
c. 24 Vac or Vdc circuits: 300V;
d. 115 Vac circuits: 300V.
9.1.8 The insulation of all internal cables in panels must be flame retardant PVC.
9.1.9 Colors of AC busbars and power cables:
Phase A = red
Phase B = white Phase C = brown Ground = green
Colors of DC busbars and power cables: Positive = red Negative = blue
It is allowed to use colored strips on both ends for identifying internal AC power cables and busbars.
武汉翻译公司
2013.8.2