RadiSys EPC-23端子模块

产品详细资料
限制性接地故障元件测试7.5.14.1说明本程序验证限制性接地点故障性能是否与运行设置相匹配。接地元件测量连接到接地电流输入CT、H10和G10或F12和E12的电流信号。中性（3Io）电流是根据三相电流的矢量和来计算的。将电流注入一相会自动产生中性电流（即3I o=i a）。这些元素的设置可在S4 elements中找到 限制性场地 W1（3）RESTD GND FAULT（复位接地故障）设定点菜单。7.5.14.2绕组1元件—确保只有受限接地故障元件操作跳闸继电器（以及逻辑选择的任何其他输出继电器）禁用除受限接地事故以外的所有保护功能。使用如下图所示的电流源，将I1电流源连接到绕组1相电流元件的端子H1和G1，将I2连接到接地电流元件所示的端子G10和H10。根据继电器FlexLogic监控适当的输出继电器™ 设置或指定的继电器设置。 在禁用间隔定时器的情况下，施加向相电流元件馈电的电流信号，并缓慢增加其幅值，直到跳闸继电器和所有选定的辅助继电器工作。操作级别应与S4元素相对应 限制性场地 W1 RESTD GND故障 W1 RESTD GND FAULT PICKUP设置。
Restricted Ground Fault Element Test 7.5.14.1 Description This procedure verifies that the restricted ground fault performance matches the inservice settings. The ground element measures the current signal connected to the ground current input CT, H10 and G10 or F12 and E12. The neutral (3I o) current is calculated from the vector sum of the three phase currents. Injecting current into one phase automatically produces a neutral current (i.e. 3I o = I A). Settings for these elements are found in the S4 ELEMENTS  RESTRICTED GROUND  W1(3) RESTD GND FAULT setpoints menu. 7.5.14.2 Winding 1 Element To ensure that only the restricted ground fault element operates the trip relays (and any other output relays selected by the logic) disable all protection features except restricted ground fault. Using a current supply as shown in the figure below, connect the I 1 current source to terminals H1 and G1 for the winding 1 phase current element and I 2 to terminals G10 and H10 as shown for the ground current element. Monitor the appropriate output relays as per the relay FlexLogic™ settings or assigned relay settings. With the interval timer disabled, apply the current signal feeding the phase current element and increase its magnitude slowly until the trip relay, and all the selected auxiliary relays, operate. The operate level should correspond to the S4 ELEMENTS  RESTRICTED GROUND  W1 RESTD GND FAULT  W1 RESTD GND FAULT PICKUP setting.
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●使用前:

在操作和维护，安装设备之前，请阅读并严格遵守安全相关的信息。

Read and strictly follow safety-related information before operatingmaintainingand installing equipment.

●使用者要求:

必须从事安装，组装或维护设备等相关工控电气机械以及其他相关技术的人员。

Must be engaged in the installation,assembly or maintenance of equipment and other related industriacontroeectrica machinery and other related technica personne.应用范围:

应用于品牌本系列工业以及生产生活自动化设备产品。

Used in the brand of this series of industriaand production automation eauipment products

适用于场景:系统集成，非标定制，产线升级改造，原设备电气替换等等。

Suitable for scenarios:system integration,non-standard customizationproduction line upgrading and transformation,electrical replacement of original equipment,etc.

●操作人员:

应该由本品牌专业培训操作员来安装、操作和维修设备。专业人员具有技术能力强，熟悉安全信息和安全实施:

熟悉设备的安装加工、操作和维护:熟悉处理所有的潜在危险情况。

Equipment should be installed,operated and maintained by trained operators from the brand

●危险情况

警告

.请注意使用人员的人身安全。

●除了产品特性以及功能，还需了解产品的使用寿命环境。

●充分学习产品使用手册，否则非专业人员可能会造成人身危险。

Study the product instruction manual thoroughlyotherwise it may cause personal danger to non-professionals.

●服务行业

适用水泥，木业，石业，橡胶，石油，化工，发电，环保，水处理，制冷，交通，钢铁，食品，饮料，船舶，制冷等行业

Applicable to cementwood,stone,rubber,petroleumchemical, power generation