IS200TPROH1C是GE开发的紧急保护（TPRO）终端板。三个 PPRO I/O 包安装在紧急保护 （TPRO） 端子板上。它具有一对用于总线和发电机电压输入的电位变压器 （PT），并为 PPRO 调节速度信号输入。上面有三个 DC-37 针连接器，PPRO 组连接器的每一侧一个。每个 DC-37 都接受通向 Mark* VIe 后备跳闸继电器端子板的电缆。TPROH1C 有两个可插拔模块，每个模块有 24 个屏障端子。
不要无意中交叉连接 240 V 交流和 240 V 交流应用中的直流电压。峰值电压将高于 MOV 额定值，导致 MOV 失效。大多数交流电源具有接地零线，因此，如果在 125 V 直流和交流电压之间建立意外连接，则交流峰值电压和 125 V 直流之和将应用于直流和接地之间连接的 MOV。另一方面，在 120 V 交流应用中，MOV 额定值可以承受峰值电压而不会失效。
IS200TPROS1CBB-IS230TSPRH1C-MRP680538
IS200TPROS1CBB-IS230TSPRH1C-MRP680538
IS200TPROH1C is an Emergency Protection (TPRO) terminal board developed by GE. Three PPRO I/O packages are installed on the Emergency Protection (TPRO) terminal board. It has a pair of potential transformers (PT) for bus and generator voltage input, and regulates the speed signal input for PPRO. There are three DC-37-pin connectors on top, one on each side of the PPRO group connector. Each DC-37 accepts cables leading to the Mark * VIe backup trip relay terminal board. TPROH1C has two pluggable modules, each with 24 barrier terminals.
Do not unintentionally cross connect the DC voltage in 240 V AC and 240 V AC applications. The peak voltage will be higher than the rated value of the MOV, causing the MOV to fail. Most AC power sources have a grounded neutral line, so if an unexpected connection is established between 125 V DC and AC voltage, the sum of AC peak voltage and 125 V DC will be applied to the MOV connected between DC and ground. On the other hand, in 120 V AC applications, the MOV rating can withstand peak voltage without failure.
IS200TPROS1CBB-IS230TSPRH1C-MRP680538
IS200TPROS1CBB-IS230TSPRH1C-MRP680538
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