ABB PM665 3BDS005799R1处理器模块

ABB PM665 3BDS005799R1处理器模块

PM665 3BDS005799R1用于选择降速或同步操作的降速触点串联连接断路器辅助触点位于端子14和端子16之间（高压控制上的端子0）。当下垂触点和断路器辅助触点闭合时，控制装置处于等时负荷分担模式

在该模式下，内部负载共享线路继电器为降信号被禁用（允许同步负载共享），并且负载匹配电路连接到负载共享线。当下垂触点或断路器辅助触点断开时，控制器处于下垂模式。

如果下垂触点断开，则即使断路器辅助，控制仍保持在下降模式触点闭合。每当断路器打开时，控制装置处于下降模式辅助触点断开。如果需要单个原动机运行与隔离负载同步，转动下垂电位计完全逆时针旋转（注意不要过度扭转锅）。

当发电机与无限大母线并联时，需要降速运行无需发电机负载控制、过程控制、自动功率传输以及负载控制、输入/输出控制或其他负载控制附件，或当与不兼容的调速器并联时。

（全伍德沃德电气负荷分系统是兼容的。）在无限总线上运行单个单元时发电机负荷控制或进出口控制，14号端子必须：连接到端子16（高压控制装置上的端子0），以连接匹配电路至负载共享线路。

PM665 3BDS005799R1 Reduced speed contacts for select reduced speed or synchronous operation Connected in series Circuit breaker Auxiliary contacts are located between terminals 14 and 16 (terminal 0 on high voltage control). When the drop contact and the circuit breaker auxiliary contact are closed, the control device is in isochronous load sharing mode

In this mode, the internal load sharing line relay is disabled for the drop signal (allowing synchronous load sharing), and the load matching circuit is connected to the load sharing line. The controller is in droop mode when the droop contact or the circuit breaker auxiliary contact is disconnected.

If the droop contact is open, the control remains closed in drop mode even if the breaker is assisted. Whenever the circuit breaker is opened, the control device is in drop mode and the auxiliary contact is disconnected. If a single prime mover is required to run in sync with the isolated load, turn the droop potentiometer to turn completely counterclockwise (be careful not to over-twist the pan).

When the generator is in parallel with an infinite bus, reduced speed operation is required without generator load control, process control, automatic power transmission and load control, input/output control or other load control accessories, or when in parallel with incompatible governors.

(The full Woodward electrical load sharing system is compatible.) When running a single unit on an unlimited bus for generator load control or import/export control, terminal 14 must: connect to terminal 16 (terminal 0 on the high voltage control) to connect the matching circuit to the load sharing line.