Woodward 9907-028

الوصف

The Woodward 9907-028 is an SPM-A Synchronizer (Speed and Phase Matching Synchronizer). This is a specialized control module designed to automatically match the speed and phase of a generator to a bus or another generator before closing the circuit breaker.

Key Features and Applications

The SPM-A Synchronizer is a key component in power generation systems that involve paralleling generators. It ensures a smooth and safe transition when connecting two power sources, preventing damage that could be caused by an abrupt connection.

• Automatic Synchronization: The primary function is to automatically synchronize a generator to a live bus. It adjusts the generator’s speed and phase angle to match the bus frequency and phase.
• Compatibility: This module is compatible with other Woodward units, such as the 2301, 2301A, EPG, and 2500 series controls. It works by sending raise/lower speed signals to the generator’s governor.
• Operating Modes: The unit has several selectable operating modes, including OFF, RUN, CHECK, and PERMISSIVE. This allows for flexible control depending on the specific application needs.
• No Voltage Matching: A key characteristic of the 9907-028 is that it does not include voltage matching capabilities. It’s designed to handle only speed and phase, and it requires that the voltages of the generator and the bus are already matched within a specific tolerance before it allows breaker closure.

Technical Specifications