WOODWARD 9905-003 SPM-A Synchronizer

Model 9905-003

WOODWARD ⇒ USA ⇒ SPM-A Synchronizer 

The SPM-A Synchronizer biases the speed of an off-line generator set so that the frequency and phase match those of another generator or the utility bus. Then it automatically issues a contact closure signal to close the circuit breaker between the two when frequency and phase are matched within limits for a specified match-up time.

The SPM-A is a phase-locked-loop synchronizer and strives for a perfect match of frequency and phase. The SPM-A Synchronizer with voltage matching generates additional raise and lower signals (relay contact closures) to the generator's voltage regulator. Voltages must match within the SPM-A's tolerance before breaker closure occurs.

For single-unit synchronization, installation of one synchronizer on each generator allows each unit to be individually paralleled to the bus. For multipleunit synchronization, one synchronizer can synchronize up to seven paralleled generator units simultaneously to another bus.

Both synchronizers versions have three output options: high impedance, low impedance, and EPG. Select the high impedance output for single-unit synchronization when the engine is controlled by a Woodward 2301 control. Select the low impedance output for single-unit synchronization when the engine is controlled by a Woodward 2301A, 2500, or Electrically Powered Governor (EPG) control through a Generator Load Sensor. Use the EPG output when using a Woodward EPG control without load sensing. Both units have the following features:

120 or 208/240 Vac input

l 10 degree phase window

l 1/8, 1/4, 1/2, or 1 second dwell time (internally switch selectable, factory set for 1/2 second)

The SPM-A Synchronizer with voltage matching has a 1% voltage match as standard.

FAQ

Q1: How does the WOODWARD 9905-003 optimize precision engine speed regulation across dynamic load fluctuations in industrial power generation systems?
The WOODWARD 9905-003 is engineered to deliver highly accurate speed control by continuously monitoring engine performance and making rapid corrective adjustments. Its advanced governor architecture minimizes speed deviation, enhances transient response, and ensures stable operation under varying load conditions.

Q2: Why is the WOODWARD 9905-003 considered a dependable electronic governor for mission-critical diesel and gas engine applications?
The WOODWARD 9905-003 incorporates robust electronic control technology that provides reliable engine speed management, high operational stability, and long-term durability. Its design supports continuous industrial service while maintaining consistent performance in demanding environments.

Q3: What configuration capabilities distinguish the WOODWARD 9905-003 when integrating with diverse prime mover control systems?
The WOODWARD 9905-003 offers flexible parameter adjustment and compatibility with multiple actuator and engine configurations. This adaptability enables seamless integration into various generator sets, compressors, pumps, and industrial engine applications requiring precise governor control.

Q4: Which performance characteristics of the WOODWARD 9905-003 contribute to enhanced system stability during transient operating events?
The WOODWARD 9905-003 features rapid control-loop response, excellent speed regulation accuracy, and optimized dynamic compensation. These characteristics reduce overshoot, improve recovery time following sudden load changes, and maintain dependable engine stability.

Q5: How can the WOODWARD 9905-003 improve operational efficiency and maintenance reliability in industrial engine control environments?
By providing precise electronic speed regulation, consistent control performance, and dependable long-term operation, the WOODWARD 9905-003 helps reduce unnecessary mechanical stress, supports efficient engine operation, minimizes downtime, and contributes to lower overall maintenance requirements.

If you NEED other PLC DCS products, please Contact us NOW !

Miya zheng (sales manager)

Email : sales@amikon.cn

WeChat : 86-18020776792

MobilePhone/WhatsApp : 86-18020776792

Recommended