{"product_id":"woodward-9907-175-load-sharing-module","title":"Woodward 9907-175 Load Sharing Module","description":"\u003cp\u003eConfigured for power management in generator control systems, the \u003cstrong\u003eWoodward 9907-175\u003c\/strong\u003e (\u003cstrong\u003eLoad Sharing Module\u003c\/strong\u003e) provides direct electrical execution of load distribution logic between paralleled power generation units and external speed controllers.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e9907-175\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWoodward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.08 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e273.6 mm x 214.1 mm x 59.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e18 to 32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePT Input Burden\u003c\/td\u003e\n\u003ctd\u003e1.5 - 1.7 VA (240 VAC) \/ 0.4 - 0.5 VA (120 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eActuator Loop Feedback Response and Load Management\u003c\/h3\u003e\n\u003cp\u003eThe 9907-175 module modulates actuator loop feedback response by processing three-phase potential transformer (PT) inputs to ensure stable load sharing across parallel-connected generators. The unit is engineered to interface with Caterpillar speed controllers via 0-5 VDC speed signal references, ensuring precise frequency and load matching. Integrated protective measures include under-voltage detection, overvoltage clamping above 80 VDC, and reverse voltage protection down to -32 VDC. Thermal dissipation must be managed by ensuring adequate airflow in the control cabinet; the module is rated for Category III environments with Pollution Degree 2, requiring installation away from high humidity or excessive dust accumulation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the 9907-175 compatible with Woodward SPM-A synchronizers?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The synchronization input circuitry on the 9907-175 is specifically designed to be compatible with Woodward SPM-A series synchronizers for seamless integration into multi-unit power generation arrays.\u003c\/p\u003e\n\u003cp\u003eQ: What are the primary electrical protection limits for the PT inputs?\u003c\/p\u003e\n\u003cp\u003eA: The three-phase PT inputs are designed for line-to-line operation at 100 to 240 VAC. Exceeding these voltage levels or operating outside the specified burden ranges can result in signal inaccuracies or internal damage to the sensing transformers.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Secure the module using the four corner mounting points on a flat, vibration-dampened surface. Ensure the beige chassis is grounded to the control cabinet common bus to prevent electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Utilize shielded twisted-pair cables for all low-voltage control signals, including the 0-5 VDC speed reference. Keep these lines physically isolated from high-power AC output cabling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePT Connections:\u003c\/strong\u003e Verify phase sequence and voltage levels at the PT inputs before energizing. Improper phase connections will lead to unstable load sharing and potential governor instability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Avoid installation locations prone to condensation or high dust concentrations, as the module's ingress protection is limited. Ensure the operating ambient temperature remains within -40 deg C to 70 deg C.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":53005177159989,"sku":"9907-175","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/9907-175.png?v=1781591936","url":"https:\/\/www.5gplc.com\/products\/woodward-9907-175-load-sharing-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}