{"product_id":"9907-028-woodward-spm-a-speed-and-phase-synchronizer","title":"9907-028 Woodward SPM-A Speed and Phase Synchronizer","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward 9907-028\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog-based synchronization module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSPM-A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eline, designed to provide automatic\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efrequency\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ephase matching\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor engine-generator sets. It generates a corrective bias signal to the speed governor, ensuring that the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecircuit breaker\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecloses only when the generator and bus are within safe limits, preventing mechanical stress and electrical surges.\u003c\/p\u003e\n\u003cp\u003eAs a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSpeed and Phase Matching (SPM)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9907-028\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ealigns the temporal relationship of the sine waves between the generator and bus. Known for its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edurability\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein extreme environments, it features an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eanalog architecture\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epreferred for its reliability in legacy systems and immunity to digital software complexities.\u003c\/p\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9907-028\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSPM-A (Synchronizer Package – Analog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual-tap 115\/230 VAC RMS (Configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz Compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePhase Angle Window\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed\/Adjustable to ±10° for breaker closure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Matching Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (Focus on speed and phase only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤5 W (Ultra-low efficiency)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-45°C to +70°C (-49°F to +158°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Dimensions\u003c\/strong\u003e\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\u003e\u003cstrong\u003ePhysical Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.71 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9907-028\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely used in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estandby power plants\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emarine auxiliary power systems\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eindustrial microgrids\u003c\/strong\u003e. It is the preferred choice for paralleling\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ediesel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egas engines\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein systems where\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esimple\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003erobust\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efast phase-matching\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis needed without integrated voltage regulation.\u003c\/p\u003e\n\u003ch3\u003eEngineering FAQ\u003c\/h3\u003e\n\u003ch4\u003eDoes this unit adjust the generator's voltage?\u003c\/h4\u003e\n\u003cp\u003eNo, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9907-028\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eonly matches phase and speed. For\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eautomatic voltage matching\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(AVM), a different\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSPM-A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evariant or a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edigital SPM-D\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit is needed.\u003c\/p\u003e\n\u003ch4\u003eCan the phase angle window be adjusted tighter than 10 degrees?\u003c\/h4\u003e\n\u003cp\u003eThe nominal window is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e±10°\u003c\/strong\u003e, but\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einternal potentiometers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallow fine-tuning to match the response time of your specific circuit breaker for seamless contact closure.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":48746763976956,"sku":"9907-028","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/9907-0282.jpg?v=1772175918","url":"https:\/\/www.electronicplc.com\/products\/9907-028-woodward-spm-a-speed-and-phase-synchronizer","provider":"Electronic PLC","version":"1.0","type":"link"}