{"title":"Automatic Voltage Regulator","description":null,"products":[{"product_id":"m16fa655a-generator-auto-voltage-regulator-avr-automatic-voltage-regulator-avr","title":"M16FA655A Generator Auto Voltage Regulator AVR Automatic Voltage Regulator AVR","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eREGULATION ACCURACY +\/-0.5% rated steady state conditions\u003c\/li\u003e\n\u003cli\u003eVOLTAGE DRIFT: voltage change, for 50°C Tamb change\u003c\/li\u003e\n\u003cli\u003eRESPONSE TIME: 1 cycle\u003c\/li\u003e\n\u003cli\u003eOPERATING TEMPERATURE: -30 °C +70 °C\u003c\/li\u003e\n\u003cli\u003eEXCITER FIELD RESISTANCE: 8 Ω (min) -20 Ω (max)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221285994566,"sku":"B07YY3492W","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/51oMeA-DaDL.jpg?v=1748494086"},{"product_id":"avr-avc63-12b2-400hz-diesel-engine-automatic-voltage-regulator-genset-parts","title":"AVR AVC63-12B2 400Hz Diesel Engine Automatic Voltage Regulator Genset Parts","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe AVC63-12B2 regulate the level of excitation supplied to the field of a conventional, brushless, synchronous generator. Regulation is achieved by sensing the generator output voltage, converting it to a dc signal, and comparing the signal to a reference voltage.\u003c\/li\u003e\n\u003cli\u003eAn error signal is developed and used to control the dc field power in order to maintain a constant generator output. Each regulator includes frequency compensation with selectable slope, inverse-time overexcitation shutdown, buildup circuitry, single- or three-phase voltage sensing, single-or three-phase shunt or permanent magnet generator (PMG) power input, parallel droop compensation, and an accessory input.\u003c\/li\u003e\n\u003cli\u003eThe accessory input provides compatibility with devices such as var\/power factor controllers or excitation limiters.\u003c\/li\u003e\n\u003cli\u003eFrequency:400HZ\u003c\/li\u003e\n\u003cli\u003eSensing: 220VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e  \u003cbr\u003e\u003cstrong\u003eSpecification：\u003c\/strong\u003e\u003cbr\u003eThe AVC63-12B2  regulate the level of excitation supplied to the field of a conventional, brushless, synchronous generator.\u003c\/p\u003e\n\u003cp\u003eRegulation is achieved by sensing the generator output voltage, converting it to a dc signal, and comparing the signal to a reference voltage.\u003cbr\u003eAn error signal is developed and used to control the dc field power in order to maintain a constant generator output.\u003c\/p\u003e\n\u003cp\u003eEach regulator includes frequency compensation with selectable slope, inverse-time overexcitation shutdown, buildup circuitry, single- or three-phase voltage sensing, single-or three-phase shunt or permanent magnet generator (PMG) power input, parallel droop compensation, and an accessory input.\u003c\/p\u003e\n\u003cp\u003eThe accessory input provides compatibility with devices such as var\/power factor controllers or excitation limiters.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures：\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eFrequency:400HZ\u003cbr\u003e\u003cbr\u003eSensing: 220VAC\u003cbr\u003e\u003cbr\u003eOutput: 12A\/63V\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221286092870,"sku":"B07YXZVRYQ","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/616jyj0UYVL.jpg?v=1748494171"},{"product_id":"avr-r438-automatic-voltage-regulator-generator-parts","title":"AVR R438 Automatic Voltage Regulator Generator Parts","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eR438 Permanent Magnet Generator or A.R.E.P or Auxiliary Winding type generator voltage regulator is a compatible replacement for Leroy Somer R448, R449, R438, and AEM110RE016 and also Olympian FG Wilson 922 124.\u003c\/li\u003e\n\u003cli\u003eWith the AREP excitation system the R438 AVR is powered by two auxiliary windings which are independent of the voltage detection circuit.With the PMG option the R438 AVR is powered by the PMG which is fitted ar the rear end of the generator.\u003c\/li\u003e\n\u003cli\u003eFrequency: 50-60Hz\u003c\/li\u003e\n\u003cli\u003eVoltage input: 40-50VAC, 3 phase\u003c\/li\u003e\n\u003cli\u003eCurrent: max 8A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e The circuitry of the R438 Automatic Voltage Regulator (AVR) provides closed loop contro of the generator output voltage by regulatin exciter field current,R438 can be powered by EREP or PMG field excitation system and fitted as an option on:\u003cbr\u003e-100series generators\u003cbr\u003e-200series generaotors\u003cbr\u003e-300series generators\u003cbr\u003eWith the AREP excitation system the R438 AVR is powered by two auxiliary windings which are independent of the voltage detection circuit.With the PMG option the R438 AVR is powered by the PMG which is fitted ar the rear end of the generator.\u003cbr\u003eVoltage Regulation \u0026lt; ±0.5%\u003cbr\u003eLoad Acceptance Module (LAM)\u003cbr\u003e50\/60 Hz Selectable\u003cbr\u003eUnder Frequency \u0026amp; Exc. Max Protection\u003cbr\u003eSingle Phase Or Three Phase Voltage Sensing Optional\u003cbr\u003eSoft Start Voltage Ramping\u003cbr\u003eNormal Rapid Response Time (Option)\u003cbr\u003eVoltage Sensing: terminal 0-110V=95-140V\u003cbr\u003eterminal 0-220V =170-260V\u003cbr\u003eterminal 0-380V=340-520V\u003cbr\u003eFrequency: 50-60Hz\u003cbr\u003eVoltage input: 40-50VAC, 3 phase\u003cbr\u003eHarmpnic auxiliary winding :6-150VAC (no-load rms)\u003cbr\u003eOutput:\u003cbr\u003eVoltage: max 160VDC at 120VAC input\u003cbr\u003eCurrent: max 8A\u003cbr\u003eResistance:15 Ω minimum\u003cbr\u003eRegulation:+\/-5% RMS with 4% engine governing\u003cbr\u003eVoltage establish:residual voltage at avr terminal≥ 5AC\u003cbr\u003eExternal Voltage Adustament:+\/-10% with 1k ohm 1 watt trimmer\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221286125638,"sku":"B07YXW4VV2","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61bpj8dBqXL.jpg?v=1748494183"},{"product_id":"r450t-automatic-voltage-regulator-generator-parts-three-phase-brushless-avr","title":"R450T Automatic Voltage Regulator Generator Parts Three Phase Brushless AVR","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eR450T AVR is powered by two auxiliary windings which are independent of the voltage equal circuit.\u003c\/li\u003e\n\u003cli\u003eThe power supply voltage is rectified and filtered before being used by the AVR monitoring transistor.\u003c\/li\u003e\n\u003cli\u003eWith PMG excitation, a permanent magnet generator (PMG) added to the alternator supplies the AVR with voltage.\u003c\/li\u003e\n\u003cli\u003eVoltage：230± 2V\u003c\/li\u003e\n\u003cli\u003eSingle or three phase voltage sensing with optional module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e Description\u003cbr\u003e\u003cbr\u003eOn Application of load, the rotation speed of the generator set deceases, when it passes below the preset frequency threshold the LAM causes the voltage to drop by approximately13% or 25% and consequently the quantity of active load applied is reduced by approximately 25% to 45%, until the speed reaches its rated value again. Hence the LAM can be used either to reduce the speed variation (frequency) and its duration for a given applied load, or to increase the applied load probable for one speed variation (turbo-charged engine).\u003cbr\u003e1. Load acceptance module, PMG \/ AREP excitation system\u003cbr\u003e2. Phase to phase voltage sensing.\u003cbr\u003e3. Suitable for high levels of vibration and harsh environments\u003cbr\u003eMain characteristics:\u003cbr\u003eVoltage regulation +\/- 0.5% at steady state and constant speed.\u003cbr\u003eControl by transistor means that the regulation quality is independant of applied load.\u003cbr\u003ePhase to phase voltage sensing.\u003cbr\u003eSuitable for high levels of vibration and harsh environments.\u003cbr\u003eIntegrated \"LAM\" and \" auto adaptative LAM\" system to cope with load impacts applied to the engine\u003cbr\u003eAREP or PMG excitation with normal or fast response.\u003cbr\u003eSingle or three phase voltage sensing with optional module.\u003cbr\u003eRotating switch facilitating selection.\u003cbr\u003eVoltage Steady Range ± 1V\u003cbr\u003eStarting Excitation Voltage ≥1.5V\u003cbr\u003eLoading Capacity With 110% loading, the regulator can work normally\u003cbr\u003eOutput Voltage Steady on hot and cool condition ≤2V\u003cbr\u003eTemperature float on Output Vol\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221287043142,"sku":"B08G1GGTVD","price":283.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61jgJPbZBzL.jpg?v=1748494415"},{"product_id":"avr-r448-automatic-voltage-regulator-r448-avr-voltage-adjustment-generator-parts","title":"AVR R448 Automatic Voltage Regulator R448 AVR Voltage Adjustment Generator Parts","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe circuitry of the R448 Automatic Voltage Regulator (AVR) provides closed loop control of the alternator output voltage by regulating the exciter field current.\u003c\/li\u003e\n\u003cli\u003eThe primary winding has a voltage in ratio to that of the alternator (characteristic shunt), the next has a voltage in proportion to the stator current (compound characteristic: booster effect).\u003c\/li\u003e\n\u003cli\u003eThe power supply voltage is rectified and filtered before being used by the AVR monitoring transistor. With PMG excitatioin, a permanent magnet generator (PMG) added to the alternator supplies the AVR with voltage which is free of the main alternator winding.\u003c\/li\u003e\n\u003cli\u003eThis is built-in at the rear of the machine and connected to the R448 AVR, and the ST9 jumper must be disconnected.\u003c\/li\u003e\n\u003cli\u003eInput voltage: 70-140V AC, (PMG, or auxiliary winding, single, three phases)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e*Quadrature droop adjustment\u003cbr\u003e*AVR Voltage adjustment\u003cbr\u003e*Stability adjustment\u003cbr\u003e*LAM Threshold (underspeed) adjustment\u003cbr\u003e*Excitation ceiling adjustment\u003cbr\u003e*Selection of single phase or three phase*\u003cbr\u003e*voltage sensing\u003cbr\u003e*Selection of normal or rapid response time\u003cbr\u003e*50 Hz or 60 Hz frequency option\u003cbr\u003e*Remote voltage adjustment option\u003cbr\u003e*LAM enable\/disable option\u003cbr\u003e*Alternator frame selection\u003cbr\u003e*Excitation system selection\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eSpecificaion\u003c\/strong\u003e\u003cbr\u003eInput voltage: 70-140V AC, (PMG, or auxiliary winding, single, three phases)\u003cbr\u003eReaction is measured : 90-480V AC\u003cbr\u003eMAX. output :DC 10A 125V\u003cbr\u003eFunction: Built-in low-speed , over excitation LAM,\u003cbr\u003eREGULATION: +\/-0.5%\u003cbr\u003eVoltage regulation ± 0.5%\u003cbr\u003eRemote voltage adjustment range ± 5%\u003cbr\u003eShort circuit capability 3 x Irated for 10 seconds\u003cbr\u003eVoltage sensing 95 to 140 volts (50\/60 Hz)\u003cbr\u003e170 to 260 volts (50\/60 Hz)\u003cbr\u003e340 to 520 volts (50\/60 Hz)\u003cbr\u003eResponse time Normal (1 sec) for ± 20% voltage variation\u003cbr\u003eRapid (0.3 sec) for ± 20% voltage variation\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221287075910,"sku":"B08G1F39CX","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61rC9NwJTaL.jpg?v=1748494426"},{"product_id":"avr-r449-automatic-voltage-regulator-generator-parts","title":"AVR R449 Automatic Voltage Regulator Generator Parts","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic Voltage Regulator R449 R replaces Leroy Somer R449.\u003c\/li\u003e\n\u003cli\u003eVoltage regulation +\/- 0.5 % at steady state and constant speed.\u003c\/li\u003e\n\u003cli\u003eTwo phase voltage sensing.\u003c\/li\u003e\n\u003cli\u003eControl by transistor means the regulation quality is independant of load applied.\u003c\/li\u003e\n\u003cli\u003eIntegrated \"LAM\" system to cope with increased loads applied to the engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e \u003cbr\u003e\u003cbr\u003e Automatic Voltage Regulator R449 R replaces Leroy Somer R449.\u003cbr\u003ePART NUMBERS THE R449 R CAN REPLACE\u003cbr\u003e- LEROY SOMER R449 AVR\u003cbr\u003e- R449 LS\/A\u003cbr\u003e- R449 LS\/B\u003cbr\u003e- R449 LS\/C\u003cbr\u003e- LEROY SOMER AEM220RE010\u003cbr\u003e \u003cbr\u003e\u003cstrong\u003eGeneral Characteristics\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u0026gt; Voltage regulation +\/- 0.5 % at steady state and constant speed.\u003cbr\u003e\u0026gt; Two phase voltage sensing.\u003cbr\u003e\u0026gt; Control by transistor means the regulation quality is independant of load applied.\u003cbr\u003e\u0026gt; Integrated \"LAM\" system to cope with increased  loads applied to the engine\u003cbr\u003e\u0026gt; Suitable for high levels of vibration and harsh environments.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221351956550,"sku":"B08G1BSCVP","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61R8DLTOtSL.jpg?v=1748498803"},{"product_id":"k65-12b-generator-automatic-voltage-regulator-avr-for-diesel-generators-spare-parts","title":"K65-12B Generator Automatic Voltage Regulator AVR For Diesel Generators Spare Parts","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSENSING\/POWER INPUT Voltage: 180-520VAC, 1 or 3phase\u003c\/li\u003e\n\u003cli\u003eMAGNETIC FIELD OUTPUT Voltage Max 125VDC at 220 VAC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eProduct Description\u003cbr\u003eGenerator Spare Part Automatic Voltage Regulator AVR K65-12B is a half-wave phase controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes under speed and sensing loss protection to ensure safe, reliable control of the generator. Positive voltage build up from residual levels is ensured by the use of proficient semiconductors in the power circuitry of the AVR. Which is linked with the main stator windings and the exciter field windings to offer closed loop control of the output voltage with load regulations of +\/- 1.5%\u003cbr\u003e\u003cbr\u003eProduct Name\u003cbr\u003eK65-12B\u003cbr\u003eSENSING\/POWER INPUT\u003cbr\u003eVoltage\u003cbr\u003e180-520VAC, 1 or 3phase\u003cbr\u003eMAGNETIC FIELD OUTPUT\u003cbr\u003eVoltage\u003cbr\u003eMax 125VDC at 220 VAC\u003cbr\u003eCurrent\u003cbr\u003eContinuous 12A, Intermittent 25A for 10 seconds\u003cbr\u003ePRESSURE REGULATING ACCURACY\u003cbr\u003e\u0026lt;+\/0.05%RMS with 4% engine governing\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221354971206,"sku":"B081H2LGB2","price":197.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61aMcdrS_LL.jpg?v=1748499217"},{"product_id":"avr-r450m-3-phase-automatic-voltage-regulator-generator-parts","title":"AVR R450M 3 Phase Automatic Voltage Regulator Generator Parts","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3 phase Automatic Voltage Regulator\u003c\/li\u003e\n\u003cli\u003eAutomatic Voltage Regulator\u003c\/li\u003e\n\u003cli\u003eVoltage:95-480VAC, 3 phase\u003c\/li\u003e\n\u003cli\u003eVoltage :Max 160VDC at 120VAC input\u003c\/li\u003e\n\u003cli\u003eCurrent:Max 10A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e AVR R450M 3 phase Automatic Voltage Regulator For Brush Generator\u003cbr\u003e\u003cbr\u003e3 phase Automatic Voltage Regulator For Brush Generator AVR Circuit Diagram R450M is a half-wave phase controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes under speed and sensing loss protection to ensure safe, reliable control of the generator. Positive voltage build up from residual levels is ensured by the use of proficient semiconductors in the power circuitry of the AVR. Which is linked with the main stator windings and the exciter field windings to offer closed loop control of the output voltage with load regulations of +\/- 1.5%\u003cbr\u003e\u003cbr\u003eProduct Name:R450M\u003cbr\u003eVoltage:95-480VAC, 3 phase\u003cbr\u003eVoltage :Max 160VDC at 120VAC input\u003cbr\u003eCurrent:Max 10A\u003cbr\u003ePRESSURE REGULATING ACCURACY:\u0026lt;+\/0.05%RMS with 4% engine governing\u003c\/p\u003e\n\u003cp\u003eMina\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221405106246,"sku":"B08GC5TJ6Y","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61HZWNfKC5L.jpg?v=1748505934"},{"product_id":"avr-mx341-automatic-voltage-regulator-for-brushless-generator","title":"AVR MX341 Automatic Voltage Regulator for Brushless Generator","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStability selection \u0026amp; adjustment\u003c\/li\u003e\n\u003cli\u003eUnder frequency roll off adjustment\u003c\/li\u003e\n\u003cli\u003eAVR MX341 is a two phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brushless generator.\u003c\/li\u003e\n\u003cli\u003eDroop adjustment\u003c\/li\u003e\n\u003cli\u003eOver excitation adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e MX341 Generator AVR\u003cbr\u003eTECHNICAL DATA:\u003cbr\u003eSENSING INPUT\u003cbr\u003eVoltage 190-264V ac max, 1 phase, 2 wire\u003cbr\u003eFrequency 50-60 Hz nominal\u003cbr\u003ePOWER INPUT (PMG)\u003cbr\u003eVoltage 140-220V ac max, 3 phase, 3 wire\u003cbr\u003eCurrent 3A\/phase\u003cbr\u003eFrequency 100-120 Hz nominal\u003cbr\u003eOUTPUT\u003cbr\u003eVoltage max 120V dc\u003cbr\u003eCurrent continuous 3.7 A\u003cbr\u003eIntermittent 6A for 10 secs.\u003cbr\u003eResistance 15 ohms minimum\u003cbr\u003eREGULATION +\/- 1%\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMina\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221483388998,"sku":"B08QMS3VCP","price":107.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61dP9go_c5L.jpg?v=1748512077"},{"product_id":"avr-sx460-generator-automatic-voltage-regulator-half-wave-phase-controlled","title":"AVR SX460 Generator Automatic Voltage Regulator Half Wave Phase-Controlled","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSX460 is a half wave phase-controlled thyristor type Automatic Voltage Regulator (AVR)\u003c\/li\u003e\n\u003cli\u003eINPUT:Voltage jumper selectable 95-132V ac or 190-264V ac\u003c\/li\u003e\n\u003cli\u003eFrequency 50-60 Hz nominal\u003c\/li\u003e\n\u003cli\u003eOUTPUT:Voltage max 90V dc at 207V ac input\u003c\/li\u003e\n\u003cli\u003eOUTPUT:Current continuous 4 A dc\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e SX460 is a half wave phase-controlled thyristor type Automatic Voltage Regulator (AVR)\u003cbr\u003e\u003cbr\u003eINPUT\u003cbr\u003e\u003cbr\u003eVoltage jumper selectable 95-132V ac or 190-264V ac\u003cbr\u003e\u003cbr\u003eFrequency 50-60 Hz nominal\u003cbr\u003e\u003cbr\u003eOUTPUT\u003cbr\u003e\u003cbr\u003eVoltage max 90V dc at 207V ac input\u003cbr\u003e\u003cbr\u003eCurrent continuous 4 A dc\u003cbr\u003e\u003cbr\u003eintermittent 6A for 10 secs\u003cbr\u003e\u003cbr\u003eResistance 15 ohms minimum\u003cbr\u003e\u003cbr\u003eRegulation +\/- 1.0% (with 4% engine governing)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMina\u003c\/b\u003e\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221487157318,"sku":"B08PF1X2GV","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61w_CCIFBFL.jpg?v=1748512309"},{"product_id":"avr-sx440-automatic-voltage-regulators-for-generator-for-brush-less-generator","title":"AVR SX440 Automatic Voltage Regulators For Generator for Brush-less Generator","description":"\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator. In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals.\u003c\/li\u003e\n\u003cli\u003ePositive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR. The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +\/-0.5%.\u003c\/li\u003e\n\u003cli\u003eIn addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.\u003c\/li\u003e\n\u003cli\u003eA frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO). This can easily be changed to 50 or 60 Hz in the field by push-on link selection.\u003c\/li\u003e\n\u003cli\u003eProvision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDetails:\u003c\/b\u003e Input:\u003cbr\u003eVoltage:170-250V ac max\u003cbr\u003e Frequency:50-60 Hz nominal\u003cbr\u003e Phase:1\u003cbr\u003eOutput :\u003cbr\u003eVoltage :Max 90V dc at 207V ac input\u003cbr\u003e Current: Continuous 4 A dc\u003cbr\u003e Resistance: 15 ohms minimum\u003cbr\u003e\u003cbr\u003eRegulation: +\/-1.0%\u003cbr\u003eThermal Drift: (after 10 min) 1% for 40 C change in AVR ambient\u003cbr\u003e\u003cbr\u003eTypical system response :\u003cbr\u003eAVR response :20ms\u003cbr\u003e Filed current to 90%: 80 ms\u003cbr\u003e Machine Volts to 97% :300ms\u003cbr\u003eExternal voltage adjustment:+\/-8% with 1 k ohm 1 watt trimmer\u003cbr\u003eUnder frequency protection:\u003cbr\u003eSet point:95% Hz\u003cbr\u003eSlope:170% down to 30 Hz\u003cbr\u003e\u003cbr\u003eUnit power dissipation :12 watts maximum\u003cbr\u003eBuild up voltage:3.5 Vac @ AVR terminals\u003cbr\u003e\u003cbr\u003eEnvironmental\u0026amp;QUADRATURE DROOP SENSITIVITY:\u003cbr\u003eMaximum sensitivity (10 Ohm Burden):0.07A for 5% droop @ 0p. F.\u003cbr\u003e\u003cbr\u003eACCESSORY INPUT:+\/- 1V = +\/- 13% change in output volts\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMina\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43221487255622,"sku":"B08PD63RP4","price":103.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/61KPqT_UPOL.jpg?v=1748512324"},{"product_id":"avr-avc63-12a2-automatic-voltage-regulator-400hz-3-phase-generator-parts","title":"AVR AVC63-12A2 Automatic Voltage Regulator 400HZ 3 Phase Generator Parts","description":"\u003cp\u003e\u003cspan\u003eThe AVC63-12A2 regulate the level of excitation supplied to the field of a conventional, brushless, synchronous generator. Regulation is achieved by sensing the generator output voltage, converting it to a dc signal, and comparing the signal to a reference voltage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn error signal is developed and used to control the dc field power in order to maintain a constant generator output. Each regulator includes frequency compensation with selectable slope, inverse-time overexcitation shutdown, buildup circuitry, single- or three-phase voltage sensing, single-or three-phase shunt or permanent magnet generator (PMG) power input, parallel droop compensation, and an accessory input.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe accessory input provides compatibility with devices such as var\/power factor controllers or excitation limiters.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eSensing: 110VAC\u003cbr\u003eOutput: 12A\/65V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrequency:400HZ\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eYing\u003c\/p\u003e","brand":"Graigar","offers":[{"title":"Default Title","offer_id":43259165769798,"sku":"B0CKVQJVSG","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/5917\/3958\/files\/51Gr_r7UeRL.jpg?v=1749023615"}],"url":"https:\/\/www.graigartech.com\/id\/collections\/automatic-voltage-regulator.oembed","provider":"Shenzhen Graigar Technology Co.,Ltd.","version":"1.0","type":"link"}