Voltage Regulator AVR R150 for Leroy Somer

Voltage Regulator AVR R150 for Leroy SomerPart Number:Leroy Somer Voltage Regulator 5014127Leroy Somer Voltage Regulator 40022682Applications:The R150 is used on the following Leroy Somer Alternators:TAL046 A, TAL046 B, TAL046 C, TAL046 D, TAL046 E, TAL046 F, TAL046 G, TAL046 H, TAL046 JTAL047 A, TAL047 B, TAL047 C, TAL047 D, TAL047 E, TAL047 FTAL049 B, TAL049 C, TAL049 D, TAL049 ESpecification:1) Sensing input- Voltage: 240 V AC ±10% for 1 phase, 380 V up to 480 V AC ±10% for 3 phase, 2 line sensing AVR Senses true average of the line to line waveform. Use Resistor (SMD) network for trouble free sensing & control of sensed voltage / regulation.2) Input power- Voltage: 415V for 3 phase and 240V for 1 phase- Frequency: 50/60 Hz3) Output power- Voltage: 105 V DC at 240V AC Input- Current: • 6 Amps DC Continuous • 8 Amps for 30sec. (when allowed by field resistance)4) Operating temperature: -20ºC to +70ºC5) Storage temperature: -40ºC to +80ºC6) Voltage adjustment: min ± 10% of rated voltage.7) Stability adjustment: adjustable to get Steady state Stability good transient response.8) Remote Voltage adjustment: to get ±10% of set terminal voltage (with 2W / 2.5W , 1 Watt pot).9) Droop for parallel operation: 4% droop for 5 Amps from «U» phase.10) Auxiliary input A1 & A2: ±4.5V DC will give change in terminal voltage by ±10%.11) Under frequency roll - off adjustment: available below 46 Hz for 50 Hz & below 56 Hz for 60 Hz.12) Voltage Build up: ≥ 2 Volts (L-N)13) Voltage regulation: ± 0.8% at AVR terminals.14) Thermal drift: ± 1% for 30º C change in temperature.15) Response time: less than 50 milli seconds.16) Closed loop response: typically 0.5sec to recover to 98% of the set voltage for a field forcing ratio of 1:2.17) Sense Loss protection: voltage should collapse, when the sensing circuit is open.18) Over excitation protection: 10V DC to 85V DC. Set point : 60 V DC19) Fuse for protection: 6 Amps, 240 Volts AC.20) All potentiometers: multi-turn except Droop pot (Droop-single turn)21) Sealing of Potentiometers: except V – trim pot all pots are sealed.22) Frequency roll off indicator: LED provided (UF).23) Sense Loss indicator: LED provided (SL).24) Over excitation indicator: LED provided (OE).25) Protection on the devices: Suitable R-C Snubber to be provided for the device used to protect this from surge.26) Potting/ Encapsulation Details: the components on the AVR should be completely encapsulated with suitable PU resin compound to absorb transients / vibrations while in operation.27) Excitation details of alternator: (typical)- Full load: • Excitation Voltage: 40 to 50 Volts • Excitation Current: 2.5 to 5.0 Amps28) Terminal marking: refer drawing29) AVR Testing: Burn in test, Thermal cycling, Static test, Voltage variation check, Build up test, FRO check, Stability check, QDC check, Remote voltage check, DC input voltage check.