Generator AVR R150 R180 R230 R250 R438 R448 R449 R450 Digital Automatic Voltage Regulator Stabilizer
| Customization: | Available |
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| Conditions of Use: |
Generator |
| Usage: | Generator |
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R250 AVR controls the excitation current according to the alternator's output voltage. With a very simple conception, the shunt excitation alternator is auto excited with a R250 and excitation alternator does not have a short circuit capacity, voltage regulation: around ±0.5%.
AVR R230 (part number:LSR790-049) is a half-wave phase controlled thyristor type Auto Voltage Regulator and forms part of the excitation system for a brushless generator.
R438-for power generator R438 is a half-wave phase controlled thyristor type Auto Voltage Regulator and forms part of the excitation system for a brushless generator.AVR for power generator 3phase R438 is a half-wave phase controlled thyristor type Auto Voltage Regulator and forms part of the excitation system for a brushless generator.
R120-Automatic Voltage Regulator R120 sensing Input 120V or 240V
R120 self excited brushless type genset voltage regulator is a compatible replacement for Leroy Somer Series R120.
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R250
| Voltage regulation | Around ± 0.5 % |
| Supply range | 85 to 139 V |
| Potentiometer for voltage setting | 1000Ω /0.5W min. setting range ±5% |
| Operating at 50 Hz | Threshold at 48 Hz without LAM forimpactsbetween 30 and 40% of the rated Load |
| Threshold at 48 Hz with LAM 13% forimpacts between 40 and 70% of the rated Load. |
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| Threshold at 48 Hz with LAM 25% for impacts > 70% of the rated load | |
| Operating at 60 Hz | Threshold at 58 Hz without LAM forimpacts between 30 and 40% of the Rated load |
| Threshold at 58Hz with LAM 13% for impacts 40 and 70% of the rated load | |
| Threshold at 58Hz with LAM 25% for impacts > 70% of the rated load | |
| Specific operating | Threshold at 57Hz without LAM for speed variations at a steady state > 2 Hz |
| Threshold at 65Hz without LAM for speed and tractelec / gearlec (U/F gradient) | |
| Special: the factory setting 48Hz 2U/F gradient; a special programme is Possible on request. |
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| Threshold at 47.5 Hz without LAM for speed variations at a steady state > 2 Hz |
R230
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