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Leroy Somer AVR

 


ORIGINAL

ORIGINAL REPLACEMENT

Leroy Somer R241A AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R241A AVR
Supply to AVR is shunt or separate. It acts as a chopper (FET controlled) and has a double action (with reversal of output current). It is very fast (less than 5 ms detection time) and very accurate (±1%). EMI filters are built-in (suppresssion according VDE 0875 classK). According to more severe regulations (émission, suceptibility) the AVR may be supplied in a shielded box with a plug connector It is totally encapsulated and designed to be installed in a ventilated panel (ambient ≤ 65 °C), (see outline draving page 9). Rated heat rejection : 35 W ...Continue >>
 

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Leroy Somer R725A AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R725A AVR
The additionnal Module R 725A enables to operate the following automatic voltage regulators (the 1ST FUNCTION being VOLTAGE REGULATION) into a so said "3 FUNCTIONS" regulation system : . the 2nd FUNCTION being the POWER FACTOR ("COS") REGULATION, using an additionnal C.T., when the alternator is paralleling with the mains. The 3rd FUNCTION being the BALANCE (EQUALIZATION) OF VOLTAGES before paralleling (U = U) which is generally realised by a synchronizer controlling the remote voltage trimmer of the automatic voltage regulator. ...Continue >>
 

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Leroy Somer RS128-0 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  RS128-0 AVR
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Leroy Somer R181 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R181 AVR
This product has been discontinued by the manufacturer. ...Continue >>
 

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Leroy Somer R231 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R231 AVR
R 231 voltage regulator operates with a dedicated single phase shunt alternator. The regulator monitors the exciter excitation current according to the alternator out put voltage. ...Continue >>
 

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Leroy Somer R734 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R734 AVR
The R 734 optional three phase sensing module is designed to be used with the R 438, R 448, R 449, R452 single phase sensing voltage regulators. The module R 734 has an additionnal function compared to module R 731 : it has a 3 phase current sensing/ quadrature droop which enables it paralleling with highly unbalanced loads (i.e. mainly consisting in single phase loads connected line to neutral). ...Continue >>
 

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Leroy Somer R212 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R212 AVR
The 200 series regulators are shunt regulators, that is they tap off field current from the alternator, which control the voltage or the cost of the alternator by adjusting the field current in the exciter field coil. They can operate alone or with a short circuit corrector, also called a parallel booster in the event that a short circuit current is necessary or when large auxiliaries need to be started. They are completely encapsulated and are suitable for fitting inside or outside the machine. ...Continue >>
 

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Leroy Somer R222 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R222 AVR
The 200 series regulators are shunt regulators, that is they tap off field current from the alternator, which control the voltage or the cost of the alternator by adjusting the field current in the exciter field coil. They can operate alone or with a short circuit corrector, also called a parallel booster in the event that a short circuit current is necessary or when large auxiliaries need to be started. They are completely encapsulated and are suitable for fitting inside or outside the machine. ...Continue >>
 

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Leroy Somer R251 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R251 AVR
The SHUNT excitation alternator is auto excited with a R 251 voltage regulator. The regulator controls the excitation current according to the alternator’s output voltage. With a very simple conception, the SHUNT excitation alternator does not have a short circuit capacity. The R 251 is a R 250 with a specific excitation ceiling = 4 A during 30 s (set for the dedicated single phase alternator with type M or M1). ...Continue >>
 

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Leroy Somer R610 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R610 AVR
The AVR model R610 is composed of electronic cards which are included in a half rack 19" . An empty slot located on the left of the rack allows future optional cards to be added without any internal wiring modification. The rear flat cable (BUS 64 points) is given more long as it can be connected to an optional interface terminal block which gives all the internal test points or in the future the possibility to connect another rack if the cards number will become too important. ...Continue >>
 

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Leroy Somer R729 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R729 AVR
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Leroy Somer RS128-A AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  RS128-A
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Leroy Somer R600 AVR AUTOMATIC VOLTAGE REGULATOR

Leroy Somer  R600 AVR
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