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17  . SCHEMA DE PRINCIPE
         

(Sens de rotation horaire)

    

17 . 1 . Régulateur : R 438 LS ou R 448 + R 725A

17  . PRINCIPLE CONNECTION DIAGRAMS

         

 

(Direction of rotation : clockwise)

   17 . 1 . A.V.R. R 438 LS or R 448 + R 725A

16

Module R 725A

Module R 725A

°

°

°

°

RESEAU / MAINS

X2 

Z1

X1

Z2

E+

E-

0

220

380

50Hz

60Hz

R 438 LS

   ou

R 448

ST3

ST4

enlevé/removed

U = U

 3è fonction / 3 rd function

Précouplage / Synchronizing

ALTERNATEUR/ALTERNATOR

°

°

°

°

L1

UTILISATION / LOCAL USER

F2

F1

Inducteurs 

d'excitatrice

Exciter field

Bobinages auxiliaires AREP

Auxiliary windings

380

220

0

380

220

0

1   2   3  4  5   6  7  8   9  10

R 725A

U=U

Stab

Cos

ϕ

1   2   3  4  5   6  7  8   9  10

J1

J2

V

UW

°

°

°

°

L2

L3

°

°

°

°

Pot. Tension ext..  : 470 

Ω

Remote voltage  adjt

.

12

3

45

Références Tension Alternateur

Voltage sensing (Generator side)

T.I / C.T.

U Alt

P2

 R 438 LS ou/or R 448  

         +   R 725A

P1

Pot. cos 

ϕ

 ext. : 1000 

Ω

Remote P.F. adjt.

C1

C2

cos 

ϕ

Voir schéma interne

See internal connection diagram

    

S1

S2

LIMIT

S1

S2

1

A

P1

P2

P4

P3

U

V

Pour sens de rotation  standard ; sens horaire vu coté B.A.

For standard direction of rotation; clockwise seen from Drive End

S1

S2

8

9

10

400 V

100 V

0 V

R 725A / 100V

100V/Un

E+

W

V

E-

CALL US TODAY 

1-888-POWER-58

REQUEST A QUOTE 

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www.genpowerusa.com

CALL US TODAY 

1-888-POWER-58

REQUEST A QUOTE 

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SHOP ONLINE 

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Summary of Contents for R 725A

Page 1: ...Alimentation Supply U U C1 C2 UR UA S1 UR UA Cos Cos P1 U U P2 ND MEM ON OFF S2 S1x S2 REGULATEUR A V R Tension Voltage Rhe 470 SORTIE OUTPUT CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpow...

Page 2: ...RAL 3 1 1 Purpose 1 2 Operating principle 2 OUTLINE DRAWING 4 3 DESCRIPTION 4 3 1 Adjustment range of remote pot 3 2 Wiring precautions 4 CONNECTION DIAGRAM 6 5 OPERATION PRINCIPLE 7 6 ADJUSTMENTS 7 6...

Page 3: ...REGULATION using an additionnal C T when the alternator is paralleling with the mains The 3rd FUNCTION being the BALANCE EQUALI ZATION OF VOLTAGES before paralleling U U which is generally realised by...

Page 4: ...s if no pot is used jumper ST1 term 5 6 INPUT OF COMMAND U U OPERATION when synchronising external contact C1 total impedan ce of circuit loop to be 5 ohms 50 Hz or 60 Hz term 7 8 INPUT OF COMMAND COS...

Page 5: ...C2 total impedance of circuit loop to be 5 ohms 50 Hz or 60 Hz term 9 10 remote pot to adjust power factor short these terminals of external pot is not used jumper ST2 TERMINAL STRIP J2 term 1 2 INPU...

Page 6: ...T 1A 5VA COUPLAGE PARALLELING NOTE NOTE Enlever le strap STZ ou le potentiom tre ext rieur sur le r gulateur Remove jumper STZ or remote pot on the voltage regulator Relais de tension alternateur VALT...

Page 7: ...ording to the mode imposed by external contacts named C1 for equalizer function U U andC2for power factor Cos r gulation Closingofthe contacts is signalled by LED When the mains voltage is not supplie...

Page 8: ...IMMEDIATEMENT 6 2 ADJUSTMENT PROCEDURE COMMISIONNING 6 2 1 PRELIMINARY CHECKS At first ensure that the excitation system of the machine has been properly adjusted in order so operate in the whole volt...

Page 9: ...t is not possible to get the requested P F that means thereisaCONNECTIONMISTAKE PHASESMARKING IF UNSTABLE set with STABILITY pot P3 and eventual ly with the STABILITY pot of the voltage regulator adju...

Page 10: ...THE MAINS VOLTAGE relay U ALT alternator output voltage to cut offthemainssupply sensingtothemodulewhenthegenra tor is stopped LIFE SAFETY differential voltage U MAINS U ALT relay or synchroni ser pr...

Page 11: ...U R SEAU THE MODULE R 725A REGULATES THE POWER FACTOR OF PLANT SEEN FROM MAINS UTILISATION LOCALE LOCAL USER TI CT 1A 5VA Cos PF y x2 y2 x kVAR y kW J2 2 1 2 1 x y E E RL MODULE R 725A REGULATEUR AVR...

Page 12: ...MISFUNC TION The complete system is supposed to have been previously operating satisfactorily 11 1 CHECKING AUTOMATIC VOLTAGE REGU LATOR see aplicable handbook disconnect the 2 wires linking to the M...

Page 13: ...A Transfo de s curit 110 220 24 V 100 VA ou 220 380 24V 100 VA Peut tre remplac par un condensateur C de 150 F permuter alors S1 S2 du transformateur TP Digital voltmeter range 2V DC AC RMS voltmeter...

Page 14: ...about 1 volt or about 1 volt By rotating potentiometer P1 U U dockwise from fully an tibockwise position voltage UCOM triggers from one of the maximum negative or reverse to the other maximum Thesett...

Page 15: ...2k 3 W 1 or 2 current transformer 5 VA secondary 1A Primary according rating 1 or 16 TECHNICAL ASSISTANCE SPARE PARTS Address enquiries and orders to MOTEURS LEROY SOMER Usine de Sillac 16015 ANGOULEM...

Page 16: ...7 8 9 10 R 725A U U Stab Cos 1 2 3 4 5 6 7 8 9 10 J1 J2 V U W L2 L3 Pot Tension ext 470 Remote voltage adjt 1 2 3 4 5 R f rences Tension Alternateur Voltage sensing Generator side T I C T U Alt P2 R 4...

Page 17: ...ext 1000 Remote P F adjt C1 C2 cos Voir sch ma interne See internal connection diagram R 129 P4 STAB 1 2 1 2 3 4 5 6 7 8 9 10 RED E E S2 S1 0 220 380 P1 P6 STAT INT P3 VOLT Hz P2 VOLT P5 LIM EXC COMP...

Page 18: ...8 9 10 R 725A U U Stab Cos 1 2 3 4 5 6 7 8 9 10 J1 J2 V U W L2 L3 Pot Tension ext 470 Remote voltage adjt 1 2 3 4 5 R f rences Tension Alternateur Voltage sensing Generator side T I C T U Alt P2 R 438...

Page 19: ...1000 Remote P F adjt C1 C2 cos Voir sch ma interne See internal connection diagram R 129 P4 STAB 1 2 1 2 3 4 5 6 7 8 9 10 RED E E S2 S1 0 220 380 P1 P6 STAT INT P3 VOLT Hz P2 VOLT P5 LIM EXC COMPOUND...

Page 20: ...ANGOUL ME S A au capital de 62 779 000 CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa com SHOP ONLINE www genpowerusa com CALL US TODAY 1 888 POWER 58 REQUEST A QUOTE parts genpowerusa...

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