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2  . R 725A ASPECT /DIMENSIONS

3  . DESCRIPTION (Voir dessin)

Le modèle R 725A possède 2 borniers de 10 bornes (FAS-
TON 6,35 mm) J1 et J2 désignées de 1 à 10 de gauche à
droite face aux bornes.

BORNIER J1

 :

 . 

bornes 1-2

 : SORTIE/COMMANDE raccordement au ré-

gulateur de tension à la place du potentiomètre extérieur.

 . 

bornes 3-4 

:  potentiomètre extérieur de réglage de ten-

sion (voir 3.1 pour valeurs), court-circuiter si non utilisé
(strap ST1).

 . 

bornes 5-6

 : ENTREE ORDRE DE FONCTIONNEMENT

"U =U" (en précouplage)  - ( contact sec C1)   impédance to-
tale de  boucle  < 5 ohms /50Hz ou 60 Hz.

 . 

bornes 7-8 

:  ENTREE ORDRE DE FONCTIONNEMENT

"REGULATION DE COS 

ϕ

  " (en parallèle avec le réseau )  .  

2  . OUTLINE /DRAWING     

                               

3  . DESCRIPTION (See drawing)

The Module R 725A   has 2 terminal strips of 10 terminals
consisting in FASTON LUGS (1/4") and mumbered 1 to 10
from left to right when facing the terminal strip.

TERMINAL STRIP J1

 :

 . t

erm. 1-2

  :  OUTPUT FOR VOLTAGE REGULATOR MO-

NITORING  . connected in lieu of remote voltage trimmer of
voltage regulator.

 . 

term. 3-4

  :  connection of remote voltage trimmer (see 3.1

for values). Short these terminals 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 

ϕ

  REGULA-

TION"  

 when paralleling with the mains.

4

Module R 725A

Module R 725A

10

9
8
7
6
5
4
3
2
1

400
230
0

400
230
0

S1

S2

}

}

}

T3

T2

T1

1 2 3 4 5 6 7 8 9 10

LED

P3

P4

P1

ST1

ST2

TENSION RESEAU
MAINS VOLTAGE

TENSION ALTERNATEUR
GENERATOR VOLTAGE

ROUGE

RED 

VERT 

GREEN 

"U = U"

"Cos 

ϕ

"

}

}

J1

P5

C1

C2

P6

U

TENSION

VOLTAGE

U = U

 "Cos 

ϕ

" "Cos 

ϕ

"

J2

TI / CT / 1A

LIMIT

Vers régulateur

To A.V.R.

P1

P2

P3

P4

P5

 : (-R) =

P6 : 

(+R) =

+ TENSION ALT. (U = U)
MORE GEN VOLTAGE

+ DE PUISSANCE RÉACTIVE
MORE REACTIVE POWER

STABILITÉ (// réseau)
STABILITY (// with mains)

Limite de Cos 

ϕ

P.F. LAG Limit

 + DE TENSION (en isolé)
  MORE VOLTAGE (single)

    + DE PUISSANCE RÉACTIVE
     MORE REACTIVE POWER

U = U

100 mm

115 mm

MESURES / SENSING 50/60 Hz

POTENTIOMETRES

POTENTIOMETERS

+

+

REGLAGES / COMMANDES

ADJUSTMENTS / MONITORING

SORTIE ASSERVISSEMENT

CONTROL OUTPUT

P2

Cos 

ϕ

STAB

R2 R1

Borne non utilisée

Unused terminal

400
100
0

}

R 725A/100V

R 725A

CALL US TODAY 

1-888-POWER-58

REQUEST A QUOTE 

[email protected]

SHOP ONLINE 

www.genpowerusa.com

CALL US TODAY 

1-888-POWER-58

REQUEST A QUOTE 

[email protected]

SHOP ONLINE 

www.genpowerusa.com

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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