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6

Electric Power Generation

2019.10 / e

Installation and maintenance

R180

AVR

5599 en -

3 - TECHNICAL SPECIFICATION

1

Sensing input

3-ph/2-ph - 220/230/240/380/400/415 volts for 

50 Hz

3-ph/2-ph - 208/240/277/380/416/440/480 Volts for 

60 Hz

2

Voltage range High

300 V to 530 V

3

Voltage range Low

180 V to 310 V

4

Droop 

1 and 5 A AC in U phase

5

Droop range

8% droop at 0.8 PF 

6

PMG input power

Continuous: 240 V RMS +10% 

Momentary 5 s: 240 V RMS + 30

Up to 240 Hz

7

AREP input power

Continuous: 250 V peak+10% 

Momentary 10 s: 350 V peak +5% - Up to 75 Hz

8

Excitation current

6 A DC continuous  

9 A for 5 seconds (short-circuit operation)

9

Regulation

± 1% at AVR sensing terminals

10

Maximum excitation limit

6 A DC (factory setting)

11

Maximum excitation limit 

delay

30 sec. (factory setting)

12

Under frequency protection

48.5 Hz/58.5 Hz for 50 Hz/60 Hz operation

13

Slope

1.2X (120%) V/Hz

14

Remote potentiometer 

1 kOhm for ± 10% adjustment

15

Accessory Input

± 4.5 VDC for ±15%

16

Loss of sensing 

Shuts down after 5 sec. when sensing open

17

Weight

500 g approximate 

18

Dimensions

140 mm x 115 mm x 70 mm

19

Temperature range

-25ºC to +70ºC

20

Storage temperature range

-40ºC to +80ºC

21

Thermal drift

0.5% for 20ºC change

22

Fuse

FST 10A 250V

Summary of Contents for Leroy-Somer R180

Page 1: ...R180 AVR Installation and maintenance...

Page 2: ...arning symbol for electrical danger to personnel All servicing or repair operations perfor med on theAVR should be undertaken by personnel trained in the commissioning servicing and maintenance of ele...

Page 3: ...nge 7 4 2 Connection diagram for high voltage range with droop powered by AREP 8 4 3 Connection diagram for high voltage range with droop powered by PMG 9 5 AVR SETTINGS 10 6 TROUBLESHOOTING CHART 11...

Page 4: ...and 5 A signal from a droop current transformer in U phase to give a voltage droop which allows the alternator to operate in parallel The R180 has an accessory input which can be used as a remote pote...

Page 5: ...xiliary input and external potentio meter range The auxiliary input range is set by the potentiometer marked Acc This potentiometer sets the maximum voltage range for the external potentiometer or the...

Page 6: ...y 10 s 350 V peak 5 Up to 75 Hz 8 Excitation current 6 A DC continuous 9 A for 5 seconds short circuit operation 9 Regulation 1 at AVR sensing terminals 10 Maximum excitation limit 6 A DC factory sett...

Page 7: ...7 Electric Power Generation 2019 10 e Installation and maintenance R180 AVR 5599 en 4 MAIN FUNCTION OF THE AVR 4 1 Connection diagram for low voltage range 0V...

Page 8: ...8 Electric Power Generation 2019 10 e Installation and maintenance R180 AVR 5599 en 4 2 Connection diagram for high voltage range with droop powered by AREP 0V...

Page 9: ...9 Electric Power Generation 2019 10 e Installation and maintenance R180 AVR 5599 en 4 3 Connection diagram for high voltage range with droop powered by PMG 0V...

Page 10: ...t the terminals using the voltage adjustment potentiometer If oscillations are seen on the voltmeter A C indicating the alternator terminal voltage gradually turn the STABILITY trimmer on the R180 clo...

Page 11: ...rnal potentiometer link open Connect link or potentiometer as necessary Loss of sensing voltage Connect as per the diagram Prime mover rpm falls Set rpm Incorrect regulation Prime mover rpm falls Set...

Page 12: ...lead to X2 The multimeter will display 0 4 V to 0 6 V Connect the red lead to Z1 The multimeter will display 0 4 V to 0 6 V Connect the red lead to Z2 The multimeter will display 0 4 V to 0 6 V Connec...

Page 13: ...potentiometer 250 V 110 V transformer 8 2 Connection Connect the 100 W bulb between the F1 and F2 terminals on the AVR Connect the 110 V transformer output to X1 and X2 on the AVR Connect the 250 V en...

Page 14: ...tage to 400 VAC The bulb will up light because the setpoint is 415 V Now turn on the switch which is connected to the 50 Hz 60 Hz input The bulb will gradually go OFF due to the change in the UFRO set...

Page 15: ...15 Electric Power Generation 2019 10 e 147 115 90 56 5 11 16 117 159 142 Installation and maintenance R180 AVR 5599 en 9 DIMENSIONS TOP VIEW SIDE VIEW...

Page 16: ...ion you may require For all spare parts orders or technical support requests send your request to service epg leroy somer com or your nearest contact whom you will find at www lrsm co support indicati...

Page 17: ...ith local legislation regarding product disposal and recycling Waste hazardous materials The following components and materials require special treatment and must be separated from the alternator befo...

Page 18: ...18 Electric Power Generation 2019 10 e Installation and maintenance R180 AVR 5599 en...

Page 19: ...ient repair support and maintenance services Trust your alternator maintenance and support to electric power generation experts Our field personnel are 100 qualified and fully trained to operate in al...

Page 20: ...www emersonindustrial com 2019 10 e www leroy somer com epg 5599 en Linkedin com company leroy somer Twitter com Leroy_Somer_en Facebook com LeroySomer Nidec en YouTube com LeroySomerOfficiel...

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