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Static Excitation Controller
Technical Specifications
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SENSING voltage at U,V or SENS
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225 - 475 VAC 2 phase.
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FEEDING VOLTAGE. ( If provided )
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260VAC. Max.
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FREQUENCY.
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50/60 Hz.
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OUTPUT. AT
F+,F- or FIELD
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DC Voltage.
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100.@ 415 VAC at U,V or 40% of feeding voltage.
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Current.
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6.0 A, continuous and 10.0 Amp. Intermittent for 10 sec.
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Resistance
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15 ohms min.
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REGULATION.
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+/- 1.0 %.
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AVR RESPONSE.
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20 ms.
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UNDER Frq. PROTECTION.
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45 - 60 Hz. settable, Slop - 12 volts/Hz.
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RESIDUAL VOLTAGE.
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5 Volts, min @ AVR terminals at U,N or feeding.
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OPERATING TEMPERATURE.
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-40 to + 70 Degree C
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PROTECTION FUSE.
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6.0 A, quick acting (19mm X 5mm glass cartridge)
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Controls
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V - Set.
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To adjust generator output voltage.
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Clockwise increases output voltage.
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Stab.
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To prevent voltage hunting.
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Clockwise increases damping effect.
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U/F set.
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To set UFRO knee point.
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Clockwise increases knee point setting.
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OL set.
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To set over excitation tripping.
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Clockwise increases excitation tripping voltage.
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Physical Dimension/Weight
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L x W x H
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100mm X 100mm X 35mm
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Weight.
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370 gms.
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MOUNTING.
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6.6mm X 2 holes, at center distance of 153.0mm.
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Important
- The discrete power component TYN 1225/612 and diode 20ETS12 can be replaced if failed.
Caution
- Isolate AVR while flashing or insulation testing of the Alternator.
- Installation and adjustment must be carried-out by skilled technician only.
- O/L tripping is the optional facility and would be available on request.
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