VR6 Voltage Regulator Caterpillar

Electrical

Usage:

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Table 1
Specifications
Regulator Characteristics	Regulation	Less than ±1% of voltage setpoint from no load to full load
	Response time	Maximum of 4 milliseconds
	Voltage drift	Less than ±1% steady state
	Temperature drift	Less than ±1% for any 40 °C (104.0 °F) change over the operating temperature range
	Sensing voltage	True RMS three-phase sensing is standard. Single phase sensing is available. The variable sensing range is 180 to 280 VAC for 50 or 60 Hz.
	Stability	The regulator responds to the main component of the sensed voltage and remains stable for total harmonic distortion of the generator output voltage waveform, up to 20%.
Regulation	Volts/Hz characteristic	The characteristic is linearly proportional to frequency. 1 V/Hz characteristic can be selected by placing the jumper between terminals 6A and 8. 2 V/Hz characteristic can be selected by removing the jumper between terminals 6A and 8. These characteristics provide matched engine/generator performance for improved block load performance.
Regulation	Knee frequency	The knee frequency is adjustable from 45 Hz to 65 Hz. Refer to the Testing and Adjusting, "Knee Frequency - Adjust" for more information.
Adjustment Characteristics	Voltage adjust range	+10% to -25% of regulator sensing voltage
	Reactive droop adjustment	Adjustable from 0 to 10% at rated input current and 0.8 power factor. Either a 1 Ampere current transformer (CT) or a 5 Amperes CT can be used with a VA<1.0.
	External Voltage Adjust Potentiometer	10 K Ohm, 2 Watts
Protection	For Overexcitation	The protection shuts off the generator output when excitation current exceeds normal operating currents for 30 seconds at 90 VDC ± 5%.
Power Characteristics	Power dissipation	Maximum 50 watts at rated output
	Input	180 to 280 VAC, single-phase or three-phase on 50 Hz or 60 Hz applications 90 to 120 VAC, three-phase, on 100 Hz to 240 Hz permanent magnet (PMG) applications. Maximum of 3125 VA. 240 VAC, single-phase, on 100 Hz to 240 Hz permanent magnet (PMG) applications. Maximum of 3125 VA.
	Output (with a 240 VAC Input)	12 Amperes DC at 65 VDC maximum continuous 25 Amperes DC at 125 VDC forcing for 10 seconds
	Turn On Voltage	Approximately 6 VDC
Temperature Range	Ambient operating	−40 °C (−40 °F) to +70 °C (+ 158 °F).
Temperature Range	Storage	−40 °C (−40 °F) to +70 °C (+ 158 °F).
Physical Specifications	Weight	1.1 kg (2.4 lb).
	Shock	Withstands up to 20 g's.
	Vibration	Withstands 0.5 g's at frequencies between 18 and 2000 Hz in three mutually perpendicular planes.
Conformity	Electromagnetic compatibility	Meets 89/336/EEC Electromagnetic Compatibility Directive. Contains internal EMI suppression filter.
	UL	UL 508 Listed
	CSA	Certified per Standard CAN/CSA-C22.2 No. 14-95, CSA File No. LR 23131
	CE	Conforms to the following standards: Radiated Emissions EN50081-2 Radiated Immunity (electric field) EN61000-4-3 (10 V/m) Radiated Immunity (conducted) EN61000-4-6 (10 VRMS) Conducted Emissions EN50081-2 (EN55011, Class A) ESD Immunity EN50082-2 (4 KV contact, 8 KV air) EFT Immunity EN50082-2 (2 KV coupling clamp) Magnetic Immunity EN50082-2 (30ARMS, 50 Hz) Safety EN61010-1