Replacement for VR3 and VR3F VR6-B replaced the VR3F in Larne and

Griffin September 1, 2001 VR6-A still in reliability test VR6-A and VR6-B to replace all VR3s

and VR3Fs

VR3(F) designed in 1980s with 1980s technology components becoming obsolete not designed for all the applications

Supplier contract runs out June 2002 Improvements needed for todays

marketplace

UL508A recognized/ CSA certified Knee Frequency Adjustment Stability Adjustment Droop Circuit part of regulator Same model works with SE and PM

generators Operates at engine speed of 500 RPM and

above Single phase sensing with SE and PMs Improved response time

!"

Self Excited, 180 to 264 VAC, single phase or three phase, 50/60 Hz.

PMG, three phase, 90 to 120 VAC, 100 to 240 Hz,3125 VA maximum.

PMG, single phase, 240 VAC, 100 to 240 Hz, 3125 VA. #!$!%&' ("

12 Amps DC @ 65 VDC maximum continuous. 25 Amps DC @ 125 VDC forcing for 10 seconds.

" True RMS three phase or single phase,180 to 264 VAC, 60

Hz; 150 to 220 VAC, 50 Hz.

"

Less than 1% of voltage setpoint to full load. )"

Less than 1% voltage variation for a 40C (104F) change. *"

Maximum of 4 milliseconds. +,-"

1 V/Hz with jumper between terminals 6A & 8. 2 V/Hz, with jumper removed.

.

/0"

Knee frequency adjustable from 45 to 65 Hz.

1"

+10% to 25% if regulator sensing voltage.

231"

10 kohm, 2 W, potentiometer.

)14 1 A or 5 A CT, less than 10 VA burden. Internal CT burden resistor. Adjustable from 0 to 10%, at rated current, 0.8 power factor.

!)"

50 W maximum. 25"

Internal filter. 6"

Internal provisions for automatic voltage build-up from generator residual voltages as low as six VAC.

#23!" Over excitation protection starts timing at 90 VDC, 5% and

takes the output to zero in greater than 30 seconds. The output can be 125 VDC for greater than 10 seconds.

UL Recognized per Standard 508, UL File NO. E97035. CSA Certified per Standard CAN/CSA-C22.2 No. 14-95, CSA File No. LR

23131.

Conforms to:

Radiated Emissions EN50081-2.

Radiated Immunity:

Electric field EN61000-4-3 (10 V/m).

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.

#*" -40C (-40F) to +70C (+158F).

7" Withstands up to 20 g in each of three mutually

perpendicular axes. 8"

Withstands the following accelerations at the stated frequency:

0.5 g; 18 to 2000 Hz. "

Approximately 1.1 kg (2.5 lbs.).

9)

9 *

5A 6

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: *

5 6

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