BASLER ELECTRIC, BOX 269, HIGHLAND, IL 62249 PHONE 618/654-2341 FAX 618/654-2351
WARNING
To prevent personal injury or equipment
damage, only qualified technicians or
operators should install, operate, or
service this device.
ELECTRICAL SPECIFICATIONS
Dc Output Power:
4 Adc at 63 Vdc (252W) maximum
continuous,
7 Adc at 100 Vdc (700W) forcing one minute
(at 240 Vac input).
Exciter Field Dc Resistance:
15 ohms minimum; 100 ohms maximum.
Ac Power Input:
Operating range: 190 Vac to 240 Vac, +10%,
Single phase, 50/60 Hz +5%, Burden 500 VA.
Voltage Adjust Range:
171-264 Vac.
Regulation Accuracy:
Better than ±1.0% no load to full load.
Response Time:
Less than 1.5 cycles for +10% change in
sensing voltage.
EMI Suppression:
Internal electromagnetic interference filter
(EMI filter).
Overexcitation Shutdown:
Output power is removed under the following
conditions: Exciter field voltage exceeds
100+5 Vdc for a time inversely proportional to
voltage magnitude, or instantaneously if the
exciter field voltage exceeds 135+5 Vdc.
Voltage Build-up:
Internal provisions for automatic voltage build-
up from generator residual voltages as low as
10 Vac.
Power Dissipation:
8 Watts maximum.
PHYSICAL SPECIFICATIONS
Operating Temperature:
-40° C (-40° F) to +60° C (+140° F).
Storage Temperature:
-65° C (-85° F) to +85° C (+185° F).
CSA Approved
FUSES
It is recommended that fuses with high
interruption capability be installed per the
interconnection diagram to protect wiring from
faults before the regulator. Refer to the
Interconnection Diagram.
NOTE
Fuse must be installed per the
interconnection diagrams to avoid inter-
rupting the field current.
MOUNTING
The regulator may be mounted in any
position. Refer to the drilling diagrams.
Drilling Diagram
EXCITER FIELD POWER CIRCUIT (wires F+
and F-).
Connect the regulator wire F+ to the brushless
exciter field terminal F+, and wire F- to
terminal F-.
CAUTION
The dc resistance of the exciter field
must be equal to or greater than 15 ohms
and less than 100 ohms.
POWER/SENSING INPUT CIRCUIT (wires 3
and 4)
Connect as shown by the Interconnection
Diagram.
UNDERFREQUENCY CHARACTERISTIC
POINT
For 50 Hz systems, connect the Hz leads.
For 60 Hz systems, disconnect the Hz leads.
See curves the following figure.
Frequency Compensation Curves
OVEREXCITATION SHUTDOWN
This circuit removes the output power if the
exciter field voltage exceeds 100 ±5 Vdc after
a time delay. If the voltage exceeds, 135 +5
Vdc, the output power is removed
instantaneously.
After shutdown, reset the regulator by
decreasing voltage below 6 Vac either by
stopping the prime mover or interrupting the
regulator input with a reset switch for 2
seconds or more.
VOLTAGE ADJUST
Screwdriver adjustable potentiometer adjusts
generator output voltage. Adjustment CW
increases voltage.
STABILITY ADJUST
Screwdriver adjustable (on non-label side)
potentiometer adjusts the stability and
response of the generator output voltage.
Adjustment CW increases the stability.
NOTE: Excessive CCW rotation of this
adjustment may result in oscillations (hunting)
of the generator output voltage.
OPERATION
The following system operation procedures
provide instructions for adjusting the VR63-4B
Voltage Regulator.
CAUTION
Meggers and high potential test
equipment must not be used. Incorrect
use of such equipment could damage the
semiconductors contained in the
regulator.
PRELIMINARY SET-UP
To prevent damage to the regulator, complete
the following steps before proceeding with
system start-up.
a. Verify that the voltage regulator
specification conforms with the generator
system requirements.
CONFIDENTIAL INFORMATION
OF BASLER ELECTRIC COMPANY, HIGHLAND, IL.
IT IS LOANED FOR CONFIDENTIAL USE, SUBJECT
TO RETURN ON REQUEST, AND WITH THE
MUTUAL UNDERSTANDING THAT IT WILL NOT BE
USED IN ANY MANNER DETRIMENTAL TO THE
INTEREST OF
BASLER ELECTRIC COMPANY.
Publication:
9 1668 00 996
© 1998, Basler Electric Co., Highland, IL 62249
First Printing August 1988
Revision: C January 1998
ECA: 16515
INSTRUCTION MANUAL
FOR
VOLTAGE REGULATOR
Model: VR63-4B
(316 pages)
(2 pages)
(90 pages)
(94 pages)
(122 pages)
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