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INSTRUCTIONS
for
®
STABILINE
Automatic Voltage Regulators
WHR34*T*** Series
Three Phase
380Y/220 X 480Y/277 Volt
Individual Phase Control
This manual also covers units with options that change the beginning of the model number to one of the following:
WHR64*T, WHR94*T, WHRS34*T, WHRS64*T, or WHRS94*T.
Superior Electric reserves the right to make engineering changes on all its products. Such refinements may affect
information given in the instructions. Therefore, USE ONLY THE INSTRUCTIONS THAT ARE PACKED WITH THE
PRODUCT.
WARNING: High voltages are present inside this unit during operation, Do not operate this unit unless all
covers are in place. Installation and servicing should only be done by qualified personnel.
213709-105 Rev. F
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Table of Contents
Related Manuals for Superior Electric STABILINE WHR34 T Series
Summary of Contents for Superior Electric STABILINE WHR34 T Series
- Page 1 This manual also covers units with options that change the beginning of the model number to one of the following: WHR64*T, WHR94*T, WHRS34*T, WHRS64*T, or WHRS94*T. Superior Electric reserves the right to make engineering changes on all its products. Such refinements may affect information given in the instructions. Therefore, USE ONLY THE INSTRUCTIONS THAT ARE PACKED WITH THE PRODUCT.
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Page 3: Table Of Contents
TABLE OF CONTENTS SECTION PAGE SECTION PAGE INSPECTION..........OPTIONS ........... 1.1 UNPACKING ........6.1 NON DESIGNATED OPTIONS ... DESCRIPTION ..........6.2 MODEL No. SPECIFIED OPTIONS ..2.1 GENERAL ..........ALL-BUCK AND ALL-BOOST OPERATION 2.2 STANDARD MODEL NUMBER SYSTEM 4 2.3 THEORY OF OPERATION ....MAINTENANCE .......... -
Page 4: Standard Model Number System
2.2. STANDARD MODEL NUMBER SYSTEM The model number for each WHR Series voltage regulator identifies the various characteristics of that specific unit. The following table explains the meaning of each character in a standard model number. Typical Model Number T F32 T - CB Wide Range High Power Regulator Transient Voltage Suppression §... -
Page 5: Theory Of Operation
2.3. THEORY OF OPERATION location power connections varies These units regulate AC voltage by automatically depending on the options provided. On units with an ® input circuit breaker, input connections are made adjusting POWERSTAT Variable Transformers to directly to the circuit breaker. On units without any maintain constant output voltage. -
Page 6: Operation
OPERATION 5.0. 5.2. SETTING OUTPUT VOLTAGE AND SENSITIVITY POTENTIOMETERS 5.1. CONTROL MODULE ASSEMBLY Normally, the WHR Series voltage regulator should not be operated without the front panel(s) of the cabinet in 5.1.1. General place. However, during the initial operation of the The control modules contain the circuitry that senses regulator, the front panels can be removed to allow the output voltage and determine if correction is... -
Page 7: Options
corresponding line to neutral voltage (ex. 220 or In unit where the model number designates the circuit 277 volts) to terminals 6 and 8 on the control modules. breaker as “CR” the circuit breaker is equipped with an under voltage release coil. This coil allows the circuit breaker to close when voltage is applied and opens the Each line to neutral voltage that is sensed must be breaker if the coil voltage is lost. - Page 8 6.2.2. Delayed Output (A5, K2) Enter key to lock the setting into memory. If no other setting was stored after this procedure, pressing both The delayed output option allows time for the power to stabilize before energizing load. This RECALL keys will return the meter to these settings. accomplished by adding a contactor and timer to the regulator.
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Page 9: All-Buck And All-Boost Operation
6.3. ALL-BUCK AND ALL-BOOST OPERATION Alarm circuit contacts provided with the Frequency Trip All WHR Series regulators can be connected to provide Meter, Input Voltage Range Alarm and Phase Loss - all-buck (unit will only lower the input voltage) or Phase Reversal options are rated 5 amps 240 volts AC. -
Page 10: Maintenance
MAINTENANCE TROUBLESHOOTING 7.0. 8.0. To ensure maximum life of the equipment, the WHR Series voltage regulators will provide long, following should be part of an annual maintenance reliable service with little attention. Unless the unit is program. overloaded, there is little likelihood of component failure. - Page 11 8.8. If the motor continues to hum or buzz after the OUTPUT VOLTAGE RANGE switch is turned off, the 8.10. Inspect the POWERSTAT Variable Transformer solid-state switch controlling the motor may be brush(s) and commutator(s) for signs of wear or defective.
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Page 12: Rating
RATING 9.0. 9.1. POWER RATINGS The WHR34*T*** Series ratings are shown below: INPUT: INPUT: VOLTAGE: 380Y/220 X 480Y/277 VOLTAGE: 380Y/220 X 480Y/277 FREQUENCY: 50/60 Hz X 60 Hz FREQUENCY: 50/60 Hz X 60 Hz CONNECTION: 3 Phase, 4 Wire, Wye CONNECTION: 3 Phase, 4 Wire, Wye RANGE: -30% to +15% of Selected Output... -
Page 13: General Specifications
9.3. GENERAL SPECIFICATIONS Electrical: Output Accuracy Adjustable from 1% to 3% Response Time 0.025 seconds at 60 Hz,0.030 seconds at 50 Hz Load Capacity 100% rated continuous 200% rated 60 seconds 400% rated 3 seconds 600% rated 1 second 800% rated 0.5 second 1000% to 2500% 1/2 cycle inrush Load Power Factor 0 lagging to 0 leading... -
Page 14: Replacement Parts
REPLACEMENT PARTS 10.0. 10.1. ORDERING 10.2. CONTROL MODULE ASSEMBLY Because this manual covers a full series of units it is The same control modules are used throughout this ® impractical to provide a full list of replacement parts. standard WHR Series STABILINE Automatic Voltage To order a part not listed in this manual, provide the Regulators and are shown below. -
Page 15: Power Components
10.3. POWER COMPONENTS The following parts differ depending on the model. Part number can be determined by the letter designations for range and size code in the base model number. Ex. WHR34WTT33 Standard Unit Part Number for Range & Size Code letters listed Reference Part Description Symbol... -
Page 16: Schematic
SCHEMATIC 11.0. (For reference only, use full size supplied with unit) -
Page 17: Floor Mount Dimensions
FLOOR MOUNT DIMENSIONS 12.0. Enclosures A through G Note: All dimensions are inches [millimeters]... - Page 18 Enclosures A through G continues Note: All dimensions are inches [millimeters]...
- Page 19 Enclosures A through G continues Note: All dimensions are inches [millimeters]...
- Page 20 Enclosures DPLUS through GPLUS Note: All dimensions are inches [millimeters]...
- Page 21 Enclosures DPLUS through GPLUS continues Note: All dimensions are inches [millimeters]...
- Page 22 Enclosures DD through GG Note: All dimensions are inches [millimeters]...
- Page 23 Enclosures DD through GG continues Note: All dimensions are inches [millimeters]...
- Page 24 Enclosures EEE through GGG Note: All dimensions are inches [millimeters]...
- Page 25 Enclosures EEE through GGG continues Note: All dimensions are inches [millimeters]...
- Page 26 ® Power Conditioners STABILINE In addition, Superior Electric Manufacturer’s Representatives are available to provide prompt attention to customer needs. Call or fax for ordering and application information or for the address of the closest Manufacturer’s Representative, Authorized Distributor or Reseller.
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