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Input Volts:
Frequency:
Voltage Regulation:
Parallel Operation
Output Volts:
Maximum Continuous Output:
Minimum Field Resistance:
Min Residual Build up Volts:
Physical Size:
Weight:
Repairable:
Internal Protection:
External Voltage Adjustment:
System Operating Indicator:
Optional Static Exciter Modules
Optional External Controls
Universal Voltage Regulator
The XR500B is a unique voltage
regulator that is designed specifically
for Professional Electrical Generator
Service and Repair Technicians.
The XR500B incorporates patented
electronic circuitry that allows an
installer to match the regulator to many
differing configurations of exciters
without special transformers or inline
resistors.
The XR500B can be externally
controlled with a PLC or Genset
controller by simply adding an optional
interface module.
Specifications
120 / 208 or 240acv
50 or 60hz
+/- 1% From NL to FL
Yes
0-52vdc @ 120vac input
0-105vdc @ 240vac input
0-210vdc @ 240vac input
5adc
10.5Ω @ 52vdc output
21Ω @ 105vdc output
42Ω @ 210vdc output
3.5vac
4.75 x 6 x 1 in.
7 oz
Yes
Fuses
Yes
Yes
Yes
Yes
XR500B
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Related Manuals for Power-Tronics XR500B
Summary of Contents for Power-Tronics XR500B
- Page 1 XR500B Universal Voltage Regulator The XR500B is a unique voltage regulator that is designed specifically for Professional Electrical Generator Service and Repair Technicians. The XR500B incorporates patented electronic circuitry that allows an installer to match the regulator to many differing configurations of exciters without special transformers or inline resistors.
- Page 2 Always wear eye protection and never hold the regulator in your hand when energized. The XR500B is a Universal Voltage Regulator that can be configured several different ways to fit differing applications. Before selecting a wiring configuration for the regulator, you must know certain pieces of information about the generator and exciter to be successful in determining the correct hookup for the regulator.
- Page 3 If this generator is going to operate at a speed lower than 50/60 Hz, a disconnect or switch should be placed in series from the generator stator Connection B to terminal #1 and #2 on the XR500B. For 480vac, either use a AØ...
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Page 4: Installation And Setup
Installation and setup Install the regulator and wire up to the correct wiring diagram. Turn the internal voltage control and stability control 15 or more turns counter clockwise (left). This procedure is necessary in case the original factory settings have been altered. Stability Internal adjustment... -
Page 5: Application Troubleshooting
Application Troubleshooting Problem: Possible Cause No Voltage 1 3 5 7 9 11 13 15 20 Pulsating Voltage 4 5 6 12 16 Flickering Voltage 6 7 14 4 High Voltage 6 7 8 9 12 13 17 18 20 Voltage Drop on Load 5 8 10 12 16 Low Voltage... -
Page 6: Fuse Replacement
19. Input and field circuit are being fed by a common cable or conduit. 20. Incorrect hookup or wiring. Fuse Replacement • Remove the 2 screws located on the front of the mounting can near the terminal board. • Loosen the 2 screws located on the front of the mounting can near the voltage and stability adjustment holes. -
Page 7: Installation Form
It is very important that you fill out this form completely when installing a voltage regulator. This form serves as a history record on the application. This form also contains the information needed by Power-Tronics, Inc., for repair and troubleshooting of any product you may be having problems with. -
Page 8: Product Warranty
Power-Tronics, Inc., warranties only parts and workmanship of this product for a period of 2 years from the original date of purchase from Power-Tronics, Inc. Under warranty, Power-Tronics, Inc. - Page 9 Figure A Figure B Bench Check Instructions Wire up the regulator as shown in figure A. Connect up a 120 volt 50 to 150 watt light bulb to the F+ and F- Terminals. Adjust the internal voltage and stability pots fully CCW (25 turns) or until a click is heard. Input 120vac into the regulator at #1 and #2.
- Page 10 1Kva transformer 240vac 6 ohm, 100w maximum output amperage. Unit / Parallel switch Exciter field XR500B For stand-alone operation, close the Unit/Parallel switch. If the voltage raises during motor loading, reverse the current transformer leads. Remote voltage adjustment 100k, 1/2w...
- Page 11 Parallel Connections For The XR500B Universal Voltage Regulator (Connection B) xx/5a CT Generator Reactive droop adjustment 750va Regulator off/on transformer 240vac 6 ohm, 100w maximum output amperage. Unit / Parallel switch Exciter field XR500B For stand-alone operation, close the Unit/Parallel switch.
- Page 12 Parallel Connections for the XR500B Universal Regulator off/on xx/5 CT White 6 ohm, 100w adjustment If the voltage raises during motor loading, reverse the adjustment switch switch. transformer maximum amperage. A B C AC1 AC2 F+ 240vac Generator SE350 XR500B...
- Page 13 Parallel Connections for the XR500B Universal Voltage Regulator when used with the SE450 Static Exciter Module. xx/5 CT Generator Reactive droop adjustment 5kva transformer 240vac 6 ohm, 100w maximum Exciter field output amperage. Unit / Parallel switch Regulator off/on AC1 AC2 F+...
- Page 14 Interpole ARM Main Interpole Main rsion Diagram To Change From Older Shunt Wound Voltage Regulation To Newer Shunt Field Shunt Field Voltage Regulator Rotor Rotor Solid State Voltage VR, UVR And XR Universal Voltage Regulators. F+ and F- Switch polarity if buildup does not Original Wiring Rheostat...
- Page 15 Optional AFM500X Auto Flash Connection Diagram AFM500X shown connected to an XR or UVR series Power-Tronics voltage regulator in the AUTO FLASH configuration. XR500B XR500B-400 UVR501 UVR501-400 UVR500 AFM500X shown connected to an XR or UVR series Power-Tronics voltage regulator in the BATTERY FLASH configuration.
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