Farady Electric VR-8 single phase step voltage regulators are tap-changing autotransformers. They regulate distribution line voltages from 10% raise (boost) to 10% lower (buck) in thirty-two steps of approximately 5/8% each. Voltage ratings are available from 2400 volts (60 kV BIL) to 34,500 volts (200 kV BIL) for 60 Hz and 50 Hz systems.
Detail
General
Farady Electric VR-8 single phase step voltage regulators are tap-changing autotransformers. They regulate distribution line voltages from 10% raise (boost) to 10% lower (buck) in thirty-two steps of approximately 5/8% each. Voltage ratings are available from 2400 volts (60 kV BIL) to 34,500 volts (200 kV BIL) for 60 Hz and 50 Hz systems. Internal potential winding taps and an external ratio correction transformer are provided on all ratings so that each regulator may be applied to more than one system voltage. Smaller kVA sizes are supplied with support lugs for pole mounting and with substation or platform tie down provisions. Larger sizes are provided with substation bases with pad-mounting provisions.
Product Standards
● IEEE Std C57.15™Part 21: Standard requirements, terminology, and test code for step-voltage regulators
● IEC 60076-21 2018 version Part 21
● IEEE C57.12.00-2015™ General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
● IEEE C57.12.90-2015 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
● Operating taps comply to IEEE requirements
Main Features
● Regulator Controller
● Tap changer with motor and power supply
● Position indicator with ADD-AMP adjustment
● Two laser-etched nameplates
● Lifting lugs
● Oil drain valve and sampling device
● Upper filter press connection
● Oil sight gauge
● High-creep bushings with NEMA connectors
● Pole-type mounting brackets
● Substation base (substation units)
● External series arrester
● Automatic pressure relief device
● Control cabinet with removable front panel
● Ratio correction transformer
● Shunt & Series arresters
Product Design
Regulator Controller
VR-8 series step voltage regulator use Schweitzer Engineering Laboratories ,Inc(SEL) universal controller box model number SEL-2431 Following standard IEEE C37.118.
◆ Built-In Reliability, Ten-Year Warranty
◆ Plug-In Voltage Regulator Compatibility
◆ Advanced Tap-Position Tracking
◆ Easy Application Settings
◆ Cnnect and Retrieve Data Quickly
Operating temperature -40degree-+85 degree
Power source range 88-132 VAC,
auxiliary output source Range 11-14vdc,
output power 6w at 12vdc
Nominal current 450mA,
Current range 45 to 540mA
Frequency range+_ 5hz of nominal(50-60Hz)
phase angle range-180 to 180 degree
FARADY Voltlogic-230 Digital Regulator Control is a microprocessor-based step-voltage regulator load tap changer control which design and manufactured by FARADY.
◆Comply to IEC60255-1 and IEEE C37.118
◆Simple, intuitive, controls for voltage regulators, LTC transformers
◆Flexible communication options (MODBUS, IEC101/104, DNP3.0)integrate the controls to SCADA/DMS systems for remote control monitoring, volt/VAR optimization and distributed generation
◆ Low cost of ownership delivered with industry leading warranties, a software based design approach and outstanding customer service and technical support
Quality Assurance
Farady Quality assurance is an integral part of the process. All electrical testing is per IEEE & ANSI standards.. Quality of processed parts and subassemblies are the responsibility of the production personnel. Regular quality inspections and spot checking are conducted to make sure that good and consistent quality is achieved and maintained.
Routine Tests
● In-process Core Loss Test
● Operation Test
● Winding Resistance Test
● Polarity and Phase Displacement Test
● Insulation Power Factor Test
● Oil DBV Test
● No Load Loss & Excitation Test
● Impedance Voltage & Load Loss Test
● Voltage Ratio Test
● Applied Potential Test
● Induced Potential Test
Type Tests
● Temperature Rise Test
● Lighting Impulse Level (BIL)
● Sound Level test
● Short circuit test
Production
