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Description: This standard pertains to ferroresonant transformers used as regulators in electronic power supplies and in other equipment. Guides to application and test procedures are included.
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Description: Ferroresonant transformers used as regulators in electronic power supplies and in other equipment are covered. Guides to application and test procedures are included.
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Supplier: Far East Resources, Inc.
Description: Far East Resources is a leading international procurement organization focused on providing various circuit technology to the commercial industry from the Pacific Rim since 1976. Assisting its customers in the sourcing of printed circuit boards (PCB) and other electronic interconnection devices, no
- Application / Industry: Avionics / Aerospace, Audio, Automotive, Construction / Site, Industrial, Instrumentation, Marine, Medical, Military, Motors / Drives, Public Utility, Telecommunications
- Location: North America, United States Only, Northeast US Only
- Mounting Configuration: Chassis Mount, Dish / Disk Mount, Enclosure / Free Standing, H Frame, Pad Mount, PCB Mount, Pole Mount
- Transformer Capabilities: Autotransformer, Buck / Boost Transformer, Control Transformer, Current Transformer, Distribution Transformer, Ferroresonant Transformer, Filament Transformer, Flyback Transformer, Foil Wound Transformer, High Frequency
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Supplier: UL Standards & Engagement
Description: ; c) Ferroresonant transformers; d) Cord-connected transformers; and e) Transformers incorporating overcurrent or over-temperature protective devices, transient voltage surge protectors, or capacitors. 1.7 These requirements do not cover Class 2 and Class 3
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Supplier: Agile Magnetics
Description: Custom Coil, Inductor and Transformer Manufacturer Regional Mfg. Specialists, Inc. (RMS) is a state of the art, 40,000 sq/ft manufacturing center in Concord, NH. We are a variable volume, custom, and contract manufacturer of magnetics and more. We make components that are trustworthy
- Application / Industry: Avionics / Aerospace, Audio, Automotive, Construction / Site, Industrial, Instrumentation, Marine, Medical, Military, Motors / Drives, Public Utility, Telecommunications, Other
- Location: North America, United States Only, Northeast US Only
- Mounting Configuration: Chassis Mount, Dish / Disk Mount, Enclosure / Free Standing, H Frame, Pad Mount, PCB Mount, Other
- Transformer Capabilities: Autotransformer, Buck / Boost Transformer, Control Transformer, Current Transformer, Distribution Transformer, Ferroresonant Transformer, Filament Transformer, Flyback Transformer, Foil Wound Transformer, High Frequency
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Supplier: UL Standards & Engagement
Description: 1.1 These requirements cover the following types of transformers: a) Air-cooled transformers and reactors for general use; b) General purpose autotransformers; c) Ferroresonant transformers; d) Class 2 and Class 3 transformers (which are evaluated in
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Supplier: CSA Group
Description: of Part 2 cover: a) Air-cooled transformers and reactors for general use; b) Autotransformers; c) Ferroresonant transformers; d) Cord-connected transformers; and e) Transformers incorporating overcurrent or over-temperature protective devices, transient voltage
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Supplier: CSA Group
Description: use; b) General purpose autotransformers; c) Ferroresonant transformers; d) Class 2 and Class 3 transformers (which are evaluated in accordance with Part 3); e) Cord-connected transformers (which are evaluated in accordance with Part 2); f) Transformers
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Description: Acme True-Power® products consist of specially designed ferroresonant transformers that provide reliable, regulated output voltage with varying input voltages. True-Power power line conditioners accommodate a range of +10/-20% around nominal input voltages of 120/208/240 and 480 volts
- Configuration: Floor / Free Standing
- Frequency: 60 Hz
- Input Voltage: 95 to 528 volts
- Output Voltage: 120 to 480 volts
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Supplier: Specialty Product Technologies
Description: The CRA series of Power Conditioners correct input voltage fluctuations over a wide spectrum, and provide common-mode and transverse-mode noise attenuation through the use of a copper multi-shielded isolation transformer and an exclusive Superior Electric LC filter network. With an
- Power Rating: 110 to 1800 VA
- Protection: Line Noise, Other
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Supplier: Specialty Product Technologies
Description: The CRA series of Power Conditioners correct input voltage fluctuations over a wide spectrum, and provide common-mode and transverse-mode noise attenuation through the use of a copper multi-shielded isolation transformer and an exclusive Superior Electric LC filter network. With an
- Phase: Single Phase, Three Phase
- Power Rating: 10000 to 125000 VA
- Protection: Harmonics, Unbalanced Loads
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Supplier: RS Components, Ltd.
Description: CVS Series of ferroresonant transformer technology from SolaHD. The CVS series are voltage regulation devices for industrial applications where precise voltage regulation is required. The transformer is ideal for applications where even a small change in voltage level can lead
- Configuration: Other
- Frequency: 60 Hz
- Input Voltage: 120 volts
- Number of Outlets (if Applicable): 1
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Supplier: RS Components, Ltd.
Description: CVS Series of ferroresonant transformer technology from SolaHD. The CVS series are voltage regulation devices for industrial applications where precise voltage regulation is required. The transformer is ideal for applications where even a small change in voltage level can lead
- Configuration: Other
- Frequency: 60 Hz
- Input Voltage: 120 to 480 volts
- Number of Outlets (if Applicable): 2
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Supplier: RS Components, Ltd.
Description: CVS Series of ferroresonant transformer technology from SolaHD. The CVS series are voltage regulation devices for industrial applications where precise voltage regulation is required. The transformer is ideal for applications where even a small change in voltage level can lead
- Configuration: Other
- Frequency: 60 Hz
- Input Voltage: 120 to 480 volts
- Number of Outlets (if Applicable): 2
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Supplier: RS Components, Ltd.
Description: CVS Series of ferroresonant transformer technology from SolaHD. The CVS series are voltage regulation devices for industrial applications where precise voltage regulation is required. The transformer is ideal for applications where even a small change in voltage level can lead
- Configuration: Other
- Frequency: 60 Hz
- Input Voltage: 120 to 480 volts
- Number of Outlets (if Applicable): 2
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Supplier: Sensata Technologies
Description: environments. Temperature conditions, which affect fuses and other thermal devices, are not a concern. The magnetic /ampere turn principle minimizes nuisance tripping due to temperature variations. Inrush currents, due to ferroresonant transformers, lamps and capacitive filters, are
- Continuous Current Rating: 0.1000 to 100 amps
- Trip Unit Type: Magnetic Circuit Breakers
- Type of Manual Actuator Provided: Rocker, Toggle Switch
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IEEE Standard for Ferroresonant Voltage Regulators
IEEE Std 449-1990,IEEE Standard forFerroresonant Voltage Regulators, pertains to ferroresonant transformers used as regulators in electronic power supplies and in other equipment.
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Scott-T Connected 3-Phase Inverters for Telecommunications Applications
One of the least compli- cated and most reliable employs the use of a Ferroresonant Transformer in the output to regulate the voltage and wave shape the driv- ing voltage so as to achieve a useable sine wave.
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High-Power Ferroresonant Voltage Regulating Transformers
Two-core Wroblewski ferroresonant trans- formers up to 25 kVA have been built for 1-phase, and up to 75 kVA for 3-phase, 60-Hz operation.
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Effects of line-failure phase angle in ferroresonant UPS
This paper uses a Spice mo- del for the ferroresonant transformer to discuss the opera- tion during these transitions.
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IEEE Recommended Practice for Powering and Grounding Electronic Equipment - Redline
For example, closely matched ferroresonant transformers (FRT) operated in series have been seen to act like magnetic “flip- flops.” .
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Powering a CATV System
The output of the ferroresonant transformer is unfiltered and is thus a quasi-square wave with a harmonic content of 15 to 20%.
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IEEE Recommended Practice for Powering and Grounding Electronic Equipment
Common techniques include ferroresonant transformers , electronic tap-switching transformers, and saturable reactor regulators.