Osborne Transformer Corp.
We are a market leader in the design and production of premium quality electromagnetic components.
- (800)229-9410
(586)468-9410 - (586)468-4828
- sales@osbornetransformer.com
- 33258 Groesbeck Highway
Fraser, MI 48026
United States of America
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DC Load Simulating Inductors
Osborne has developed a wide range of DC load simulation inductors that are known for the transients they produce. Osborne DC load simulation inductors are unique and innovative because they are engineered to produce a precise time constant current transient during the current charge cycle.Another distinguishing feature of our load simulation inductors is that they produce a precise voltage transient during the current discharge cycle. The resulting test circuit can be used to accurately replace real loads in a variety of circuit simulation applications.
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Isolation Transformers
Osborne’s Isolation Transformers are used to step-up, step-down and isolate voltages in single phase circuits. Isolation may be used to provide output circuit immunity from voltage spikes and noise (both common-mode and transverse-mode) present on the input system. The isolation can allow separate grounds on both the input and output sides of the transformer. Osborne also designs with a range of electrostatic shielding to provide several levels of noise immunity.
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Air Core Inductors
Osborne designs our Air Core Inductors to realize their advantage of high linearity. We also work with our clients to identify and mitigate any potential disturbances that could result from electromagnetic fields created. The air core design approach is known to create strong electromagneticfields. Osborne develops electromagnetic circuit models, if necessary, to ensure that our clients build effective and reliable circuits.
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DC Filter Inductors
Osborne DC filter inductors (aka filter chokes) are commonly used in AC to DC conversion circuits to present an inductive voltage drop to the AC component of rectified current. This inductive voltage drop acts as a filter. Osborne designs filter inductors to components to function effectively (without saturation) in the presence of the DC current. Osborne will work with you to mitigate the impact of ripple frequency in conversion circuits. Every Osborne DC filter choke is designed for high performance with special consideration given to your circuit´s power supply frequency and conversion configuration.
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EMC Testing Inductors
Electromagnetic Compatibility (EMC) testing is a somewhat unique discipline within the world of electrical product development and analysis. Electromagnetic Compatibility (EMC) testing is primarily concerned with understanding and mitigating the affects of Electromagnetic Interference (EMI).
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Rectifier Transformers
Osborne’s Rectifier Transformers are used in conjunction with various rectification configurations to convert AC input to DC output(s). Key characteristics include regulation, transformer utilization and AC ripple. Osborne rectifier transformer designs are often engineered to operate in advanced rectifier circuit applications.
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Potential Transformers
Osborne Potential Transformers (PT’s) are used to reduce higher system voltages to lower values that are appropriate for instrumentation and/or protection circuits. They have been designed to meet specified current ratios, and burden impedance at a specified transformation error. One area of unique Osborne expertise is in designing for phase shift when potential transformers are to be used for power measuring applications.
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High Frequency Transformers
Osborne High Frequency Transformers are isolation transformers and auto-transformers that operate at frequencies higher than 50/60 Hertz. Osborne recommends high frequency operation for certain applications that demand a significant reduction of the physical size of electromagnetic components. Osborne helps our clients take advantage of higher frequency designs by identifying and accommodating (or preventing) high frequency loss characteristics, such as skin-effect losses, proximity effect losses and stray losses.
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Harmonic Trap Inductors
Osborne designs harmonic trap inductors to work in conjunction with capacitors in power systems to prevent specific line-frequency harmonics from flowing back to the power source (point of common connection). This power quality design approach prevents harmonic currents from flowing to the main facility power system and/or to the utility power system. The Osborne system also reduces unnecessary power losses and power-system pollution.
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High Frequency Current Transformers
Osborne High Frequency Current Transformers operate at frequencies higher than 50/60 Hertz. Their purpose is to reduce high frequency system currents to lower values that are appropriate for instrumentation and/or protection circuits. They have been designed to meet specified current ratios, and burden impedance at a specified transformation error. One area of unique Osborne expertise is in designing for phase shift when high frequency current transformers are to be used for power measuring applications.
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Quasi Square Wave Constant Voltage Transformers
Osborne Quasi Square Wave Constant Voltage Transformers are used to regulate output voltages for applications that have varying input voltages. When used with a rectifier conversion circuit, these units provide an elegant design approach to voltage regulation. Osborne achieves this innovative approach by partnering the constant voltage transformer with an auxiliary resonant capacitor winding. The result is a unique (though time honored) technology that offers reliability, performance, and cost advantages over other styles of voltage regulation.
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Auxiliary Current Transformers
Osborne Auxiliary Current Transformers are often used to reduce system currents to lower values appropriate for instrumentation and/or protection circuits. The Aux CT’s are designed for specific current ratios and burden impedance with a known transformation error. Osborne’s units are built for high performance and longevity in the most demanding environments.
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Filament Transformers
Osborne designs and produces high impedance and unregulated Filament Transformers. An unregulated filament transformer supplies a specified voltage and current to the filament of an electron vacuum tube. High impedance filament transformers are designed around a tungsten tube filament. Osborne often works with our clients to increase the life-span of their vacuum tubes through the use of a regulated voltage supply.
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Auto Transformers
Osborne often recommends Auto Transformers in situations where reducing physical size of the transformer is advantageous. Auto transformers offer size advantages when compared to equivalent isolation transformers. Auto transformers provide lower levels of regulation than the equivalent isolation transformer. Osborne helps our clients accommodate for the loss of regulation while achieving the physical size (and cost) advantages of auto transformers.
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AC Load Simulating Inductors
Osborne designs our AC Inductors to provide the desired inductance and to perform effectively with the dissipation characteristics presented to the circuit. Dissipation characteristics depend on circuit current and operating frequency. The Osborne design approach is unique to the extent that we design for frequency effects. The resulting inductors deliver superior performance.
