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Current Transformers
The Institute of Electrical and Electronic Engineers defines a current transformer (IEEE Std C57.13) as “a transformer intended to reproduce in its secondary circuit, in a definite and known proportion, the current of its primary circuit with the phase relations substantially preserved”. Its primary winding is connected in series with the conductor carrying the current to be measured or to be controlled and its secondary winding is connected to the measuring, protection or control devices. Osborne designs and manufactures current transformers which are used for instrumentation applications, others which are used for power system synchronizing applications and others which are used in protection circuit application. They have been designed to meet specified current ratios, burden impedance and transformation errors.
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Control Transformers
ENTES control transformers ensure the safe operation of measuring devices with 24 VAC supply voltage for electical control panels. Input voltages of Control transformers are either fixed (230 or 400V) or selectable with taps (400;230+15-15).
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Control Transformers
Osborne’s Control Transformers are commonly used to step down primary circuit voltages to lower voltages to be used for control circuit applications. These units set the standard for premium, high performance, hand crafted control transformers. Your customers will appreciate your decision to work with the quality and reliability of Osborne Transformer’s control transformers.
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High Current Transformers
High Current Transformer is designed to elevate and check the temperature of the conductors at high current levels, in order to simulate the current loading conditions found in electrical circuits. High Current Transformer is designed as an open type transformer that uses the test object as its secondary coil or has 1 or 2-turn self secondary winding. The conductors cores' temperature depends on the short-circuit high current caused by the test object. According to the current going through the test object, the test temperature of the conductor will change. The loop temperature is measured by a thermocouple probe which is directly connected to conductor.
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Signal Transformers
Signal transformers are used as a step-up / step-down, isolating, or impedance matching component in electronic devices.
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BMS Transformers
In large battery pack applications with daisy chain connections, the number of cells connected in series is very high, and the large voltage differences demand component-to-component isolation. The serial communication links between boards need to be isolated by transformer coupling circuits instead of capacitor coupling.
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Transformers (Murata Power Solutions Products)
Murata transformers are ideally suited to high-frequency designs. The products come in a variety of industry-standard packages and can be used in applications where impedance matching, voltage conversion, isolation and current sensing may be required.
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Transformers & Reactors
Our company leads the market by manufacturing and exporting a wide range of Transformers & Reactors. We manufacture these equipments in different models and technical specifications to suit clients' demands. Our highly skilled team use best grade raw materials and components to manufacture these Transformers & Reactors. We offer these equipments to clients at competitive prices.
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Telecom Transformers
Our high-performance telecom transformers support multiple home phone line and power line network applications. These transformers have excellent THD performance, small footprints, and are designed to exceed industry standards. Single, dual, quad, six, octal and twelve transformer numbers are available.
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Loss Measuring System for Transformers
LiMOS
HIGHVOLT Prüftechnik Dresden GmbH
The transformer loss measuring system LiMOS is designed for highly accurate measurement of losses and other parameters required in the framework of routine and type testing of power transformers. The combined voltage/current sensors and the digital signal processing enable a very compact design with only one HV device per phase with smallest volume and footprint. The digitized and preprocessed signals are transmitted via fiber optic cable to the receiver unit (LiMO-MCSU).
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Testing of Voltage Measuring Transformers
In this category you will find components for high-voltage testing as well as for testing electronic or conventional voltage measuring transformers.
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Low Frequency RF Impendence Transformers
0 kHz to 3 MHz 100W - 4000W 1 input, up to 7 outputs Step-Up / Step-Down Transformers Impedance matching outputs from 1.2 Ohms to 2500 Ohms Compact Design Compatible with T&C''s Class A 10 kHz - 20 MHz LF Generators & Amps Compatible with Class B 20 kHz - 6 MHz LF Generators & Amps
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Current Transformers
Contrel Elettronica s.r.l. Company
We can supply current transformers (measure transformers, protection transformers and double ratio transformers, with analog output) with the following accuracy classes: 0.1, 0.2s, 0.5s; 1; 3. A wide range of combinations is available in our standard range with specific versions available upon request (other ratios, specific frequency, class or load). They are equipped with sealable terminal covers as standard.
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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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Transformers/Baluns
Macom Technology Solutions Holdings Inc.
At MACOM we offer multiple industry standard transformers used in wireless, aerospace and defense and communications applications. Available in a variety of surface mount, flat pack, and connectorized packages, our transformers and baluns are available in balanced and unbalanced versions and are characterized as 50 and 75 ohm impedance devices. Working closely with system design engineers to meet custom specifications, our proven technological expertise and innovative high quality, low cost manufacturing capabilities makes MACOM the partner of choice for some of the world’s leading infrastructure companies.
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Current Transformers
National Meter Industries Inc.
Is an instrument transformer, used along with measuring or protective devices, in which the secondary current is proportional to the primary current (under normal conditions of operation) and differs from it by an angle that is approximately zero.
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DGA Monitor for Transformers
OPT100 Optimus™
The Vaisala Optimus OPT100 DGA (Dissolved Gas Analysis) Monitor for Transformers gives you out of the box performance, completely eliminates false alarms, and offers the best long-term stable measurements of any device on the market – all with no maintenance. Spectral scanning provides selective gas measurement.
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Transformers
RR Enterprises provides all type of transformersSingle Phase and Three Phase upto 100 KVA.The transformers can be→ Air Cooled→ Epoxy Cast→ Oil CooledWe provide transformers in high voltage and low voltage. These are used for various industrial and research purposes.→ High voltage transformers for corona and static elimination.→ High voltage transformers for plasma welding.→ Special purpose high voltage transformers.→ High current transformers for metalissing plants.→ Special purpose high current transformers.
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Current Transformers
Excellent measurement technology requires high-quality current transformers. The product portfolio comprises a wide range of current transformers for load currents (operating currents) and residual currents (RCM). Different designs cover a variety of installation situations and metrological requirements, and enable retrofitting. AC/DC sensitive measuring current transformers use a special measurement method to detect both AC and DC currents of different frequencies.
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Auxiliary Potential Transformers
Osborne Auxiliary Potential Transformers (Aux PT’s) are used in utility and commercial industrial power systems. Osborne works with our clients to identify the safety advantages of using auxiliary potential transformers (Aux PT’s) to establish protection schemes for high voltage equipment. Aux PT’s step the voltage down to safer levels, normally below 600 V AC.
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Current Transformers
Rishabh Instruments Pvt. Ltd.,
Rish Nano CT is a very reliable, efficient and robust current transformer for measurement of AC current. It provides 100 mA AC output. It can be used in Circuit breakers. Earth Leakage Protection.
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High Impedance Transformers
Osborne high impedance transformers are used to step-up, step-down and isolate voltages in single phase and three phase circuits. A properly designed high impedance transformer can be used an an equivalent to an isolation transformer connected in series with an inductor. The high impedance characteristic may be employed as a current limiting feature in both the primary and secondary circuity.
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Series Precision Fixed-Ratio Current Transformers
PMT25100
Power Measurement Technologies Inc.
Precision two-stage toroidal current transformers find application as the reference in determining the accuracy of instrumentation current transformers.
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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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CONTROL TRANSFORMERS
Our control transformers are robust, flexible in design and come with short lead time. Basically an ideal solution for control panel builders who need transformers in a hurry.
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Current Transformers & Bushings
Measurements International Ltd.
AC Current Transformer, Reference Standard for the Calibration of Precision CTs, Currents as high as 10,000 A, Portable with carrying handle for smaller CTs, Wheels on heavier CTs, Passive or Electronically Aided Compensation.
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High Voltage Transformers
We, NMC, are engaged in manufacturing AC/DC High Voltage Transformers ranging from 5kv upto 150Kv having current capacity from 10mA to 200mA AC/DC in Air cooled or Oil Cooled type as per the customer requirement.
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G.fast Transformers
Our line of G.fast transformers are the preferred choice of engineers seeking the most reliable, functional isolation transformers for G.fast transmission. These compact transformers deliver excellent longitudinal balance and total harmonic distortion performance.
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HDBaseT Transformers
Pulse HDBaseT transformers are designed to provide common mode noise reduction for improved EMI performance and support power over HDBaseT (PoH) applications of up to 100W. The HDBaseT technology enables 5Play feature set, which includes ultra high definition 4K video, audio, 100BASE-TX Ethernet, various control signals, and up to 100W of power, on a single 100m/328ft CAT5e/6 cable.
