Products/Services for Riley Current Transformer
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Current Transformers - (399 companies)Current transformers measure power flow and provide electrical inputs to power transformers and instruments. Current transformers produce either an alternating current or alternating voltage that is proportional to the measured current.  ...Type / Applications -
Current Sense Transformers - (123 companies)Current sense transformers are used to detect and measure current. There are two basic types of products: switch-mode transformers for power conversion applications, and precision-measurement transformers for instrumentation applications. Current... -
Transformers - (2112 companies)...applications for signal isolation and impedance matching. Current sense transformers detect and measure current. Some of these products are designed to precisely measure current in instrumentation applications, while others are used in switch-mode...
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Power Transformers - (1025 companies)...to potentially remote locations, they generate high voltages to transmit the current to these areas. Multiple power transformers must be incorporated into to the system in order to gradually step down the voltage for safe residential use. Transformers may... -
Instrument Transformers - (372 companies)Instrument transformers are used to step-down current or voltage to measurable values. They provide standardized, useable levels of current or voltage in a variety of power monitoring and measurement applications. There are two basic types... -
RF Transformers - (127 companies)DC current. DCR. operating temperature. The operating frequency is the frequency range for which the transformer will meet all guaranteed specifications. Three dB bandwidth is the frequency range for over which the insertion loss is less than 3 dB...
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Signal Transformers - (433 companies)...step-down, isolating, or impedance matching component in electronic devices. Power transformers, which carry current, are generally not suited for use as signal transformers and vice versa. Signal transformers are used in typical electronics applications...
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Electronic Transformers - (35 companies)...of the load to the PFN, they maximize power-transfer efficiency. Rectifier transformers produce a DC voltage or current and are used to drive a diode or thyristor. RF transformers are used for impedance matching over the RF spectrum. Switch mode...
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Distribution Transformers - (88 companies)Distribution transformers are pole-type transformers that supply relatively small amounts of power to residences. They are used at the end of an electrical utility 's delivery system. Distribution transformers are pole-type transformers that supply...
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Transformer Winding Services - (151 companies)...buck boost transformers, control transformers, current transformers, distribution transformers, ferroresonant transformers, filament transformers, flyback transformers, high frequency transformers, isolation transformers, laminated transformers...
Product News
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Triad Magnetics
Current Transformers Triad Magnetics' pioneering design process promotes innovation. There are thousands of Triad Magnetics designs providing application solutions throughout the world, from data processing to telecommunications to power conversion. Our engineers are experienced in all styles, Thru-hole, SMD, Leaded, Planar, Toroidal, Potted, Flat Wire, Litz Wire, Bobbin Wound, Edge Wound, Section Wound, Low Frequency, High Frequency, Low Voltage and High Voltage. If you need it, we can design and manufacture it. (read more) -
Majestic Transformer Co.
What is the transformer inrush current Transformer inrush current is the temporary surge of current that occurs when a transformer is first switched on. It can be several times higher than the normal operating current, even when the transformer is working correctly. (read more)Browse Three Phase Transformers Datasheets for Majestic Transformer Co. -
Triad Magnetics
Looking for Current Sense Transformers Current sense transformers "transform " AC electrical currents from larger-current values into smaller currents that are better suited for instruments, protective relays, and control circuits. This is achieved by developing a current in the secondary winding that is proportional to that of the primary. The isolation aspect of the transformer keeps the high voltage of the primary system separate from the instrument, safety circuit, or control circuit on the other side, thereby protecting them... (read more)Browse Current Sense Transformers Datasheets for Triad Magnetics -
Triad Magnetics
Custom Current Sense Transformers Triad Magnetics' pioneering design process promotes innovation. There are thousands of Triad Magnetics designs providing application solutions throughout the world, from data processing to telecommunications to power conversion. Our engineers are experienced in all styles, Thru-hole, SMD, Leaded, Planar, Toroidal, Potted, Flat Wire, Litz Wire, Bobbin Wound, Edge Wound, Section Wound, Low Frequency, High Frequency, Low Voltage and High Voltage. If you need it, we can design and manufacture it. (read more)Browse Current Sense Transformers Datasheets for Triad Magnetics -
Coilcraft, Inc.
Current Sense Transformers Sensed current up to 40 Amps. For use between 400 Hz to 1 MHz. Very low primary resistance. AEC-Q200 Grade 1 ( -40°C to +125°C). Meets Reinforced Insulation per UL 60950-1. 4000 Vrms, one minute isolation (hipot) winding to winding. RoHS-compliant. 260°C compatible. Tin-silver-copper over tin over copper over steel (pins 1 - 3); Tin-silver-copper over tin over nickel over copper (pins 4 - 5) terminations (read more) -
Triad Magnetics
Designing Effective Current Sense Transformers Design Considerations for Current Sense Transformers. Current sense transformers are instrument transformers designed to detect (i.e., sense) electrical current and convert (i.e., transform) it into a more usable and safe form for the connected device(s). They perform this function by measuring the current flow in the primary winding and producing a proportional current in the secondary winding, enabling the reduction of high-voltage current in the primary winding to a lower value... (read more)Browse Current Sense Transformers Datasheets for Triad Magnetics -
Triad Magnetics
Current Sense Transformers from Triad Magnetics Current Sense Transformers. As their name implies, current sense transformers "sense, " or detect, an electrical current (typically AC), accurately measure it based on Ohm 's Law, and/or "transform " it into more usable voltages for various instruments and devices. When only current sensing is needed, the primary winding is a conductor integral to the application that passes directly through the resistor. If the electrical current needs to be transformed, the current sense transformer may have... (read more)Browse Current Sense Transformers Datasheets for Triad Magnetics -
WAGO
Split-Core Current Transfers WAGO's compact split-core current transformers are ideal for retrofitting existing systems. They are perfect for applications in which the current path must not be disrupted. The transformer's accuracy permits extremely precise current measurements. The split-core current transformers are capable of supplying the specified rated power at the end of the secondary cable. All transformers are supplied with color-coded cables. Two UV-resistant cable ties are also included for secure and easy (read more)Browse Signal Conditioners Datasheets for WAGO -
Majestic Transformer Co.
Guide to Transformer kVA Ratings Guide to Transformer kVA Ratings: Choose the Right One for Your Needs. Understanding the rating of a transformer is essential when choosing a device that handles both voltage and current effectively. Whether you 're working with a high insulation class-rated transformer for a critical industrial application or simply need a reliable unit for your home, knowing how transformers are rated is the first step in ensuring your equipment can handle the required power capacity. Keep Reading (read more)Browse Transformers Datasheets for Majestic Transformer Co. -
Majestic Transformer Co.
Low Inrush Transformers We were approached by a client who was experiencing problems with inrush start up currents on conventional transformers. On long cable runs these high inrush currents (typically 10 - 15 times the full load current of the transformer can be experienced) were causing excessive cable voltage drops and causing other equipment on the supply to drop out. After some discussion with the client, it was decided that the options of offering some form of inrush suppression were not suitable... (read more)Browse Transformers Datasheets for Majestic Transformer Co.
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Contents
… Data Logging System for Use in Food Process Engineering – Convection Dryer Example ...............................................619 4.43 Mehdawi Meftah Abulgasm, Riley N., Ammar Mahhmod, Zolfaghari Hamas Comparing Historical and Current Spectrum Occupancy Measurements in … … Line Communications over Power Transformers ...............................................................627 4.45 Patlins …
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Properties of a prototype Bi-based HTS composite with a high resistivity sheath for resistive fault current limiting applications
V. R. Ramanan, Gilbert N. Riley Jr., Lawrence J. Masur and Steiiier J. Dale, “A vision for applications of HTS transformers ,” paper submitted to Proc. of the 47th International Wire & Cable Symposium, Philadelphia,PA, November 16-20, 1998. … S. Fleshier, R. Diehl, C. Christoplierson, R. Mason, K. DeMoranville, J. Daniel, “ Current limitation in high …
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1998 Index IEEE Transactions On Magnetics Vol. 34
New transformer model including joint air gaps and lamination anisotropy; T-MAG Sep 98 3701-3711 Emson, C.R.I., see Bryant, C.F., T-MAG Sep 98 2559-2562 Emson, C.R.I., C.P. Riley , D.A. Walsh, K. Ueda … Modelling eddy currents induced by rotating systems; T-MAG Sep 98 2593-2596 Emson, C.R.I …
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Author index with titles
Novac B M, Smith I R and Brown J: Magnetically self-insulated transformers 1467 Novac B M … O’Connor D J: see Riley D P 1603 O’Donnell D O: see Lim C K 2344 O’Donnell K P: see Martin … … H¨ayrinen V and Hernberg R: Influence of N–O chemistry on the radiative emission from a direct current nitrogen plasma jet 1109 …
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False Echoes in Line-Type Radar Pulsers
… operator d ( )/dt PFN pulse-forming network R'-despiking resistance (ohms) Re= pulse- transformer loss resistance, referred … … output short-circuited x2=damping factor for close echoes A = ratio of exciting current at the end … … The writer wishes to acknowledge the valuable as- sistance of Messrs. R. N. Riley and E. E …
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Frequency Stable LC Oscillators
… operator d ( )/dt PFN pulse-forming network R'-despiking resistance (ohms) Re= pulse- transformer loss resistance, referred … … output short-circuited x2=damping factor for close echoes A = ratio of exciting current at the end … … The writer wishes to acknowledge the valuable as- sistance of Messrs. R. N. Riley and E. E …
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IEEE transactions on magnetics cumulative index 1985-2000 volumes 21-36 [Subject Index]
Riley , Zhang, B., + , T-MAG Sep 0 02474-2476 transformer laminate, eddy currents and hysteresis modeling.
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1997 Combined Author Index IEEE Industry Applications Society Publications
Single-sensor current regulation in switched reluctance motor drives; IAS 97 645-652 Kjaer, P.C., see … … Klaka, S., see Steimer, P., IAS 97 1592-1599 Kliman, G.B., see Riley , C.M., APEC … A sensor for balancing flux in converters with a high-frequency transformer link; T-IA May-Jun …
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The road to conductors of high temperature superconductors: 10 years do make a difference!
It is these conductors that have en- abled the prototype motors, power cables, transformers and fault current limiters that are now showing that useful utility devices can be made from HTS conductors. Figure 3: 85 filament BSCCO-2223 conductor (counts)' G N. Riley Jr., .
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Estimation of geomagnetically induced currents based on the measurement data of a transformer in a Japanese power network and geoelectric field observations
J Geomagn Geoelec 5(3):59–65 Riley P 1994) An experimental analysis of excitation of transformers by geomagnetically induced currents .
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