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Core Loss

inductor energy loss due to changing magnetic field.

See Also: Magnetic, Hysteresis Loop


Showing results: 16 - 23 of 23 items found.

  • Optical Fiber Identifier

    OrienTek Optical Technology Ltd.

    Optocal Fiber Identifier Economical Solution for Integrated Fiber Preparation Tool Demand● 4 easy-change chucks for:bare fiber, patch cords & ribbon fiber● Identifies 3 common test tones● Identifies dominant traffic direction, audible alarm● Approximate core power reading● Low false detection & insertion loss● Very easy to operate● Battery low indication

  • Fiber Inspection and Cleaning

    Fluke Networks

    Dust - just because you can't see it doesn't mean it's not there. A 1-micrometer dust particle on a single-mode core can block up to 1% of the light (a 0.05dB loss). The only way to know it's clean is to inspect it before you connect it. And if it's dirty, it needs to be cleaned with the right tools or you might just make it worse. Know it's clean with our cleaning and inspection tools.

  • Single Fiber Fusion Splicer

    OSC-700 - OPTOKON a.s.

    The OPTOKON OSC-700 is an automatic fusion splicer for SM, MM, DS, NZ-DS (G655), EDF and other fibers. The OSC-700 is capable of ensuring high-quality splicing even in the most unfavorable environment conditions. The OSC-700 splicers are suitable for core or cladding alignment. Using one of these methods the two cleaved fibers are automatically aligned by the fusion splicer in the X, Y plane, then are fused together. The bare fiber area is protected either by recoating or with a splice protector. A splice protector is a heat shrinkable tube with a strength member and less loss.

  • Split Core Current Transformers

    LZCK-55 - Beijing GFUVE Electronics Co.,Ltd.

    Outdoor waterproof current transformers are applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV also can be used for microcomputer protection. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, has the characteristics of Small magnetic circuit loss and can be split, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case(ABS or PC) which is flame retardance anti-moisture, stable performance, no maintenance.

  • 400/5A CHEAP SPLIT CORE CAST RESIN CURRENT TRANSFORMER

    LZCK310-10 - Beijing GFUVE Electronics Co.,Ltd.

    LZCK series outdoor waterproof current transformers are applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV also can be used for microcomputer protection. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, has the characteristics of Small magnetic circuit loss and can be split, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case(ABS or PC) which is flame retardance anti-moisture, stable performance, no maintenance.

  • Round Wire Coil Inductors

    Pulse Electronics

    Round wire coil (RWC) inductors come in six platform sizes and enable the highest efficiency of any SMT inductor through the use of a low loss ferrite core material which minimizes AC losses and also eliminates thermal ageing.   The use of round magnetic wire instead of rectangular flat coils enables a lower cost while still maintaining a low DCR and small footprint.   The platforms have passed the AEC-Q200 stress test qualification proving the designs robustness and suitability to difficult environments but the parts are not IATF certified.  The platform range from 7.6×7.4×6.4mm to 26x26x15mm and are suitable for a wide range of applications and markets including communications, computing and industrial.

  • Electronic Components Test

    Lisun Electronics Inc.

    Parameters to be measured (absolute value): Measure hypo-class U, Iout, Hz, Hc, Br, Bm, Hm, Br /Bm, m, magnetic core loss, B-H curve, U curve and I curve Output capacity of the high frequency power: Uout: 1~300V, Iout: 0.05~5A, Pout: 300VA, frequency: 10~300kHz Accuracy: 2% With 12-bit high-speed A/D, sampling rate up to 40MHz, ensuring data precise and stable test result Supermaximal database, suitable for almost all kinds of magnetic material in market, such as: circle, E ,U , ETD-EER, JAR, RM , EP , PM , EL , ER, PQ, EFD, plane E, etc Perfect software interface enables observation of curve in detail Meet international test requirements for magnetic particle ASTM E1444, ASTM E709-08.

  • Three-Phase Transformer Demagnetizer

    DEM60C - IBEKO Power AB

    After a DC current test, such as winding resistance measurement, the magnetic core of a power or instrument transformer may be magnetized (remnant magnetism). It can cause various problems such as wrong diagnostics, inaccurate measurements on a transformer, inrush current at the start-up of a power transformer, or incorrect operation of protective relays due to magnetized CT cores. The best way to eliminate this source of potential problems is to use demagnetizer on the power or instrument transformer.The DEM60C is a fully automatic test instrument which performs three-phase transformer demagnetization. Transformer magnetic core demagnetization requires the application of AC current with magnitude decreasing to zero. DEM60C provides this AC current by internally changing the polarity of a controlled DC current. During the demagnetization process, the instrument supplies the current at decreasing magnitude for each step, following a proprietary algorithm. It can demagnetize single-phase and three-phase power transformers.The instrument can be connected to all three phases of a power transformer to be demagnetized, on either the primary or the secondary side. If a user selects specific vector diagrams for different types of transformers, DEM60C will run a specific demagnetization procedure for each transformer type (i.e., single phase, delta, wye/star, zig-zag.) without switching the test leads.DEM60C enables safe and efficient power transformer demagnetization. The instrument automatically regulates the injection of current and discharging energy from the inductance. During and after the operation, an intrinsically safe discharge circuit with an indicator rapidly dissipates the stored magnetic energy. The discharging circuit is independent of the power supply, which improves its reliability in case of loss of power.Test currents of up to 60 A DC enable efficient demagnetization of even the largest power transformers. Using a DV Win software, it is possible to control DEM60C externally.

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