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As a professional supplier in the high voltage test equipment business, Samgor has a reputation for quality and reliability based on extensive product and vast experience. Samgor provide the test, measurement and diagnostic equipment for a wide range of electrical applications. Test systems for laboratory, factory and field use are available.
Samgor Technology
 

Epoxy Fiber Glass High Voltage Tube

Post date:2008-08-21
Expiry date:2009-02-05

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Selling lead description:


We are offering epoxy fiber glass high voltage tube is made of special epoxy (high-temperature resistance and ultra low viscosity property) and high-quality glass fiber, you can make high voltage and sf6 extra high-voltage composite busing to 2000kv. reinforced with silicon rubber for outdoor use, this product has high bending property and excellent mechanical.

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Member since: 2008-03-27
Country: China
 Contact details:
Tel: 86 21 58545020
Fax: 86 21 58545019
Website: http://www.samgor.com
Address: 1501/A Jian Yin Plaza No.289 Zheqiao Rd. Pudong, Shanghai, - China
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SG7001 is an important basic measurement for power transformer diagnosis. It helps to detect faulty transformer windings as well as defective tap changer positions. This advanced instrument automatically recognizes winding connections and vector group numbers of transformer windings. Just connect the measuring cables and press the start button and get the test results. SG7001 can directly measure the turns ratio of single-phase transformers as well as three-phase transformers. Deviations in these measurements will quickly indicate problems in transformer windings and in the magnetic core circuits. Transformer ratio can change due to several factors, including physical damage from faults, deteriorated insulation, contamination and shipping damage. If a transformer ratio deviates more than 0.5 percent from the rated voltage ratio, it may not operate reliably. To measure small ratio changes such as this, the accuracy of a SG7001 is needed. The SG7001 is particularly suited for testing in substations, transformer-manufacturing environments, and meter shops. It features a high-contrast, backlit LCD screen which can be seen in bright or ambient light.
SG7001 Transformer Turns Ratio Meter		 Dissipation factor tanδ standards are designed for checking the accuracy of capacitance and a tanδ standard is basically a standard capacitor in series with a resistor. To avoid excessive resistance values, a 1000pF capacitor with a negligible dissipation factor is used. Samgor has determined the following tanδ values for a measuring frequency or 50Hz. However, the actual standard-unit resistor values differ from these theoretical values. Owing to quite considerable scatter of the partial calibrated jointly with the standard capacitor.
Disspitation Factor tanδ Standards		 The SG4003 partial discharge detector is the ideal solution for pass/fail partial discharge testing; incorporating all the basic functions of an analog detector and meets all IEC and IEEE/ANSI standards for PD testing. We’ve eliminated the costly advanced features associated with fully computerized PD detectors. It’s designed to help you modernize your facility at an affordable price, and it’s simple to operate. The SG4003 provides the most intuitive and easiest to use operator interface of any available digital PD testing system. Data analysis is fast, easy and requires little training. Its Windows™-based software allows flexible test recording and data export to Word™, Excel™ and other Windows programs. In addition, only the SG4003 provides a completely open-architecture hardware and software solution through the use of the fastest processors.
SG4003 Partial Discharge Measuring System		 SPECIFICATIONS: 1.Reference Standard: Q/KJX 15-2004 2.Capacitance Range: 10μF～10000μF 3.Capacitance Tolerance: 0～10% 4.Rated Voltage: 3kV～60kV 5.Dissipation Factor (Tangent of Loss Angle): ≤0.006 (1kHz) 6.Insulation Resistance: RC≥7500MΩ•μF 7. High energy density：≥0.7J/cm3 8. Expected Life：≥5000 times 9 charge frequencies：1～300 times/minute 10.Voltage Proof: 1.1Un～1.5Un, 2s 11. Insulation level between poles and enclosure 2Un, 1min 12.Operating Temperature Range: -25℃～40℃ 13.Max. Usable Altitude: 1000m We also can provide many kinds of capacitors according to the customer's requirement.
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