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Transformer Insulation Testing
The primary test methods used to assess the condition of the active insulation components in transformers and bushings, on site, include:1) power factor/tan δ,2) variable frequency power factor/tan δ (1 - 500 Hz)3) dielectric frequency response (DFR) [a dielectric response method], and4) moisture in oil measurements (for transformers).
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Transformer Oil Breakdown Voltage Tester
HBVT
Hention Electrical Equipment Co., Ltd.
HBVT Transformer Oil Breakdown Voltage Tester , in accordance with IEC156, is designed to check insulating oil’s dielectric strength.The test set is compact and portable, therefore suitable for field work.
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Automatic Insulation Oil Tester
KVIO-80
KV Hipot Power Test Equipment Co.,Ltd
Automatic Insulation Oil Breakdown Tester Is Used to carry on power frequency dielectric break down test on the transformer oil, capacitor oil, electric device, insulation tool etc.
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Gas Chromatograph for Analyzing
GC2010D
Chongqing Kailian Yongrun Industrial Co.,Ltd.
Transformer uses oil as coolant and insulator. Gases are formed within the transformer oil due to natural aging, faults from oxidation, vaporization, oil breakdown, electrolytic action or insulation decomposition. Because the transformer oil bathes each internal component, dissolved gases in the transformer oil contain lots of diagnostic information. Meanwhile, the transformer is very expensive to be replaced, so monitoring these gases is very important to know the current quality of transformer or even when the transformer should be removed from service before failure. Presence of each gas composition and its concentration indicates possible failure of transformer.
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OIP TYPE VOLTAGE TRANSFORMER
12kV - 145kV post type voltage transformers having Oil Impregnated Paper( OIP) as major insulation has been designed with several unique features.OIP insulated outdoor products are subjected to extreme climatic conditions and hence extra care is taken in the design and manufacturing of such transformers.
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Oil Withstand Voltage Tester
TE 6080
Wuhan Sangao Electrical Test Installations Limit Co.
TE6080 Automatic insulating Oil Tester, in accordance with IEC156, realizes the full automatic determination of insulating oil dielectric strength, make the original tedious and dangerous work become safe and easy. The instrument adopts special software and hardware anti-interference measures to eliminate the competing products prone to crash phenomenon. The new design will reduce the volume to the 1 / 2 of original, easy to carry and operate on-site.
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Oil Resistivity & Tan Delta Test Set-Up
This testing set is an automated instrument, widely used for measuring electrical characteristics of insulating liquids, transformer oil and other insulating material samples.
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High-Voltage DC Power Supplies
Higher-voltage and Higher-power Supplies require more complex design solutions. The heat to be dissipated and installation infrastructure, plus choice of insulation system in a HVPS are driven by the output voltage and output power which ultimately dictates packaging. Typical insulation systems are based on air, dielectric oil, epoxy, RTV Silicone and even Sulfur Hexafluoride (SF6). The method of cooling is a factor as well, the choices often coming down to air, water or oil, depending on the platform design requirements. These applications require Excelitas' detailed understanding to help choose the best design solution.
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Test Sets For Diagnostic Testing
Test Sets For Diagnostic Testing are designed to test Oil Resistivity, Tan Delta, High Voltage Surge Comparison, etc. These test sets are automated instruments used to measure electrical features to insulate transformer oil, liquids and varied other insulating materials. They are ideal for revealing different localized problems and varied weak spots in the insulation. These modern testing sets are designed to provide high accuracy in results. In addition to this, they are easy to maintain testing sets available to ensure accurate readings.
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Insulating Oil Testing
BAUR Prüf- und Messtechnik GmbH
Insulating materials are the elixir of life of electrical equipment. These materials lose their insulating and cooling properties due to impuri ties and ageing. This damages equipment, causes failures and is consequently often accompanied by high costs. Precise and reliable measurement results.
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Insulation Oil Tester
KVJS-7000
KV Hipot Power Test Equipment Co.,Ltd
Insulation oil dielectric loss and resistivity tester is mainly used to test dielectric loss factor and resistivity of insulation oil and liquid insulation medium.
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High Voltage Relays
B-1001
Air insulated types for isolating loads, tap selections, safety discharge & grounding to help meet OSHA and other safety regulations. Ratings from 1mA to 800 amps continuous, to 100,000 amps capacitor discharge. Peak 1 minute test voltages from 5kV to 300kV. Single or Multipole. Auxiliary contacts are optional on all types. Options include latching, extended life, and tungsten contacts available for high current closing. DC, 25-800Hz & air pressure actuation available. Also usable in oil or insulating gas with increased ratings.
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Reactors
Chengdu Mengsheng Electronics Co., Ltd.
Reactors (also called inductors) are key power equipment used to regulate current, voltage and harmonics, and are widely used in power transmission, distribution systems and power electronic equipment. Our reactor products include single-phase reactors, three-phase reactors, air-core reactors, iron-core reactors and, which can meet the needs of different application scenarios. Designed and manufactured with high-quality metal materials and insulating materials to ensure high efficiency and safet...show more -
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Dielectric Strength Meter
Dielectrotest
The Dielectrotest is a fully automatic dielectric oil meter for determining the breakdown voltage of insulating liquid. It is designed for both laboratory and field use for commissioning and maintenance purposes. The test standard is selected via menu.
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Oil BDV Tester
Weshine Electric Manufacturing Co., Ltd
Insulating oil in electrical power apparatus serves two primary roles, as an insulator and a coolant. As an insulating liquid, oil’s most important property is a high dielectric strength and as a cooling liquid, a low viscosity is paramount. The principal nemeses of insulating oil are oxidation, contamination (particularly moisture, which tends to lower the dielectric properties of insulating oil), and excessive temperature.
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Insulating Oil Testing
HAOMAI Electric Test Equipment Co., Ltd.
Tests that are concerned with the immediate condition and acceptability of insulating oil.
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Oil Breakdown Voltage Tester
DTL C
BAUR Prüf- und Messtechnik GmbH
Insulating oil testing with the BAUR DTL C. The established analysis and diagnostic testing of insulating oils with the BAUR DTL C deliver valuable findings in scientific work, research and development. Extensive knowledge on the current state of insulating materials is gaining importance even for the mains network operator. The BAUR DTL C offers the latest and most precise information for efficient oil management in plants in the electricity and other industries.
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Transformer Oil BDV Tester (Single Cup)
HTJY-80B / 288
Wuhan Huatian Electric Power Automation Co., Ltd.
The tester is designed to test the power strength of all kinds of insulating oil.
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Transformer Oil Furan Analyzer
LC2010F
Chongqing Kailian Yongrun Industrial Co.,Ltd.
It is designed to analyze furaldehyde and related furan compounds in transformer oil and other mineral insulating oils.
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Automatic Oil Tan Delta & Resistivity Kit
MOTR
The Motwane Manufacturing Company
Motwane's MOTR is multifunctional automatic test kit designed for accurate measurement of the Dielectric Constant, TanDelta, Resistivity & capacitance of transformer oil & other electrical insulating liquids. It has preprogrammed test sequences as per various International standards along with customized test sequences as per user requirements. Internal memory for 250 tests provided with PC interface & report generation facility. Inbuilt thermal printer for onsite results. Test cell is designed as per IEC247 with calibrator for onsite calibration of kit.
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Insulation Oil BDV Tester
Wuhan Fanke Transformer Manufacture Co., LTD
Insulation Oil BDV Tester
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Insulating Oil Testers
The main functions of electrical insulating oils are heat dissipation and reliable insulation of energised parts of electrical installations. During the normal operation, moisture and other impurities penetrate into insulating oils, leading to a deterioration of their dielectric properties. This in turn may result in catastrophic failures of critical electrical equipment.
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Insulating Oil Dielectric Loss Tester
HTYJS-H / 275
Wuhan Huatian Electric Power Automation Co., Ltd.
Used for measuring dielectric loss and resistivity of insulating oil.
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Insulating Oil Tester / uP Operated
CU Series
UDEYRAJ ELECTRICALS PRIVATE LIMITED
Fully automatic test cycle. Automatic change of sample number of test. Automatic calendar and time running even with power off.
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AC Hipot Tester /DC Hipot Tester
YD-Series
Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
YD series HIPOT tester is applied to test the insulation ability of electric power equipments and insulation materials at power frequency high voltage. The insulation test result of the tester is go or not go. Also the YD series HIPOT tester is a universal power source in HV test. The maximum output voltage and capacity could be customized according the requirements of custom.The tester is consists of single HV transformer and main control box. There are two kinds of HV transformer according to ...show more -
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High Current Switches
B-1002
Ross High Current Switches are available up to 36,000 amps continuous and over 1,700,000 amps 20µsec RC pulse, with voltage ratings of 6 volts to 400kV peak test. Standard Ross high current switches are built with 80 to 120psi air cylinder actuators. Air cylinder or motor operated for high contact force. Arcing contacts optional for closing current. G-10 epoxy glass laminate is standard insulation on most models. G-7 silicone glass is used on models available for RF applications above 100k...show more -
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Transformer Insulating Oil Dielectric Tester
CXYJ-501
Shenzhen Chuangxin Instruments Co., Ltd.
Insulating Oil Tester is designed according to of GB-86 and IEC60156 standards.
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*High Current Switches
B-1002
Ross High Current Switches are available up to 36,000 amps continuous and over 1,700,000 amps 20µsec RC pulse, with voltage ratings of 6 volts to 400kV peak test. Standard Ross high current switches are built with 80 to 120psi air cylinder actuators. Air cylinder or motor operated for high contact force. Arcing contacts optional for closing current. G-10 epoxy glass laminate is standard insulation on most models. G-7 silicone glass is used on models available for RF applications above 100k...show more -
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Oil Breakdown Voltage Tester
DTA 100 C
BAUR Prüf- und Messtechnik GmbH
Insulating oil testing with the BAUR DTA 100 C. The BAUR DTA 100 C oil tester is designed for continuous operation in the laboratory and is characterised by the combination of extraordinary features. As a high-performance device with a test voltage up to 100 kV, with clear breakdown detection and absolutely reliable measurement results even across several measurement sequences, the BAUR DTA 100 C is the leading testing device for users in the electricity and other industries and in testing institutes.
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Oil Breakdown Voltage Tester
DPA 75 C
BAUR Prüf- und Messtechnik GmbH
Insulating oil testing with the BAUR DPA 75C. The BAUR DPA 75C oil tester developed especially for mobile use in the field is one of its kind in the market due to its functionality and excellent user benefits in comparison to the costs. The BAUR DPA 75C delivers clear and reliable measurement results.
