Product description Transformer calibrator is a new automatic instrument. We apply advanced electronic technology in the design. By directly decomposing the error signal, it is able to display the percentage, phase error and orthogonal error statistically. It s quick and energy saving. And it s especially good for live testing due to its cute dimension and light weight. Technical Parameters Working Condition: (1) Temperature: 5 (2) Relative humidity:
HGQY-H voltage transformer field tester based on the traditional differential measurement method uses the voltage transformer load error curve extrapolation method mentioned in the newly issued JJG1021-2007 "Power Transformer" Verification Regulations. Using low-voltage extrapolation technology combined with advanced measurement circuits a single instrument can measure electromagnetic voltage transformers from 6kV to 220kV/3 with an accuracy level of 0.05 which is very suitable for field voltage transformer verification. 1. No need for booster voltage standard load box and voltage regulator on site you can achieve the test of voltage transformer ratio difference and angle difference. A single instrument weighs 12 kg which greatly facilitates on-site use. 2. The test speed of the instrument is fast and the measurement of a single voltage transformer does not exceed 1 minute. 3. The instrument is equipped with a micro printer which can print test data on site. 4. It can store 1000 sets of data and can communicate with PC by RS-232 interface. 5. The equipped data management software can be networked with the power system MIS software. 6. Adopt 10.4-inch large-screen LCD display with humanized operation interface and wiring diagram and simple operation guide are attached to the instrument. 7. The output power is large which can meet the required capacity of 220kV voltage transformer boost.
HGQY-H voltage transformer field tester based on the traditional differential measurement method uses the voltage transformer load error curve extrapolation method mentioned in the newly issued JJG1021-2007 "Power Transformer" Verification Regulations. Using low-voltage extrapolation technology combined with advanced measurement circuits a single instrument can measure electromagnetic voltage transformers from 6kV to 220kV/3 with an accuracy level of 0.05 which is very suitable for field voltage transformer verification. 1. No need for booster voltage standard load box and voltage regulator on site you can achieve the test of voltage transformer ratio difference and angle difference. A single instrument weighs 12 kg which greatly facilitates on-site use. 2. The test speed of the instrument is fast and the measurement of a single voltage transformer does not exceed 1 minute. 3. The instrument is equipped with a micro printer which can print test data on site. 4. It can store 1000 sets of data and can communicate with PC by RS-232 interface. 5. The equipped data management software can be networked with the power system MIS software. 6. Adopt 10.4-inch large-screen LCD display with humanized operation interface and wiring diagram and simple operation guide are attached to the instrument. 7. The output power is large which can meet the required capacity of 220kV voltage transformer boost.
The high-voltage electric energy measurement devices of power plants and substations and the electric energy measurement devices of a large number of users are related to the interests of power generation power transmission power supply and multiple parties of users. In order to ensure accurate measurement the inspection must be carried out in accordance with SD109 "Inspection Regulations for Electric Energy Measurement Devices" and DL / T448-2000 "Technical Management Regulations for Electricity Measurement Devices". TKHG-Q current transformer field calibrator was developed based on high-end testing technology large-scale electronic circuit design and in compliance with relevant national regulations. It solves the problems of on-site verification of current transformer and voltage transformer with high working intensity and tedious operation. At the same time the product has reliable performance and powerful functions.
HGQY-H voltage transformer field tester based on the traditional differential measurement method uses the voltage transformer load error curve extrapolation method mentioned in the newly issued JJG1021-2007 "Power Transformer" Verification Regulations. Using low-voltage extrapolation technology combined with advanced measurement circuits a single instrument can measure electromagnetic voltage transformers from 6kV to 220kV/3 with an accuracy level of 0.05 which is very suitable for field voltage transformer verification. 1. No need for booster voltage standard load box and voltage regulator on site you can achieve the test of voltage transformer ratio difference and angle difference. A single instrument weighs 12 kg which greatly facilitates on-site use. 2. The test speed of the instrument is fast and the measurement of a single voltage transformer does not exceed 1 minute. 3. The instrument is equipped with a micro printer which can print test data on site. 4. It can store 1000 sets of data and can communicate with PC by RS-232 interface. 5. The equipped data management software can be networked with the power system MIS software. 6. Adopt 10.4-inch large-screen LCD display with humanized operation interface and wiring diagram and simple operation guide are attached to the instrument. 7. The output power is large which can meet the required capacity of 220kV voltage transformer boost.
The high-voltage electric energy measurement devices of power plants and substations and the electric energy measurement devices of a large number of users are related to the interests of power generation power transmission power supply and multiple parties of users. In order to ensure accurate measurement the inspection must be carried out in accordance with SD109 "Inspection Regulations for Electric Energy Measurement Devices" and DL / T448-2000 "Technical Management Regulations for Electricity Measurement Devices". TKHG-Q current transformer field calibrator was developed based on high-end testing technology large-scale electronic circuit design and in compliance with relevant national regulations. It solves the problems of on-site verification of current transformer and voltage transformer with high working intensity and tedious operation. At the same time the product has reliable performance and powerful functions. 1. The instrument also has a recursive method to measure the current transformer error which is convenient for the on-site verification of the measurement device. 2. On-site verification of current transformers does not require standard current transformers current risers load boxes voltage control boxes and high-current conductors. It uses extremely simple test wiring and operations to achieve the verification of current transformers greatly reducing the work The intensity and working efficiency are improved which is convenient for the on-site verification of transformers. 3. The instrument has a standard voltage transformer equivalent to the same transformation ratio of the measured current transformer. Its accuracy can reach 0.05 level and the transformation ratio and no-load error of the measured current transformer can be accurately measured. Then combine the test results of impedance and admittance to calculate the error of the transformer. 4. Adopt different frequency power supply test close to power frequency to prevent on-site power frequency electromagnetic radiation and series interference. 5. Wide measuring range can reach 5A / 5A ~ 25000A / 5A or 5A / 1A ~ 6300A / 1A.
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Product Introduction Capacitive voltage transformer (CVT) in calibration the test must be conducted under the condition of 50Hz frequency complex geographical condition on site at the same time the traditional experiment device is difficult to meet the requirements of on-site handling testing series resonance booster device is first used in domestic field tunable resonance device has been widely used in domestic 500 kv and below the field calibration of capacitor voltage transformer. Product Parameters Technical parameters Rated Capacity 80kVA rated voltage 160kV Adjustable inductance range 65~130H Rated frequency 50Hz Rated current 0.5A Adjustable gap range 0~300mm
Product description Transformer Standard current transformer are also called precision current transformers, current transformer standards, standard CT and current transformer standards. Transformer standards are divided into current transformer standards and voltage transformer standards. Standard current transformers are used in the error test of transformers. Used as a current transformer calibration standard technical parameter 1. Temperature: 2. Relative humidity 3. Rated Primary Current:5-5000A 5A,1A 4.Rated secondary current:5 1A 5 Accuracy Class 0.05S 6. Allow long-term work under the rated current; More than120A across the core. Precautions: 1. The current of standard CT and tested CT must be the same in CT calibration. 2. Follow the given wiring diagram strictly. 3. Test whether the load box is accurate or not before calibrating the transformer. 4. Forbid secondary winding opening during the calibration. 5. Select demagnetization before calibration.The wiring diagram is shown in figure 5. Short out the secondary winding before cutting off the power when the demagnetization is finished. 6.Principle wiring diagram of CT with large current generator is similar to above diagram. They are the same except the output winding of large current generator and primary winding of transformer are the same one.
Product description Transformer Standard current transformer are also called precision current transformers, current transformer standards, standard CT and current transformer standards. Transformer standards are divided into current transformer standards and voltage transformer standards. Standard current transformers are used in the error test of transformers. Used as a current transformer calibration standard technical parameter Temperature -5 40 Relative humidity 80% Rated Primary Current 5-5000A 5A,1A Rated secondary current 5A 1A Accuracy Class 0.05S Allow long-term work under the rated current; More than120A across the core. Precautions The current of standard CT and tested CT must be the same in CT calibration. Follow the given wiring diagram strictly. Test whether the load box is accurate or not before calibrating the transformer. Forbid secondary winding opening during the calibration. Select demagnetization before calibration.The wiring diagram is shown in figure 5. Short out the secondary winding before cutting off the power when the demagnetization is finished. Principle wiring diagram of CT with large current generator is similar to above diagram. They are the same except the output winding of large current generator and primary winding of transformer are the same one.
HJ series standard voltage transformers are designed and manufactured for the actual needs of basic power supply and production departments.This product has the advantages of compact structure small size light weight easy to carry and easy to operate without maintenance etc. This product is especially suitable for field use and can also be used as standard voltage transformer and test transformer in laboratory. Product nickname, Precision voltage transformer, Calibration voltage transformer Calibrating voltage transformer Standard voltage transformer for calibration PTstandard standardPT High precision voltage transformer high precisionPT
product brief introduction Product Introduction HJ series standard voltage transformers are designed and manufactured for the actual needs of basic power supply and production departments.This product has the advantages of compact structure small size light weight easy to carry and easy to operate without maintenance etc. This product is especially suitable for field use and can also be used as standard voltage transformer and test transformer in laboratory. Product nickname voltage transformer Calibration voltage transformer voltage transformer Standard voltage transformer for calibration PTstandard standardPT High precision voltage transformer high precisionPT
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Product description: standard current transformer is used as a standard for calibrating current transformers, Used as a standard to calibrate current transformer whose accuracy class is two or more lower than itself. The grounding pole of the machine shell must be grounded. To avoid electric shock, the conductor must be connected to the ground Technical index 1. Temperature: -5-40 2. Relative humidity: 80% 3. Allow long-term work under the rated current; More than 600A across the core. Feature; 1. The current of standard CT and tested CT must be the same in CT calibration. 2. Follow the given wiring diagram strictly. 3. Test whether the load box is accurate or not before calibrating the transformer. 4. Forbid secondary winding opening during the calibration. 5. Select demagnetization before calibration.Short out the secondary winding before cutting off the power when the demagnetization is finished. 6.Principle wiring diagram of CT with large current generator is similar to above diagram. They are the same except the output winding of large current generator and primary winding of transformer are the same one.
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High-speed transformer verification device is a new generation of transformer verification device developed by our company. The design idea of virtual instrument is adopted. The user only needs to operate the virtual instrument interface on the computer screen through the mouse and keyboard to input the transformer type range accuracy level capacity power factor and other parameters can complete automatic testing of current transformers and voltage transformers as well as analysis calculation and database management of test results and can be printed according to user needs various records and certificates. 1. The automatic mutual-inductor calibration platform adopts a single chip microcomputer to realize the functions of measurement control and display. 2. With computer interface improve the level of office automation and reduce the labor intensity. 3. Can have a large screen display provide a friendly operation interface and rich measurement information. 4. It can automatically realize the measurement of the transformer and can automatically switch the current and voltage load box. 5. Possess good catching measures and be able to promptly inform users of wrong information. 6. This automatic transformer calibration station can reach level 2. 7. The transformation ratio of the standard transformer and the tested transformer does not have to be equal as long as the rated primary voltage or rated primary current of the standard transformer is greater than or equal to the rated value of the tested transformer it can be directly verified which is more convenient to use.
TRANSFORMER : ALL TYPE : Dry Type/Air Cooled, Oil Cooled, Water. BRAND: SCHNEIDER ELECTRIC AND ALL OTHER BRAND AVAILABLE. we are trader of Distribution Transformer and supply all over world. We have 20 Years Experiance Technical team for Desining and Winding of Diffrent types of Transformer. We have 15 Years Experiance Technical Team for Testing of Transformers. We can supply transformer up to 33kV and up to 5000kVA.
TRANSFORMER : ALL TYPE : Dry Type/Air Cooled, Oil Cooled, Water. We can supply small transformer from 33kV and up to 54000kVA or more. For more details please contact us.
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