Wuhan UHV after-sales team provides technical support for Henan customers

2023-12-29

Recently, the UHV after-sales team went to Xinyang, Henan Province at the invitation of the customer to provide technical training on the UHV-2000A partial discharge test system and UHV-H200A loop resistance tester for the customer. The UHV after-sales team arrived at the customer's site in the morning. After assembling, debugging, installing and debugging the partial discharge tester, the technicians conducted a detailed operation demonstration and explanation for the customer on site. After confirming that there is no problem with the equipment, at the request of the customer, connect the tested product and prepare to start the withstand voltage test and partial discharge test. Before the official start of the test, the customer communicated with the Wuhan UHV technicians, expressing the hope that the customer's on-site personnel could operate and the technicians would provide guidance. Under the patient guidance of technical personnel, the customer's on-site personnel qu

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Is there a problem with the on-site test? Wuhan UHV after-sales team is here to help!

2023-12-29

Recently, the Wuhan UHV after-sales team received a call from a customer, who said that he had purchased a new UHV-5A DC resistance tester and UHV-332 multi-functional turns ratio tester, but encountered technical problems when using it on site, and needed guidance from Wuhan UHV technicians. After communicating with the customer on the phone, it was learned that when the customer used it on site, the DC resistance tester kept showing the overrange, and the multi-function ratio tester could not measure the transformation ratio of the transformer. Subsequently, UHV technicians made a video call with the customer for the first time, but the customer reported that the signal at the project site was not very good. As a result, the technician asked the customer to reflect the problem in the form of pictures and short videos. Immediately received the on-site pictures and short videos sent by the customer, and the UHV technicians quickly made a judgment after learning about the specific situa

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After-sales | Wuhan UHV after-sales team provides technical support for Sichuan customers

2023-12-22

Recently, the Wuhan UHV after-sales service team received an invitation from a customer in Dezhou, Sichuan, to provide technical guidance to the customer's UHV-660 trace moisture analyzer and UHV-645 oil chromatography analyzer. The two instruments are mainly used for the testing of transformer insulating oil, which can effectively prevent and discover the hidden or latent problems of transformer insulating oil. First, the UHV-660 trace moisture analyzer is explained, which uses the Karl-Fischer coulomb titration method, which can reliably measure the trace moisture of transformer oil samples, and the measurement range is 1ug~100mg. It can store up to 1000 data records, which are widely used in electric power, petroleum, chemical, pharmaceutical, railway, environmental protection, scientific research institutions and other industries. The instrument accessories are unpacked, the test container is cleaned, and the electrolyte is added, the height of the electrolyte can be within the

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Wuhan UHV after-sales service team set off again to provide technical support for Beijing Electric Power Engineering Company

2023-12-15

Recently, the Wuhan UHV after-sales service team received an after-sales invitation from Beijing Electric Power Engineering Co., Ltd. to provide technical support for several instruments such as HTXZ series resonance test device, GM-5kV adjustable high-voltage digital megohmmeter, ZGF DC high-voltage generator, HTJF-8003 partial discharge detector and HTXL-H transmission line fault distance tester.Subsequently, Wuhan UHV technicians and Yang Gong, the on-site tester of the customer company, agreed on the time, arrived in Yuzhou City, Henan Province in the morning of the same day, and went to the project site in the afternoon to check the situation of the test products. The test samples include 110kV cable and 110kV zinc oxide arrester. The three-phase 380V power supply cannot be found in the field environment, so it is necessary to prepare a generator to supply power to the resonant equipment. In the afternoon, after all the preparations are in place, the trial officially begins. The s

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Wuhan UHV dispatched an after-sales service team to Jiaozuo to carry out after-sales training

2023-12-15

Recently, a customer in Zibo, Shandong Province purchased a batch of high-voltage test equipment in Wuhan UHV. Subsequently, at the request of the customer, Wuhan UHV sent an after-sales service team to Jiaozuo to carry out after-sales training. After arriving at the destination, Wuhan UHV technicians got in touch with the customer in time and learned that the customer needed to conduct a power handover test on a 10kV power distribution room. In addition, it is necessary for technicians to train the equipment and guide the customer to complete the corresponding test of each equipment. The equipment of this training includes ZGF series DC high-voltage generator, HTXZ variable frequency series resonant withstand voltage test device, HTZZ-10A DC resistance tester, HTHL-100A loop resistance tester, HT-802 microcomputer relay protection tester, HTGK-III high-voltage switching characteristics tester and a series of power test equipment. On the morning of the next day, Wuhan UHV technicians a

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How to use the series resonant device? Wuhan UHV after-sales team provides on-site guidance for customers!

2023-12-08

At the invitation of the customer, the Wuhan UHV after-sales service team went to the customer's project site to conduct training and guidance on the HTXZ-1536kV/270kV variable frequency series resonant withstand voltage test device. After contacting the customer, Wuhan UHV technicians arrived smoothly at the required time. After the technical personnel communicated with the person in charge of the site, it was learned that the customer used the HTXZ-1536kV/270kV variable frequency series resonance withstands voltage test device to carry out the AC withstand voltage test on a 110kV cable with a length of 1.4 kilometers and a cross-section of 1000mm², so the combination of two reactors in parallel was used for the withstand voltage test. First, Wuhan UHV technicians arrived at the customer test site to assemble and provide on-site wiring guidance for the HTXZ-1536kV/270kV variable frequency series resonant withstand voltage test device. After the equipment is assembled and the wirin

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Wuhan UHV after-sales team was appreciated and provided commissioning services for customers in Shanghai!

2023-12-07

Recently, a transformer manufacturer in Shanghai ordered a set of HTBZ-H transformer comprehensive test bench for UHV in Wuhan. The after-sales department of Wuhan UHV immediately dispatched technicians to the customer's site for the installation, commissioning, and training of the whole set of equipment.After communicating with the customer, the technician arrived in Shanghai that evening, and after inquiring about the equipment, it was decided to go to the installation early the next morning.After the commissioning personnel arrived at the site, they determined the placement of the main control console, measuring cabinet, intermediate transformer, voltage regulator, generator set and test transformer and other components in the whole set of equipment according to the customer's requirements, and then began to measure the cable length and specifications required for installation. After determining the materials required on site, Wuhan UHV technicians communicated with the cust

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Wuhan UHV carry out online technical guidance for assist the test project of Xinjiang!

2023-11-29

Recently, the Wuhan UHV after-sales service team received the invitation of Xinjiang Water Conservancy and Hydropower Survey, Design and Research Institute to do after-sales service for a batch of equipment purchased.Through the online meeting, a total of 17 people from both sides were online. Wuhan UHV technicians first made an overall introduction to the purchased instruments, and divided the instruments that can be tested on the spot, and after confirming the on-site test instruments, the technicians began to guide the instruments that can be tested in the room one by one.The first is the ZGF series DC high-voltage generator produced by Wuhan UHV, the maximum voltage can rise to 60kV, and the maximum current is 2mA, which can fully meet the DC characteristic test of 10kV zinc oxide arrester. When the DC characteristics of the zinc oxide arrester are done, the main attention is paid to the current reaching 1 mA, the voltage currently is the breakdown voltage of the zinc oxide arreste

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After-sales-Wuhan UHV technicians provide technical support for customers in Hunan

2023-11-22

Recently, Wuhan UHV after-sales service team was invited by Hunan customers to carry out technical training on HTXZ frequency conversion series resonance test device, HT2671 digital megohm meter, HTBC-H automatic transformer ratio group tester, HTZZ-5A DC resistance rapid tester and other products. Subsequently, Wuhan UHV technicians agreed with Huang Gong, the on-site person in charge of the customer company, and Wuhan UHV technicians arrived one day in advance. After communicating with Huang Gong, I learned that this is a simulation of preventive tests on 10kV transformers and cables in operation, mainly to learn the test items and operations of preventive tests related to this batch of equipment. The next day, Wuhan UHV technicians arrived at the scene and the preparation work was completed. Officially start the test, the first measurement is the insulation resistance of the transformer, the transformer high-voltage side and low-voltage side of the three-phase short-circuit, groundi

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After-sales staff door-to-door guidance! Shandong transformer manufacturer purchased a set of Wuhan UHV series resonance device

2023-11-22

Recently, a transformer manufacturer in Shandong ordered a set of Wuhan UHV HTXZ-120kVA/120kV frequency conversion series resonance test device. As customers need to provide on-site guidance, Wuhan UHV after-sales Department immediately dispatched technical personnel to the customer site for after-sales training.The next day, after the Wuhan UHV technical staff arrived at the scene and communicated with the customer, they learned that the customer purchased this test equipment mainly for the AC voltage withstand test of the transformer factory test. After understanding the general information, technicians and customers go to the test area to assemble and debug the equipment.After confirming that there is no problem with the equipment, prepare to start the pressure test. The test object is a 35kV oil-immersed transformer. The technicians short-earthed the three-phase on the low-voltage side of the transformer and connected the three-phase on the high-voltage side to the high-voltage out

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Hubei customers cooperate smoothly

2022-09-16

The customer said that he would definitely look for opportunities to visit Wuhan UHV and learn from each other.....

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Highly appreciated by customers!

2022-09-09

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Jilin customers cooperate again!

2022-09-02

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Successful cooperation with Tianjin cust...

2022-08-26

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Add new orders to the international mark...

2022-08-19

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