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Good news of winning the bid! Wuhan UHV Wins State Grid Jibei Power Company Procurement Project
2024-04-24Recently, Wuhan UHV stood out in the competitive negotiation procurement activity of the first piecemeal material framework (new) of State Grid Jibei Electric Power Company in 2023, successfully won the bidding for the supply project of fault testers, and has efficiently and punctually completed the production and delivery of the first batch of products. During this fierce bidding process, Wuhan UHV prepared carefully, went all out, and successfully passed the strict evaluation standards and comprehensive inspection of State Grid Jibei Electric Power Company with rigorous scientific program design, strict quality management system, energy efficient product performance, considerate and thoughtful after-sales service and good market reputation accumulated over a long period of time.The successful UHV-500 Cable Fault Location Detector is equipped with a high-voltage cable system insulation fault location system integrating burn-through and intelligent bridge, with burn-through function ou
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Wuhan UHV after-sales team provides training and after-sales technical services to Beijing customers
2024-04-24Recently, Wuhan UHV after-sales team received an invitation from a customer in Beijing to arrive at the test site to provide training and after-sales technical services for its on-site test personnel, and the instrument used for the training is the UHV(V) Lightning Impulse Voltage Generator Test Device.Impulse voltage test system is a test equipment to simulate impulse high voltage. In real life, impulse high voltage is often encountered. For example, in nature, lightning strikes thunder, lightning will appear very high impulse current and voltage, around the high impulse voltage will also be induced; Another example, in the power system, switchgear closing and breaking operation will also lead to transient impulse voltage. These transient impulse voltage amplitude is often in tens of kilovolts or hundreds of kilovolts or more, will lead to equipment damage and jeopardize personal safety, so the impact voltage test research is very necessary. On the other hand, it is also meaningful to
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Specially traveled to Guizhou, Wuhan UHV after-sales technicians provided customers with professional training
2024-04-24Recently, after-sales technicians from Wuhan UHV traveled to Guizhou to provide technical training for the customer. The customer in Guizhou purchased a series of equipments such as UHV Frequency Conversion AC Series Resonant Test System, GM-5kV Adjustable Insulation Resistance Tester Meter, etc. Due to the fact that the customer purchased more kinds of equipments and needed to apply them in the field experiment, the after-sales team of Wuhan UHV provided a four-day in-depth technical training, which was designed to enable the customer to fully grasp the way of using and the working principle of each piece of equipment. The excitation transformer is used to stimulate the series resonance circuit. By adjusting the output frequency of the inverter controller, the circuit inductor L and capacitor C are resonated in series. The inductor L and capacitor C of the circuit are resonated in series by adjusting the output frequency of the inductor L and capacitor C. The inverter controller provi
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After-sales service is carried out, Wuhan UHV provides product technical training for Lanzhou customers
2024-04-03Recently, the after-sales technical personnel of Wuhan UHV Company went to Lanzhou to provide customers with product technical training, and the customer purchased a set of UHV-135kVA/108kV series resonance withstand voltage test device. After the after-sales personnel of Wuhan UHV Company arrived in Lanzhou, they arrived at the customer company in Yinchuan the next morning for theoretical knowledge training and on-site airlift test guidance. UHV-135kVA/108kV series resonance scheme adopts the method of adjusting the power supply frequency to make the reactor and the capacitor under test resonate, to obtain high voltage and high current on the tested product. Wuhan UHV technicians went to the customer company, and in the morning, they first trained all the staff in the office on theoretical knowledge, which mainly included the basic principle of series resonance and how to choose the connection method of the reactor in the face of different tested products. After ensuring that the cust
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Good News! Wuhan UHV Supplies Batch to State Grid Tibet
2024-04-02Recently, the market department of Wuhan UHV once again reported good news! A long-time client from Henan Province secured a bid with State Grid Tibet. Immediately after winning the bid, they contacted Mr. Geng, the manager responsible for Wuhan UHV in the Henan region. Prior to this, the client had been cooperating with Wuhan UHV and had a high level of recognition for their product quality, functionality, and service. After receiving the specifications, Manager Geng meticulously compared them. It was confirmed that Wuhan UHV's UHV-520 Off line Power Cable Identification Tester, UHV-521 Live line Cable Identification Device, and UHV-2571 Digital Ground Earth Resistance Meter matched the required product parameters. With the parameters confirmed, and due to their longstanding relationship as clients, a solid foundation of cooperation was already established. The client promptly drafted the contract, and after mutual confirmation of its accuracy, the contract was smoothly signed. Th
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Excellent quality,in place service, best quality of products won the recognition of customers
2024-03-25The quality is excellent and the service is in place, the strength has won the recognition of customers, and the old and new have successfully signed orders! In early September, Mr. Li, an old customer from Tianjin, contacted Manager Hong, the head of Wuhan UHV Hebei region. In the subsequent conversation, Tianjin’s old customers were very satisfied with the experience of using Wuhan UHV equipment and gave positive feedback on the effects of use. Therefore, he recommended a new customer to Wuhan UHV. The new customer's purchase requirements include SGB series AC DC digital divider high voltage meters and UHV-280 Auto Insulation Boots Gloves Withstand Voltage Test Device and other equipment. The new customer has very high requirements on the performance, parameters and after-sales service of the equipment, so they conducted detailed communication and inspection on Wuhan UHV. In response to the new customers' focus on equipment, Manager Hong explained in detail the main parameter
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Wuhan UHV after-sales service team provides after-sales guidance for Guilin Iron and Steel Company
2024-01-11Recently, the Wuhan UHV after-sales service team was invited by Guilin Iron and Steel Company to conduct after-sales training for UHV-135kVA/108kV variable frequency series resonant withstand voltage device, UHV-1200 microcomputer relay protection tester, UHV-20A DC resistance rapid tester, UHV-645 oil chromatography analyzer, UHV-660 oil moisture analyzer, UHV-680A automatic insulating oil dielectric strength tester and other equipment. After arriving at Ertang Industrial Concentration Zone, Pingle County, Guilin City, the technicians communicated with Ou Gong, the person in charge of the customer company, on the spot as soon as possible, and confirmed that the after-sales training would officially start the next day. On the day of the test, the oil chromatography analyzer was first commissioned. The oil chromatography analyzer is composed of the analyzer host, air generator, hydrogen generator, 5 9 high-purity nitrogen cylinders (also known as carrier gas), standard gas cylinders, os
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After-sales | Wuhan UHV conducted insulation withstand voltage tests for 14 cables of Daye photovoltaic substation
2024-01-11Recently, Daye Electric Power Engineering Co., Ltd. invited the UHV power after-sales service team to provide technical support and conduct insulation withstand voltage tests for 14 cables of a photovoltaic substation in Daye. Before going to the test site, UHV technicians asked the site personnel about the specific parameters of the cable, and learned that the rated voltage of the cable is 35kV, the shortest is more than 100 meters, and the longest is 3km. According to these parameters, the technicians chose to use the UHV-540kVA/270kV series resonant withstand voltage test device. At noon on the same day, the technicians arrived at the test site. Subsequently, according to the test environment of the site, the technicians began to assemble the test equipment, and at the same time, according to the cable parameters provided by the on-site personnel, the reactor was reasonably connected in series and parallel and the cable was tested for withstand voltage. After half an hour of on-site
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After-sales style | Wuhan UHV conducted a preventive test of power for Hydroelectric Power Plant in Ganzhou, Jiangxi Province
2024-01-03Recently, Xian Tao customers invited Wuhan UHV to do a preventive power test for Ganzhou Hydroelectric Power Plant in Jiangxi Province. The test includes hydro-generator test, current transformer test, voltage transformer test, cable test, vacuum circuit breaker test, excitation transformer test and relay protection test.According to the content of the test, Wuhan UHV technicians counted the equipment and tools used in the test and drove to the test site as soon as possible. After arriving at the test site, the technicians formulated a detailed work plan for the test content, which is expected to take one day to complete.On the morning of the same day, the technicians decided to complete the test of the generator first, including the insulation resistance test of the stator winding, the DC resistance test of the stator winding, the DC withstand voltage and leakage current test of the stator winding, as well as the insulation resistance test, DC resistance test and AC impedance test of
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The high professionalism of the technical personnel was praised! Shaanxi customers purchased a set of Wuhan UHV series resonant device
2024-01-03Since its establishment, Wuhan UHV has been innovating and extending service functions, striving for excellence to improve service quality, leading innovation, and striving to be the "leader" of the industry. After the resumption of work and production in the new year, the UHV marketing department continued to receive orders one after another. Recently, the marketing department has spread good news again, and Shaanxi customers purchased a set of Wuhan UHV series resonance withstand voltage test device. The customer company is mainly engaged in power engineering, survey, and technical consulting services, and integrates the sales of complete sets of power equipment, and is a comprehensive power engineering service provider. At the beginning of February, the person in charge of the customer company contacted the sales manager of Wuhan UHV and learned that some cables needed to be tested for withstand voltage, so it was urgent to purchase a set of series resonant withstand voltage test de
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Wuhan UHV after-sales team provides technical support for Henan customers
2023-12-29Recently, 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!
2023-12-29Recently, 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
2023-12-22Recently, 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
2023-12-15Recently, 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
2023-12-15Recently, 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!
2023-12-08At 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!
2023-12-07Recently, 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!
2023-11-29Recently, 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
2023-11-22Recently, 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
2023-11-22Recently, 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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