logo
about us
Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
Xi'an Xu&Hui Electromechanical Technology Co., Ltd. Established on February 1, 2013, and headquartered in Xi'an, China, XZH TEST operates a dedicated four-story R&D and manufacturing facility spanning 3,000 square meters. Leveraging partnerships with prestigious institutions—such as Xidian University, Xi'an Jiaotong University, and various high-voltage research institutes—the company provides advanced high-voltage testing equipment and instrumentation. It serves a wide range of clients, including power system sectors (generation, transformation, distribution, and consumption), research organizations, and manufacturers of power equipment. XZH TEST is a national-level high-tech enterprise integrating research and development, production, sales, training, and service. We sincerely hold the tenet of "quality first, customers supreme, honor commitment trust worthy".Stays commitment R&D about electric power detection equipment and electric power automation, since its foundation, the company keeps living up to the belief of: "Create high-quality brand, casting first-class enterprise image". Also, we make the "steady development, the best quality "as the core concept of the enterprise.Our goal is to provide our customers with reliable test and measurement equipment that more safe and easy to use, we make measurement easier! Our Team We possess a highly experienced professional team, and our product design, R&D, manufacturing, and verification processes strictly adhere to ISO 9001 and CE standards, ensuring consistently superior quality. Dedicated to the research and development of electrical measurement instruments, our product portfolio encompasses a wide range of electrical testing equipment, including underground cable fault location systems, power transformer testing units, AC/DC withstand voltage (Hipot) testers, and insulation resistance testers. Leveraging our extensive expertise in measurement technology and continuous innovation—complemented by comprehensive service and technical support—we are committed to creating maximum value for our customers and delivering the most reliable electrical measurement solutions. Factory scene Our modern manufacturing plant features tidy, well-lit workshops with strict 5S management. Well-organized production zones, complete ventilation and purification systems create a clean, safe working environment, ensuring high-precision production for all power testing equipment. Certification Our enterprise holds complete authoritative qualifications including high-tech enterprise certificate, ISO quality management system certification, dozens of independent patents and professional power industry access licenses. All our power testing equipment passes strict standard performance inspection, full compliance certificates support domestic bidding and overseas export, reliable certification guarantees stable and high-quality products for global power engineering customers.
read more >>
0

No. of Employees
0

Annual Sales
0

Year Established
Created with Pixso.
0

Export p.c

News

Global Grid Investment Accelerates in 2026 as Cable Supply and Grid Capacity Become Critical Challenges 2026-08-13 .gtr-news-grid { font-family: Verdana, Helvetica, Arial, sans-serif; max-width: 100%; margin: 0 auto; color: #333333; line-height: 2; font-size: 15px; } .gtr-news-grid * { box-sizing: border-box; } .gtr-news-grid p { font-size: 15px; text-align: justify; line-height: 2; margin: 0 0 14px 0; color: #333333; } .gtr-news-grid .gtr-news-title { font-size: 22px; font-weight: bold; color: #2c3e50; margin: 0 0 6px 0; display: block; text-align: left; line-height: 1.5; } .gtr-news-grid .gtr-news-meta { font-size: 13px; color: #7f8c8d; margin: 0 0 18px 0; display: block; text-align: left; border-bottom: 1px solid #e0e4e8; padding-bottom: 10px; } .gtr-news-grid h2 { font-size: 18px; font-weight: bold; color: #2c3e50; margin: 28px 0 12px 0; border-left: 4px solid #2c3e50; padding-left: 10px; line-height: 1.6; } .gtr-news-grid ul { list-style: none !important; padding-left: 0; margin: 0 0 14px 0; } .gtr-news-grid li { list-style: none !important; position: relative; padding-left: 20px; margin: 8px 0; font-size: 15px; text-align: justify; line-height: 2; } .gtr-news-grid ul li::before { content: "\2022" !important; position: absolute !important; left: 0 !important; color: #2c3e50; font-size: 16px; line-height: 2; } .gtr-news-grid strong { color: #2c3e50; } .gtr-news-grid .gtr-news-note { font-size: 13px; color: #7f8c8d; font-style: italic; margin: 20px 0 0 0; padding-top: 12px; border-top: 1px dashed #e0e4e8; text-align: justify; line-height: 2; } .gtr-news-grid a { color: #1a6fb5; text-decoration: none; } @media (min-width: 768px) { .gtr-news-grid { padding: 0 10px; } } Global Grid Investment Accelerates in 2026 as Cable Supply and Grid Capacity Become Critical Challenges Global Power Cable Industry News | August 2026 Global electricity infrastructure is entering a new investment cycle in 2026, with grid capacity, transmission infrastructure and power cable supply becoming increasingly important issues for utilities and energy developers. Global Grid Investment Is Rising According to the International Energy Agency (IEA), global electricity demand continues to grow as data centers, electric vehicles, industrial activity, cooling demand and electrification increase the need for reliable power supply. The IEA estimates that annual investment in electricity grids needs to rise significantly through 2030 to keep pace with new generation and growing electricity consumption. In 2026, global investment in grids is expected to approach US$550 billion, highlighting the increasing importance of transmission and distribution infrastructure. For power cable manufacturers, utilities and contractors, this investment cycle is creating strong demand for medium-voltage, high-voltage and extra-high-voltage cable systems. Grid Capacity Is Becoming a Major Bottleneck One of the most important challenges is not simply generating more electricity, but connecting new generation and large electricity consumers to the grid. The IEA has reported that more than 2,500 GW of renewable generation, large-load and storage projects are currently waiting in grid connection queues worldwide. In many regions, the availability of transmission capacity and the time required to build new grid infrastructure are limiting the speed at which projects can move forward. This situation is increasing pressure on utilities and grid operators to improve planning, expand transmission networks and maintain existing cable assets more efficiently. Cable Supply Chains Face Longer Lead Times The expansion of power grids is also putting pressure on the supply chain for key electrical infrastructure. Recent IEA analysis indicates that procurement times for power cables and large power transformers have increased substantially since 2021. For some cable projects, procurement can take several years, particularly where high-voltage, extra-high-voltage or submarine cable systems are involved. Longer lead times make asset reliability increasingly important. When replacement cables or major components cannot be obtained quickly, detecting and locating faults accurately can help utilities reduce outage duration and avoid unnecessary replacement work. Why Cable Reliability Matters More Than Ever As cable networks become larger and more complex, cable reliability is becoming a critical part of power-system resilience. Underground cables, industrial power cables, distribution cables and high-voltage transmission systems can be affected by insulation aging, mechanical damage, moisture ingress, joint failures and other problems. A cable fault can interrupt power supply and create significant costs for utilities, industrial facilities and infrastructure operators. Modern cable fault location and testing technologies can help maintenance teams identify fault conditions, estimate fault distance and support faster repair decisions. These capabilities are particularly valuable when network expansion increases the number and geographic spread of cable assets. Implications for the Power Cable Testing Industry The current global grid investment trend is creating opportunities not only for cable manufacturers and EPC contractors, but also for companies involved in cable testing, diagnostics and fault location. As utilities invest in new cable systems while continuing to operate aging infrastructure, testing before commissioning and diagnostic testing during maintenance can become increasingly important. Accurate fault location can also help reduce troubleshooting time when cable failures occur. For equipment providers such as XZH TEST, the development of global transmission and distribution networks reinforces the importance of portable, reliable and practical cable fault detection technologies for field engineers and maintenance teams. Looking Ahead The global electricity sector is moving toward higher electricity demand, larger renewable-energy integration and more complex transmission networks. These changes are expected to increase the need for new cable infrastructure while placing greater emphasis on the reliability of existing assets. In this environment, investment in cable manufacturing capacity, grid expansion, preventive testing and fault detection will remain important parts of power-system development. As the global grid continues to expand, reliable cable testing and fault location will play an increasingly important role in maintaining safe and stable electricity supply. Sources International Energy Agency (IEA), Electricity 2026 – Grids. International Energy Agency (IEA), Building the Future Transmission Grid. International Energy Agency (IEA), World Energy Investment 2026. International Energy Agency (IEA), Global Electricity Mid-Year Update 2026. Editorial note: This article summarizes publicly available industry information and IEA analysis. Figures and forecasts should be checked against the latest source releases before publication if the article is republished at a later date.
CICA Inaugural Competition: Xi'an XZH TEST Equipment Named Official Designated Competition Facility 2026-07-06 The inaugural CICA Member States Workers' Skills Competition was held in Guangzhou from June 30 to July 4, 2026. This marked the first international skills competition for workers organized within the framework of the Conference on Interaction and Confidence Building Measures in Asia (CICA). The event was hosted by the All-China Federation of Trade Unions and organized by the China Workers' Centre for International Exchange, the Guangzhou Municipal People's Government, and the Guangdong Provincial Federation of Trade Unions. Competition as a Bridge: Artisans from 23 Countries Gather in Guangzhou The competition, themed "Mutual Trust, Mutual Learning, and Crafting the Future Together," featured three events—masonry, UAV assembly and maintenance, and intelligent inspection of high-voltage cables—spanning the fields of traditional infrastructure, emerging technologies, and energy security. Approximately 80 representatives from 23 CICA member and observer states gathered in Guangzhou. Chinese, English, and Russian served as the working languages, facilitating skill exchanges among contestants from various countries. Alongside the competition, technical exchanges and skill demonstrations were held to showcase China’s vocational skill standards, vocational education models, and equipment manufacturing technologies to CICA nations. Multiple pieces of equipment from Xi'an XZH TEST debuted at the competition and were designated as official competition facilities and equipment. Cable length measurement and route tracing constitute one of the core modules in the high-voltage cable intelligent operation and maintenance competition. The XHGX507C pipeline locator and XHGG502A cable fault tester, manufactured by Xi'an XZH TEST Electromechanical Technology Co., Ltd., were designated by the organizers as the official equipment for this module. The stable performance of both devices during the competition earned unanimous acclaim from contestants and the judging panel alike. Mr. Zhang Zhencun, Chairman of Xi'an XZH TEST Electromechanical Technology Co., Ltd., was invited to serve as a judge for the intelligent operation and inspection project for high-voltage cables, drawing upon his profound professional expertise in the field of cable testing. In addition to supplying equipment for the competition, the organizers provided Xi'an XZH TEST with a dedicated space to showcase its products. The company displayed a range of core products on-site, including the XHGG502A cable fault tester, XHDD503E+ cable fault pinpointing device, XHGX507C pipeline locator, XHHV515-8L high-voltage pulse generator, XHSC-60Q burn-through unit, XHZS506YS cable spiking tool, XHHV535-4TSB integrated cable fault testing system, and cable outer sheath diagnostic tester. At the booth, these devices attracted numerous contestants, team leaders, and guests who stopped to make inquiries. Technical personnel from various CICA (Conference on Interaction and Confidence-Building Measures in Asia) member countries showed keen interest in the equipment's level of intelligence, ease of operation, and detection accuracy.Xi'an XZH TEST Electromechanical Technology Co., Ltd. Highlights from the competition During the competition, contestants from various countries engaged in fierce rivalry within the "Intelligent Operation and Inspection of High-Voltage Cables" category. In the cable length measurement and route tracing module, participants demonstrated exceptional skill and precision while operating the XHGX507C pipeline locator and the XHGG502A cable fault tester.This event marks significant international recognition of the "XZH TEST Quality" standard. Participating in the CICA (Conference on Interaction and Confidence-Building Measures in Asia) Employee Skills Competition served not only as a showcase of the product capabilities of Xi'an XZH TEST but also as a vital initiative in the company's deep engagement with international skills exchange and its contribution to the "Belt and Road" development.Looking ahead, Xi'an XZH TEST remains committed to the spirit of craftsmanship and will continue to deepen its expertise in the fields of cable testing and intelligent operation and inspection. Through superior product quality and continuous technological innovation, the company aims to contribute Chinese strength to global energy security and ensure that "Smart Manufacturing from China" shines brightly on the world stage.
XZH successfully located a 10kV cable fault in the Pune industrial area, Maharashtra, India, using the flashover method 2026-07-31 .news-content { line-height: 2; text-align: justify; font-family: Georgia, "Times New Roman", serif; color: #222; font-size: 16px; max-width: 780px; margin: 0 auto; } .news-content p { margin: 0 0 20px 0; text-indent: 2em; } .news-content .news-dateline { font-weight: 700; color: #555; font-size: 14px; margin-bottom: 24px; text-indent: 0; text-transform: uppercase; letter-spacing: 1px; } .news-content .news-lead { font-size: 18px; font-weight: 600; color: #1a1a1a; margin-bottom: 24px; text-indent: 0; } .news-content h2 { font-size: 20px; font-weight: 700; color: #1a1a1a; margin: 32px 0 16px 0; padding-bottom: 8px; border-bottom: 2px solid #ddd; text-indent: 0; } .news-content .news-quote { margin: 24px 0; padding: 20px 24px; background: #f7f8f9; border-left: 4px solid #3a6b6b; font-style: italic; color: #444; text-indent: 0; } .news-content .news-quote p { text-indent: 0; margin: 0; } .news-content .news-quote .attribution { font-style: normal; font-weight: 700; color: #1a1a1a; margin-top: 10px; text-align: right; } .news-content table { width: 100%; border-collapse: collapse; margin: 20px 0; text-indent: 0; } .news-content th, .news-content td { border: 1px solid #ddd; padding: 10px 14px; text-align: left; font-size: 15px; } .news-content th { background: #f4f5f6; font-weight: 700; color: #1a1a1a; } .news-content .news-about { margin-top: 36px; padding-top: 20px; border-top: 1px solid #ddd; font-size: 14px; color: #666; text-indent: 0; } .news-content .news-about strong { color: #1a1a1a; } @media (max-width: 768px) { .news-content { font-size: 15px; padding: 0 10px; } .news-content .news-lead { font-size: 16px; } } PUNE, MAHARASHTRA, INDIA — April 3, 2026 XZH TEST has successfully completed a critical 10kV underground cable fault location operation at the Pimpri-Chinchwad Industrial Zone in Pune, India. Using advanced high-voltage flashover testing technology, engineers pinpointed the fault at 172 meters with precision, enabling rapid repair and minimizing production downtime for the affected manufacturing facilities. Fault Background The industrial zone, which hosts numerous automotive component and electronics manufacturing plants, experienced a sudden power disruption on April 2, 2026. Initial inspection by the site maintenance team identified abnormal readings on the 10kV feeder cable, prompting an urgent call to XZH TEST's diagnostic team for professional fault location services. The affected cable — a YJV-8.7/10 3×240mm² XLPE-insulated power cable — is a critical link supplying electricity to multiple production lines. With manufacturing schedules at risk, rapid and accurate fault location was essential. Diagnostic Procedure and Technical Findings Upon arrival, XZH TEST engineers conducted a systematic diagnostic protocol to characterize the fault and determine its precise location: Test Parameter Result Cable Type YJV-8.7/10 3×240mm² Insulation Resistance (Phase A–Ground) 0.03 MΩ (at 169V) Insulation Resistance (Phase B–Ground) 0.04 MΩ (at 155V) Insulation Resistance (Phase C–Ground) 0.01 MΩ (at 146V) Fault Classification Leakage-type low-resistance fault Cable Length (Low-Voltage Pulse) 177 m (all three phases) Fault Distance (High-Voltage Flashover) 172 m (at 28 kV) The initial insulation resistance test, performed using a 2500V megohmmeter, revealed critically low values across all three phases — with Phase C measuring just 0.01 MΩ, confirming a severe leakage-type low-resistance fault. The low-voltage pulse method successfully measured the total cable length at 177 meters across all phases, indicating a consistent impedance profile along the route. To precisely locate the fault point, engineers switched to the high-voltage flashover method. As the voltage was gradually increased, the fault point broke down at 28 kV, generating a characteristic transient waveform. Analysis of the reflected waveform yielded a fault distance of 172 meters from the test terminal — just 5 meters short of the total cable length. "The fact that the low-voltage pulse method could clearly detect the fault distance indicated an extremely low fault resistance — well within the conductive range. This meant that during pinpointing, the discharge sound at the fault location would be very subtle, requiring exceptional care and expertise from our field team to identify the exact position." — XZH TEST Field Engineering Team Precision Pinpointing and Resolution With the fault pre-located at 172 meters, the field team deployed acoustic pinpointing equipment along the calculated cable route. Given the low-resistance nature of the fault, the discharge acoustic signature was minimal, demanding meticulous listening and multiple verification passes. After careful scanning, the fault point was confirmed with centimeter-level accuracy. Excavation and repair were completed within hours, restoring full power supply to the industrial zone. Operational Impact The rapid response and accurate fault location provided by XZH TEST minimized what could have been an extended production shutdown. By combining insulation resistance testing, low-voltage pulse reflectometry, and high-voltage flashover waveform analysis, the complete diagnostic chain was executed in under four hours — from initial testing to confirmed fault location. About XZH TEST XZH TEST is a global provider of professional cable fault detection and diagnostic solutions. Serving utilities, industrial facilities, and renewable energy projects worldwide, the company specializes in TDR cable fault location, high-voltage pulse testing technology, and intelligent cable condition assessment. With a commitment to technical excellence and rapid field response, XZH TEST helps customers minimize downtime and extend the service life of critical power infrastructure.
More Products
CONTACT US AT ANY TIME
Building B8-01, Phase I, Ronghao Industrial City, No. 2098, Weiyang 9th Road, Gaoling District, Xi'an, China
What would you like to request?
CUSTOMERS & PARTNERS