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Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
西安徐・匯電気機械技術有限公司 2013 年 2 月 1 日に設立され、中国の西安に本社を置く XZH TEST は、3,000 平方メートルにわたる 4 階建ての専用の研究開発および製造施設を運営しています。同社は、西甸大学、西安交通大学、さまざまな高電圧研究機関などの権威ある機関とのパートナーシップを活用して、高度な高電圧試験装置および計測器を提供しています。電力システム部門 (発電、変電、配電、消費)、研究機関、電力機器メーカーなど、幅広い顧客にサービスを提供しています。 XZH TEST は、研究開発、生産、販売、トレーニング、サービスを統合した国家レベルのハイテク企業です。 私たちは「」という理念を誠実に掲げています。品質第一、顧客最優先、責任を尊重、信頼に値する「創業以来、電力検出装置と電力自動化に関する研究開発に全力を尽くし、当社は次の信念を貫き続けています。」一流の企業イメージを醸成し、高品質なブランドを創造する「。また、」も作ります。着実な発展、最高の品質」を企業の核となるコンセプトとして掲げています。当社の目標は、より安全で使いやすく、測定を容易にする信頼性の高い試験測定機器をお客様に提供することです。 私たちのチーム 当社は経験豊富な専門チームを擁し、製品設計、研究開発、製造、検証プロセスは ISO 9001 および CE 規格に厳密に従っており、一貫して優れた品質を保証しています。電気測定機器の研究開発に特化した当社の製品ポートフォリオには、地下ケーブル障害位置特定システム、電源変圧器試験装置、AC/DC耐電圧(Hipot)試験器、絶縁抵抗試験器など、幅広い電気試験装置が含まれています。測定技術における広範な専門知識と継続的なイノベーションを活用し、包括的なサービスと技術サポートによって補完され、当社はお客様に最大の価値を創造し、最も信頼性の高い電気測定ソリューションを提供することに尽力しています。 工場風景e 当社の最新の製造工場は、厳格な 5S 管理を備えた整然とした明るい作業場を備えています。よく整理された生産ゾーン、完全な換気および浄化システムにより、清潔で安全な作業環境が生み出され、すべての電力試験装置の高精度生産が保証されます。 認証 当社は、ハイテク企業認証、ISO 品質管理システム認証、数十の独立特許、電力業界の専門アクセスライセンスなど、完全な権威ある資格を取得しています。当社のすべての電力試験装置は厳格な標準性能検査に合格しており、完全な準拠証明書は国内入札と海外輸出をサポートしており、信頼性の高い認証により、世界中の電力エンジニアリングの顧客に安定した高品質の製品が保証されています。
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Second National High-Voltage Testing Technology Training and Assessment Held in Xi'an with Xuzhihui Support 2026-10-29 Second National High-Voltage Testing Technology Training and Assessment Held in Xi'an with Xuzhihui Support XI'AN, China — From June 28 to July 5, 2026, the Second National High-Voltage Testing Technology Training and Professional Competence Assessment was successfully held in Xi'an. High-voltage testing specialists from across China's power industry gathered for intensive theoretical training and hands-on assessment, with Xi'an Xuzhihui Electromechanical Technology Co., Ltd. ("Xuzhihui") providing full support throughout the event. Theory Training: Building Solid Foundations Under Expert Guidance From June 28 to July 3, the "2026 Second National High-Voltage Testing Technology Training Program," hosted by the Beijing Electric Power Training Center, opened in Xi'an. The curriculum covered a wide range of specialized topics, including: application of high-voltage testing technology in UHV (ultra-high-voltage) projects; application of series resonant devices in power testing; common fault analysis and testing techniques for instrument transformers; verification techniques for current and voltage transformers; testing methods for on-load tap changers and zinc oxide surge arresters; grounding technology for electrical equipment and partial discharge detection. Drawing on years of technical expertise and on-site experience in high-voltage testing, Mr. Zhang Zhencun, Chairman of Xuzhihui, was invited to serve as a guest instructor and delivered a special session on "Power Cable Testing and Detection." Classroom interaction was lively and the learning atmosphere was enthusiastic. Practical Assessment: Putting Skills to the Test From July 3 to 5, the professional competence assessment for high-voltage testing personnel was organized by the National High-Voltage Metrology Station and hosted by Xuzhihui. The hands-on assessment took place at Xuzhihui's factory, where the company had fully prepared the venue and calibrated testing equipment in advance. On the assessment day, the practice area presented neatly arranged equipment ready for the candidates. Conducted in accordance with specification T/CEC 315—2020, the assessment was divided into Class I and Class II levels, comprehensively evaluating candidates' hands-on ability and on-site adaptability. DatesJune 28 – July 5, 2026 (training June 28 – July 3; assessment July 3 – 5) LocationXi'an, China — assessment hosted at the Xuzhihui factory OrganizersBeijing Electric Power Training Center (training); National High-Voltage Metrology Station (assessment) Assessment levelsClass I and Class II, per specification T/CEC 315—2020 Mandatory subjectsInsulation performance tests, impedance measurement tests, metrological performance tests CertificatePower Industry Professional Competence Certificate (China Electricity Council), valid three years Throughout the assessment, candidates completed each practical subject in a standardized and skilled manner, while invigilators graded strictly. Many candidates noted that the theoretical knowledge gained during training was effectively tested and applied in practice, leaving a deeper impression. As the final candidate completed the operation, the assessment concluded successfully. Candidates who passed all required subjects will receive the "Power Industry Professional Competence Certificate" issued by the China Electricity Council. Valid for three years, the certificate can be queried and downloaded on the Power Industry Talent Development Service Platform. About Xuzhihui Founded in 2013, Xuzhihui is a national high-tech enterprise integrating research, production, sales and service. It primarily serves power generation, transmission, substation, supply and power-consuming departments, as well as power equipment manufacturers. Through this training and assessment event, we witnessed power professionals from across the country operating equipment proficiently, which also inspires us to continuously improve our products and services. Going forward, Xuzhihui will continue to deepen its work in the power testing and detection field and serve industry development with a pragmatic approach.
XZH TEST Launches Fully Domestic Export-Edition Power Testing Vehicle for Belt and Road Substations 2026-10-24 XZH TEST Launches Fully Domestic Export-Edition Power Testing Vehicle Chinese Intelligent Manufacturing Goes Global to Support High-Quality Power Development Along the Belt and Road XZH TEST Electromechanical Technology Co., Ltd. has launched its Export-Edition Power Testing Vehicle, a fully domestically developed, self-contained mobile test platform designed to address the growing demand for grid operation and maintenance, fault location, and equipment condition assessment across the substations and power networks of Belt and Road countries. As global energy infrastructure investment continues to accelerate, grid construction in many countries along the Belt and Road is advancing rapidly, and the demand for grid operation and maintenance, fault diagnosis, and equipment condition assessment is rising every day. Traditional on-site power testing still faces persistent challenges: a proliferation of scattered and independent test instruments, heavy and laborious equipment handling, complex on-site wiring, and the frequent lack of a reliable power supply in remote field environments. These factors consume considerable manpower and resources, constrain grid operation and maintenance efficiency, and make it difficult to fully safeguard power supply reliability. Building on its independent R&D strengths in domestic power testing equipment, XZH TEST has drawn on years of technical accumulation and engineering experience to develop a fully domestic, export-oriented power testing vehicle. Through scientific spatial layout and a highly modular, integrated design, the vehicle consolidates a complete suite of self-developed professional power testing instruments onto a single mobile platform, creating a mobile “power comprehensive test laboratory” that can be deployed directly to the site. With the strength of Chinese intelligent manufacturing, XZH TEST delivers an integrated testing and maintenance solution for overseas power grids, demonstrating the technical capability and product reliability of domestic power testing equipment. Fig. 1  The XZH TEST Export-Edition Power Testing Vehicle on the road Full-Stack Domestic System Integration Delivers One-Stop Substation Testing Coverage Every core testing instrument inside the vehicle is independently developed and manufactured by XZH TEST, eliminating dependence on external equipment. The integrated platform delivers efficient and accurate on-site testing, commissioning, and comprehensive condition assessment of key primary and secondary substation equipment, covering the full range of testing requirements for power transformers, instrument transformers, high-voltage switches, lightning arresters, power cables, relay protection, and grounding grids. Power Transformer Testing System: integrates the XHTX1318AJ transformer characteristic tester, XHZ1320 DC resistance tester, XHBB128B ratio and group tester, XHZK1620 low-voltage short-circuit impedance tester, XHBX1502 transformer winding deformation tester, XHYS101A transformer oil dielectric loss tester, XHYY102 insulating oil withstand voltage tester, and XHXC105A demagnetizer. Instrument Transformer Testing System: integrates the XHTX206 instrument transformer characteristic tester. High-Voltage Switch Testing System: integrates the XHJJ302AC circuit breaker mechanical characteristic tester, XHHL3200 contact resistance tester, and XHJL309 sulfur hexafluoride (SF6) comprehensive tester. Lightning Arrester Testing System: integrates the XHJS401A arrester monitor calibration tester and XHDD405 live zinc-oxide (ZnO) arrester tester. Power Cable Detection and Testing System: integrates the XHGG502A cable fault tester, XHDD503E cable fault locator, XHGX507C cable comprehensive tester, XHHV5354TSC high-voltage pulse generator, XHHD520 outer-sheath fault comprehensive assessment instrument, XHSC60Q intelligent burn-down bridge, XHDL51X cable quality analyzer, HDPJ80 very-low-frequency (VLF) dielectric loss tester, XHOW56035 cable oscillating-wave partial discharge detector, XHZK550 cable broadband impedance analyzer, XHZS506YS cable piercing device, XHSB505B live cable identifier, and XHZL509 cable length meter. Relay Protection Testing System: integrates the XHJB666 relay protection tester. Substation Grounding Grid Testing System: integrates the XHEP701A ground grid resistance tester and XHDJ706 grounding resistance and soil resistivity tester. Comprehensive Power Testing System: integrates the XHJS1000C dielectric loss tester, XHYB10/100 AC/DC withstand voltage device, XHJF870D live partial discharge tester, XHCF220/50 battery charge/discharge device, XHMR5000C insulation resistance tester, XHXW905S three-phase volt-ammeter, and XHBN900 power quality analyzer. Fig. 2  Rear equipment bay with integrated testing instruments Fig. 3  Main control console and onboard test instruments Fig. 4  Vehicle interior equipment racks and cabinets Vehicle Integration and Power Supply Adapted to Demanding Overseas Field Conditions To cope with the demanding conditions of remote overseas sites — rough roads, high temperatures, dust and sand, and the frequent absence of local grid power — the vehicle has been specially adapted for export with seismic reinforcement, dust-proof and heat-insulation measures, and a dedicated power supply system. A domestically produced 6 kW variable-frequency auxiliary generator supports the continuous, stable operation of the entire suite of precision test instruments even in field environments with no external power, so the team can begin work immediately on arrival without building a separate power supply. Instruments inside the vehicle are mounted with shock-proof, reinforced installation to withstand the vibration of long-distance transport. A complete package of safety protection, grounding protection, and ventilation and heat-dissipation systems enables the vehicle to adapt to a wide range of overseas working conditions, including high temperatures and sandstorms, fully meeting the practical requirements of substation inspection, preventive testing, and emergency fault repair in the field. Fig. 5  Vehicle integration and auxiliary power supply system Competitive Advantages Over Imported Equipment Chinese power testing equipment is accelerating its expansion into the global market. Committed to independent innovation and rigorous R&D, XZH TEST delivers products of reliable quality and breaks through the barriers long held by overseas equipment manufacturers. Compared with imported equipment of equivalent testing accuracy, XZH TEST's solutions offer flexible and customizable configurations, controllable delivery schedules, convenient post-sale maintenance, and efficient spare-part supply. In this way, Chinese power testing technology serves the world's energy construction with cost-effective, full-process localized technical service. Contact For detailed technical parameters and performance specifications, or to customize a dedicated power testing vehicle configuration tailored to your country's working conditions, please contact us at: 400-029-0829. About XZH TEST XZH TEST Electromechanical Technology Co., Ltd. is dedicated to the high-voltage power testing and cable fault detection field. Drawing on years of technical accumulation and engineering practice, the company develops and manufactures professional power testing equipment for customers worldwide, supporting safe and reliable power network operation through innovative and reliable testing solutions. Fig. 6  XZH TEST manufacturing facility
XZHテストは10kVケーブル障害検出を完了し,1038.88mケーブルで345.72mで障害を見つけました 2026-09-20 .newsx{font-family:Verdana,Helvetica,"Times New Roman",Arial,sans-serif;max-width:100%;margin:0 auto;color:#2b333b;line-height:2;font-size:15px;text-align:justify;} .newsx *{box-sizing:border-box;} .newsx p{font-size:15px;line-height:2;text-align:justify;margin:0 0 16px 0;color:#333b43;} .newsx ul,.newsx ol{list-style:none !important;list-style-type:none !important;padding-left:0 !important;margin:0 0 16px 0 !important;} .newsx li{list-style:none !important;list-style-type:none !important;} .newsx li::marker{content:none !important;} .newsx-sec{font-size:19px;font-weight:bold;color:#1f2d3d;line-height:1.6;margin:28px 0 14px 0;padding:0 0 8px 12px;border-left:4px solid #2c5d8f;display:block;} .newsx-lead{font-size:15px;line-height:2;text-align:justify;color:#333b43;} .newsx-tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:14px 0;} .newsx table{border-collapse:collapse !important;border-spacing:0 !important;width:100%;font-size:15px;margin:0;} .newsx th,.newsx td{border:1px solid #d6e2f0 !important;padding:9px 12px !important;text-align:left !important;vertical-align:top !important;font-size:15px !important;line-height:2 !important;} .newsx th{font-weight:bold !important;background:#eaf1f9 !important;color:#1f2d3d !important;} .newsx-list{margin:0 0 16px 0;} .newsx-li{position:relative;padding-left:20px;margin:10px 0;font-size:15px;line-height:2;text-align:justify;color:#333b43;} .newsx-li::before{content:"\2022" !important;position:absolute !important;left:2px !important;top:0 !important;color:#2c5d8f;font-size:16px;line-height:2;} .newsx-cta{margin:24px 0 4px 0;padding:18px 20px;background:#1f2d3d;border-radius:4px;} .newsx-ctat{font-size:16px;font-weight:bold;color:#ffffff;line-height:2;display:block;} .newsx-cta p{color:#dbe6f2;margin:0;font-size:14px;} @media (min-width:768px){.newsx{padding:0 6px;}} XZH TESTは,産業顧客のために10kV電源ケーブルの故障検出プロジェクトを完了しました低電圧パルスと高電圧フラッシュオーバー方法を組み合わせて,ケーブルの主要隔熱欠陥を特定する 1038.88メートル長.この欠陥は試験端から345.72メートルで特定され,結果は中間関節で問題がある可能性を示しています. 以下は完全な試験報告の要約です. プロジェクトの詳細 プロジェクト産業用顧客向けの10kVケーブルの故障検出 試験スタッフゲ・ハオジー 試験日2026年9月11日 ケーブルモデル8.7/10kV サイト情報サブステーションからプラントエリアへ,管や溝を通って敷設;A段階の隔離は3.2 MΩ 使用された楽器5/50の操作箱試験トランスフォーマー,40/6のコンデンサ,503E+の定点ロケータ,ケーブル識別装置,501Aのメインユニット,そしてバーン・スルー (バーン・アウト) セット 欠陥の性質メッゲル試験:A相は2489Vで3.2MΩ,他の相は正常 ケーブルの長さ総長 1038.88 m 荒れ果てた場所 低電圧パルス法と高電圧フラッシュオーバー法を用いて粗略な断層距離を測定した.高電圧パルスフラッシュオーバー波形が捕捉された.欠陥点は 345 でした.試験端から0.72m 波形分析 捕獲された波形は次のように分析された. 低電圧パルス波形を用いて,ケーブル全体の長さを1038.88mで測定した. 高電圧フラッシュオーバー法を用いて,電圧を22kVに上昇させると断層が壊れ,断層波形が捕捉された.その波形の分析により,断層距離は345.72mであることが示された. 正確 な 場所 ケーブル路線調査:ケーブルは溝に敷かれていて 経路は基本的には無事なので 経路追跡は行われませんでした 主要隔熱装置の故障位置:高電圧フラッシュオーバーが示す範囲内で 503E+の定点探知器を使って検索しました 電圧が約22kVに上昇すると,ケーブル路線に沿って検索が行われ,障害点の放出音は試験端から約345.72mで聞こえました.欠陥位置を確認する. 試験要約 通常の動作を継続できるが,比較的低断熱抵抗を示すケーブルでは,予期せぬ断熱を防ぐために低抵抗相を調査すべきである.ほとんどの場合,この種の問題は,中間関節の1つによって引き起こされます.. 短時間で分解できない欠陥では,欠陥抵抗をさらに軽減し,安定した欠陥経路を確立するため,故障を特定するために燃焼が必要である. ケーブルの欠陥を迅速かつ正確に 特定する必要があるか? XZH TEST に連絡してください.ケーブルの故障検出装置と現場技術サポートについて.
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