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Xi'an Xu&Hui Electromechanical Technology Co., Ltd. company cases

latest company case about Case Study: Locating a 10 kV High-Resistance Cable Fault at 345.7 m on a 1,038.8 m Cable

Case Study: Locating a 10 kV High-Resistance Cable Fault at 345.7 m on a 1,038.8 m Cable

At a glance Item Result System voltage 10 kV Cable length 1,038.8 m measured; approx. 1 km reported Fault type High-resistance fault in the Phase A main insulation Key insulation reading Phase A-to-ground: 3.2 MΩ at 2,489 V; Phases B and C normal Pre-located fault distance 345.7 m along the cable ...
2026-11-05
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latest company case about Cable Fault Testing Case Study: Locating a 35 kV Flashover Fault on a 300 MW PV Plant Feeder Cable

Cable Fault Testing Case Study: Locating a 35 kV Flashover Fault on a 300 MW PV Plant Feeder Cable

This case study documents a field cable fault test carried out for a large photovoltaic (PV) power generation project in Northwest China. A 35 kV collector feeder cable suffered a flashover-type sealed fault, and the owner needed an accurate fault distance and the exact excavation point before ...
2026-10-09
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latest company case about A Buried Cable Mystery: Locating a Hidden Fault in a 10 kV Underground Power Cable at an Intermediate Joint

A Buried Cable Mystery: Locating a Hidden Fault in a 10 kV Underground Power Cable at an Intermediate Joint

A Buried Cable Mystery: Locating a Hidden Fault in a 10 kV Underground Power Cable One morning, a factory went dark. The 10 kV cable feeding the building — buried about 300 meters under concrete and soil for the past five years — had quietly failed somewhere along its route. No smoke, no visible ...
2026-10-29
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latest company case about Weinan 10kV Cable Fault Test: Locating a High-Resistance Phase-to-Ground Fault at 287.9 m

Weinan 10kV Cable Fault Test: Locating a High-Resistance Phase-to-Ground Fault at 287.9 m

A field case study: precise location of a high-resistance phase-to-ground fault on a direct-buried 10 kV power cable in Weinan, July 2025. Introduction This case study documents a 10 kV power cable fault test carried out in Weinan City in July 2025. The project involved locating a phase-to-ground ...
2026-09-28
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latest company case about 10kV Cable Fault Pinpointing in Turkmenistan with Acoustic Magnetic Synchronization and Cable Fault Locator

10kV Cable Fault Pinpointing in Turkmenistan with Acoustic Magnetic Synchronization and Cable Fault Locator

Case Study: Precise Location of a 10kV High-Resistance Cable Fault in Turkmenistan When a high-voltage distribution cable fails, locating the fault point quickly and accurately is critical to restoring power and avoiding unnecessary excavation. In September 2026, XZH TEST carried out an on-site ...
2026-09-23
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latest company case about 10kV Tunnel Cable Fault Detection: Locating a 619m Fault in an Expressway Tunnel Cable

10kV Tunnel Cable Fault Detection: Locating a 619m Fault in an Expressway Tunnel Cable

Project Overview This case records the fault detection of a 10kV three-core armored cable serving the Shiquan Expressway tunnels in Ankang, Shaanxi, China. The cable had been in service for more than ten years between the Tunnel 1 and Tunnel 2 distribution rooms when it developed an insulation fault...
2026-09-21
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latest company case about India Wind Farm 35kV Power Cable Fault Detection: Flashover High-Resistance Fault Location Case Study

India Wind Farm 35kV Power Cable Fault Detection: Flashover High-Resistance Fault Location Case Study

Power Cable Fault Test Report Project Name India Wind Farm 35kV Cable Fault Detection Testing Personnel Lead: Li Feng Team member: Ye Peng Test Date August 30, 2026 Cable Model YJV 3*400 26/35kV Field Basic Information Laying method: direct burial. Both ends: one end on a 35kV tower, the other at ...
2026-09-15
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latest company case about 35kV Cable Fault Location Case Study: Flashover High-Resistance Fault Diagnosis and Distance Pre-Location

35kV Cable Fault Location Case Study: Flashover High-Resistance Fault Diagnosis and Distance Pre-Location

When a 35kV cable feeder tripped in Ruicheng County, Shanxi, the customer's fault recorder pointed to phase B. A field team used a cable fault tester to confirm the fault type and pre-locate the fault distance on site. This case study walks through the diagnosis, the measurement methods used and the ...
2026-09-14
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latest company case about 10kV Cable Fault Location Case in Almaty, Kazakhstan: High-Resistance Ground Fault Pinpointed at 371.5m

10kV Cable Fault Location Case in Almaty, Kazakhstan: High-Resistance Ground Fault Pinpointed at 371.5m

10 kV Cable Fault Location Field Test - Almaty, Kazakhstan Leakage-type High-resistance Ground Fault Pinpointed at 371.5 m | August 17, 2026 On August 17, 2026, XZH TEST engineers carried out an on-site power cable fault location task in Almaty, Kazakhstan. The subject cable was a YJV 3*35 8.7/10 kV ...
2026-09-07
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latest company case about Case Study: Locating a 10 kV High-Resistance Cable Fault at 345.7 m on a 1,038.8 m Cable

Case Study: Locating a 10 kV High-Resistance Cable Fault at 345.7 m on a 1,038.8 m Cable

At a glance Item Result System voltage 10 kV Cable length 1,038.8 m measured; approx. 1 km reported Fault type High-resistance fault in the Phase A main insulation Key insulation reading Phase A-to-ground: 3.2 MΩ at 2,489 V; Phases B and C normal Pre-located fault distance 345.7 m along the cable ...
2026-11-05
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latest company case about Cable Fault Testing Case Study: Locating a 35 kV Flashover Fault on a 300 MW PV Plant Feeder Cable

Cable Fault Testing Case Study: Locating a 35 kV Flashover Fault on a 300 MW PV Plant Feeder Cable

This case study documents a field cable fault test carried out for a large photovoltaic (PV) power generation project in Northwest China. A 35 kV collector feeder cable suffered a flashover-type sealed fault, and the owner needed an accurate fault distance and the exact excavation point before ...
2026-10-09
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latest company case about A Buried Cable Mystery: Locating a Hidden Fault in a 10 kV Underground Power Cable at an Intermediate Joint

A Buried Cable Mystery: Locating a Hidden Fault in a 10 kV Underground Power Cable at an Intermediate Joint

A Buried Cable Mystery: Locating a Hidden Fault in a 10 kV Underground Power Cable One morning, a factory went dark. The 10 kV cable feeding the building — buried about 300 meters under concrete and soil for the past five years — had quietly failed somewhere along its route. No smoke, no visible ...
2026-10-29
view more
latest company case about Weinan 10kV Cable Fault Test: Locating a High-Resistance Phase-to-Ground Fault at 287.9 m

Weinan 10kV Cable Fault Test: Locating a High-Resistance Phase-to-Ground Fault at 287.9 m

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2026-09-28
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latest company case about 10kV Cable Fault Pinpointing in Turkmenistan with Acoustic Magnetic Synchronization and Cable Fault Locator

10kV Cable Fault Pinpointing in Turkmenistan with Acoustic Magnetic Synchronization and Cable Fault Locator

Case Study: Precise Location of a 10kV High-Resistance Cable Fault in Turkmenistan When a high-voltage distribution cable fails, locating the fault point quickly and accurately is critical to restoring power and avoiding unnecessary excavation. In September 2026, XZH TEST carried out an on-site ...
2026-09-23
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