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Transformer Winding Deformation Tester FRA Frequency Response Analyzer 10MHz for

China Transformer Winding Deformation Tester FRA Frequency Response Analyzer 10MHz for

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Transformer Winding Deformation Tester FRA Frequency Response Analyzer 10MHz for

MOQ： 1 Unit
Price： Negotiable
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Supply Ability	500 Units per Year
Amplitude Range	-120dB ~ +20dB
Output Impedance	50Ω
Detection Capabilities	Twisting, Bulging, Displacement, Tilting, Inter-turn Short Circuit, Phase Contact Short Circuit
Weight	13kg
Frequency Range	10Hz ~ 10MHz
Analysis Modes	Horizontal (A/B/C) + Vertical (Before/After) + Expert Auto-Diagnosis
Dimensions	370 × 300 × 170mm
Frequency Accuracy	0.005%
A/D Sampling	16-bit Dual Channel High-Speed
Software Platform	Windows/7/8/10 + Android App
Amplitude Accuracy	0.1dB
Sweep Technology	DDS Digital High-Speed (US Technology)
Delivery Time	5-10 Working Days
Input Impedance	1MΩ
Repeatability	99.9%
Payment Terms	T/T
Connectivity	USB, WiFi, Bluetooth
Measurement Speed	<60s per Phase, <10min per Transformer
Packaging Details	Aluminum alloy carrying case with custom foam padding, export-grade corrugated carton
Sweep Points	40,000 Points (Linear), 2,000 Points (Segmented)
Frequency Resolution	0.25kHz, 0.5kHz, 1kHz
Applicable Transformers	63kV ~ 500kV Power Transformers
Test Method	Frequency Response Analysis (FRA) per DL/T911-2016
Report Generation	Automatic Word Document with Color Printing
Output Amplitude	±20V
Operating Temperature	-10℃ ~ 40℃
Operating Humidity	<90% (Non-condensing)
Power Supply	AC 220V±10%, 50Hz
Model Number	XHBX1501
Place of Origin	Xi'an, Shaanxi, China
Certification	CE, ISO
Brand Name	XZH TEST

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Product Specification


Supply Ability	500 Units per Year	Amplitude Range	-120dB ~ +20dB
Output Impedance	50Ω	Detection Capabilities	Twisting, Bulging, Displacement, Tilting, Inter-turn Short Circuit, Phase Contact Short Circuit
Weight	13kg	Frequency Range	10Hz ~ 10MHz
Analysis Modes	Horizontal (A/B/C) + Vertical (Before/After) + Expert Auto-Diagnosis	Dimensions	370 × 300 × 170mm
Frequency Accuracy	0.005%	A/D Sampling	16-bit Dual Channel High-Speed
Software Platform	Windows/7/8/10 + Android App	Amplitude Accuracy	0.1dB
Sweep Technology	DDS Digital High-Speed (US Technology)	Delivery Time	5-10 Working Days
Input Impedance	1MΩ	Repeatability	99.9%
Payment Terms	T/T	Connectivity	USB, WiFi, Bluetooth
Measurement Speed	<60s per Phase, <10min per Transformer	Packaging Details	Aluminum alloy carrying case with custom foam padding, export-grade corrugated carton
Sweep Points	40,000 Points (Linear), 2,000 Points (Segmented)	Frequency Resolution	0.25kHz, 0.5kHz, 1kHz
Applicable Transformers	63kV ~ 500kV Power Transformers	Test Method	Frequency Response Analysis (FRA) per DL/T911-2016
Report Generation	Automatic Word Document with Color Printing	Output Amplitude	±20V
Operating Temperature	-10℃ ~ 40℃	Operating Humidity	<90% (Non-condensing)
Power Supply	AC 220V±10%, 50Hz	Model Number	XHBX1501
Place of Origin	Xi'an, Shaanxi, China	Certification	CE, ISO
Brand Name	XZH TEST
High Light	Transformer winding deformation tester 10MHz ，FRA frequency response analyzer 500kV ，Transformer tester with power diagnostics

Transformer Winding Deformation Tester|XHBX1501

Product Overview

The XHBX1501 Transformer Winding Deformation Tester employs Frequency Response Analysis (FRA)—the internationally recognized method for non-destructive detection of internal transformer winding faults. Fully compliant with DL/T911-2016, this instrument quantifies changes in winding frequency response characteristics caused by mechanical deformation, displacement, and electrical faults including inter-turn short circuits. By comparing frequency response curves across phases (horizontal analysis) and against historical baselines (vertical analysis), the XHBX1501 precisely identifies the type, location, and severity of winding anomalies in 63kV to 500kV power transformers without requiring oil drainage or core disassembly.

At its core, the XHBX1501 features a 16-bit dual-channel high-speed A/D converter driven by DDS (Direct Digital Synthesis) digital sweep technology sourced from the United States, delivering 40,000-point linear frequency sweeps from 10Hz to 10MHz with 0.1dB amplitude accuracy. A built-in expert diagnostic system automatically classifies winding condition into four consistency grades, generates complete Word-format test reports, and supports simultaneous loading of up to six historical curves for trend analysis. With USB, WiFi, and Bluetooth connectivity, the instrument pairs seamlessly with Windows laptops, Android tablets, and smartphones for maximum field flexibility.

XHBX1501

Key Features

DL/T911-2016 Compliant FRA: Frequency Response Analysis methodology fully compliant with Chinese power industry standards for authoritative winding deformation assessment
10Hz-10MHz Ultra-Wide Sweep: 40,000-point linear scan with 0.25/0.5/1kHz resolution plus 2,000-point segmented mode for comprehensive frequency response capture
DDS Digital Sweep Technology: US-origin Direct Digital Synthesis provides exceptionally stable, repeatable excitation signals across the entire frequency range
16-Bit Dual-Channel A/D: High-resolution simultaneous sampling clearly captures waveform curve variations when changing tap positions during field testing
Triple-Mode Connectivity: USB, WiFi, and Bluetooth interfaces support Windows laptops, Android tablets, and smartphones for flexible field deployment
Expert Auto-Diagnosis System: Four-grade consistency classification (Excellent/Good/Fair/Poor) for both horizontal (A/B/C) and vertical (historical comparison) analysis
Automatic Word Report Generation: Complete test documentation with color waveform printing, automatic environmental condition recording, and multi-curve overlay
Dual Measurement Modes: Linear sweep and segmented sweep systems compatible with both major Chinese technical approaches for maximum versatility
Rapid Testing: Less than 60 seconds per phase—complete three-winding transformer assessment in under 10 minutes
Non-Invasive Measurement: Testing requires only removal of connecting busbars—no oil drainage, core disassembly, or transformer de-tanking needed

Technical Specifications

Sweep & Frequency
Frequency Range	10Hz ~ 10MHz
Linear Sweep Points	40,000 Points
Frequency Resolution	0.25kHz, 0.5kHz, 1kHz (Selectable)
Segmented Sweep	0.5kHz ~ 1MHz, 2,000 Points
Frequency Accuracy	0.005%
Measurement Accuracy
Amplitude Range	-120dB ~ +20dB
Amplitude Accuracy	0.1dB
Repeatability	99.9%
Input Impedance	1MΩ
Output Impedance	50Ω
Output Amplitude	±20V (Software Adjustable)
Hardware & Connectivity
Sweep Technology	DDS Digital High-Speed (USA Origin)
A/D Converter	16-bit Dual Channel High-Speed
Connectivity	USB, WiFi, Bluetooth
Software Platform	Windows/7/8/10 + Android App
Diagnostics
Detection Types	Twisting, Bulging, Displacement, Tilting, Inter-turn Short Circuit, Phase Contact Short Circuit
Analysis Modes	Horizontal (A/B/C) + Vertical (Before/After) + Expert Auto
Multi-Curve Loading	Up to 6 Historical Curves Simultaneous
Report Format	Automatic Word Document with Color Printing
Measurement Speed	<60s per Phase, <10min per Transformer
Operating Specifications
Power Supply	AC 220V±10%, 50Hz
Operating Temperature	-10℃ ~ 40℃
Storage Temperature	-20℃ ~ 70℃
Relative Humidity	<90% (Non-condensing)
Applicable Transformers	63kV ~ 500kV Power Transformers
Physical Specifications
Dimensions	370 × 300 × 170mm
Weight	13kg

Frequently Asked Questions

Q1: How does Frequency Response Analysis (FRA) detect winding deformation without opening the transformer?

FRA is based on the principle that every transformer winding has a unique frequency response "fingerprint" determined by its distributed inductance, capacitance, and resistance parameters. When mechanical deformation occurs—from transportation damage, through-fault currents, or aging—these distributed parameters change, shifting the resonant frequencies and altering response amplitudes. The XHBX1501 sweeps from 10Hz to 10MHz, injecting a low-voltage signal and measuring the response across the winding. By comparing the resulting curve against baseline data (vertical analysis) or across healthy phases (horizontal analysis), winding deformation is accurately detected without oil drainage, core disassembly, or transformer de-tanking.

Q2: What types of winding faults can the XHBX1501 identify?

The XHBX1501 detects six primary fault categories: winding twisting (torsional deformation), bulging (radial expansion), axial displacement (vertical shifting of windings), winding tilting, inter-turn short circuits, and phase-to-phase contact short circuits. The expert auto-diagnosis system classifies severity into four grades: Excellent consistency, Good consistency, Fair consistency, and Poor consistency—for both horizontal comparison (A/B/C phases) and vertical comparison (before vs. after). This allows maintenance teams to prioritize interventions from routine monitoring to immediate overhaul.

Q3: What are the advantages of WiFi and Bluetooth connectivity over traditional USB-only instruments?

The XHBX1501 supports USB, WiFi, and Bluetooth, giving operators complete flexibility in field deployment. WiFi mode allows the instrument to be controlled wirelessly from an Android tablet or smartphone using the dedicated app—eliminating cable clutter around the transformer and enabling the operator to monitor measurements from a safe distance. Bluetooth provides short-range wireless for laptop control without USB cables. All three modes support the same full software functionality including real-time curve display, historical comparison, expert diagnosis, and automatic Word report generation. This is particularly valuable in substation environments where physical access around large transformers may be restricted.

Q4: How does the dual sweep mode (linear + segmented) benefit testing?

The XHBX1501 uniquely supports both linear sweep measurement (40,000 points, 10Hz-10MHz) and segmented sweep measurement (2,000 points, 0.5kHz-1MHz), providing compatibility with both major technical approaches used in China's power industry. The linear mode provides ultra-high-resolution data across the full frequency spectrum—ideal for detailed forensic analysis and baseline fingerprinting. The segmented mode focuses on the most diagnostically sensitive frequency band (0.5kHz-1MHz), enabling faster screening tests while maintaining compatibility with legacy measurement systems. This dual-mode capability ensures the XHBX1501 can be deployed alongside existing fleet data from any measurement tradition.

Q5: What are the MOQ, delivery terms, and after-sales support for the XHBX1501?

The minimum order quantity is 1 unit, with payment via T/T or L/C. Standard delivery is 5-10 working days in a protective aluminum alloy carrying case. Each XHBX1501 includes the main measurement unit, complete test lead set, USB cable, software installation package, and comprehensive user manual. The instrument carries a 12-month warranty covering manufacturing defects, with lifetime technical support including remote software assistance and diagnostic consultation. Annual supply capacity reaches 500 units. OEM/ODM configurations, extended warranty packages, and on-site training services are available upon request. For volume pricing or technical consultation, please contact our sales team.

Company Details

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Year Established:

2013 
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Total Annual:

1000000-5000000
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Employee Number:

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Xi'an Xu&Hui Electromechanical Technology Co., Ltd. /Xian XZH Electric Power Technology Co., Ltd. Has found in 2013, located in Xi'an, China. which is a highly experienced team dedicated to developing electrical... Xi'an Xu&Hui Electromechanical Technology Co., Ltd. /Xian XZH Electric Power Technology Co., Ltd. Has found in 2013, located in Xi'an, China. which is a highly experienced team dedicated to developing electrical...

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Xi'an Xu&Hui Electromechanical Technology Co., Ltd.
Building B8-01, Phase I, Ronghao Industrial City, No. 2098, Weiyang 9th Road, Gaoling District, Xi'an, China
https://www.xzhtest.com/

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