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XHBX1501 Transformer Winding Deformation Analyzer is a portable, PC-driven Frequency Response Analysis (FRA) instrument designed for non-destructive detection of internal mechanical faults in power transformers rated from 63kV to 500kV. Every transformer winding possesses a unique frequency response signature determined by its distributed capacitance (Ci) and inductance (Li) parameters. Events that physically displace windings — such as short-circuit faults, transportation impacts, or electromagnetic forces — alter these signatures. The XHBX1501 employs a laptop-plus-microcontroller architecture for high-precision measurement, transmitting data via Bluetooth or Wi-Fi to a companion PC that automatically processes results, generates professional Word-format reports, and archives baseline signatures for long-term condition trending. Its dual-mode measurement capability — combining linear sweep frequency and segmented sweep frequency methods — ensures compatibility with both established and emerging Chinese industry practices.
XH1501 vs XH1502 Series: The XHBX1501 is the PC-driven wireless configuration offering Bluetooth/Wi-Fi connectivity, dual-mode (linear + segmented) sweep, and automatic Word report generation. The XHBX1502 is the standalone touchscreen configuration with built-in LCD, DDS-based sweep, and higher ±20V signal output.
Technical Specifications
Parameter
Specification
Measurement Performance
In-Phase Test Repeatability
99.9%
Scanning Frequency Accuracy
0.005%
Analog-to-Digital Sampling
Dual-channel 16-bit high-speed A/D
Frequency Scale Display
Linear and logarithmic (user-selectable)
Signal Characteristics
Signal Output Amplitude
±20 V (software-adjustable, max peak ±10V)
Signal Output Impedance
50 Ω
Signal Input Impedance
1 MΩ
Connectivity & Data
Wireless Interfaces
Bluetooth + Wi-Fi (dual wireless)
Control Architecture
Laptop PC + microcontroller (MCU)
Report Format
Auto-generated documents
Sweep Modes
Linear sweep + segmented sweep (dual mode)
Application & Physical
Applicable Transformer Rating
63 kV – 500 kV
Enclosure
Aluminum alloy instrument case (red)
Portability
Compact, lightweight design for field deployment
Key Performance Features
Dual Wireless Connectivity — Simultaneous Bluetooth and Wi-Fi interfaces provide flexible wireless data transmission to the control laptop, eliminating cable connections between the instrument and PC for a safer, uncluttered substation workspace setup.
Dual-Mode Frequency Sweep — Combines both linear sweep frequency and segmented sweep frequency measurement capabilities in a single instrument, ensuring compatibility with the two major technical approaches currently adopted across the Chinese power industry. Users can select the optimal mode for each test scenario.
PC-Driven Architecture with MCU Precision — Laptop control paired with a dedicated single-chip microcontroller combines the measurement precision of embedded hardware with the data processing, storage, and visualization capabilities of a full PC — enabling complex comparative analysis without instrument display limitations.
Auto-Generated Professional Reports — Companion software automatically analyzes test results and generates complete electronic documents in format, including frequency response plots, deviation analysis, and diagnostic conclusions — ready for immediate distribution as commissioning records or maintenance reports.
Dual-Channel 16-Bit High-Speed A/D — High-resolution analog-to-digital sampling captures subtle waveform changes — even tap changer switching events produce clearly visible curve variations during on-site testing, providing real-time confirmation of measurement sensitivity.
Selectable Linear/Logarithmic Frequency Display — Horizontal frequency axis supports both linear and logarithmic scaling, allowing users to choose the display mode that best highlights the frequency regions most relevant to their diagnostic objectives.
Software-Adjustable Signal Amplitude — Output signal amplitude is controlled through software with a maximum peak amplitude of ±10V, enabling optimization of drive levels for different transformer sizes and winding configurations.
Baseline-Independent Diagnostics — Even without historical frequency response data for a known-healthy transformer, comparative analysis of spectra between faulty and healthy coils enables fault assessment. Original winding frequency data, when available, significantly enhances long-term performance tracking and predictive maintenance planning.
Product Image
Frequently Asked Questions
Q1: Is this analyzer suitable for mobile field test and diagnostic service providers?
Yes, the XHBX1501 is purpose-designed for mobile diagnostic service providers who travel to multiple client substations. The laptop-based architecture means field technicians can carry a single standard laptop to control the instrument across all client sites — no need to learn a proprietary instrument interface. Wireless Bluetooth/Wi-Fi connectivity eliminates cable tripping hazards in the substation workspace, while the auto-generated Word reports produce professional, client-ready documentation on the spot. The dual-mode sweep capability ensures compatibility regardless of which Chinese industry standard a particular client follows.
Q2: Can this instrument support remote monitoring with wireless data collection?
Absolutely. The XHBX1501’s dual wireless interfaces (Bluetooth + Wi-Fi) enable flexible deployment scenarios that standalone instruments cannot match. Technicians can position the instrument at the transformer terminals while operating the control laptop from a safe distance, or even from within a substation control room. The Wi-Fi interface supports longer-range connectivity for scenarios where the operator needs to maintain physical separation from energized equipment, and the auto-generated Word reports can be immediately emailed to remote engineering teams for collaborative diagnosis without post-processing delays.
Q3: How does it serve aging transformer infrastructure assessment programs?
Utilities with large fleets of aging transformers need systematic, cost-effective condition assessment to prioritize replacement and refurbishment budgets. The XHBX1501’s laptop-based architecture is ideal for these programs: a single standard-issue laptop can serve as the control platform for multiple instruments deployed across different substations, with all test data centralized in a common database. The dual-mode sweep ensures compatibility with both legacy comparison baselines (typically linear sweep) and modern segmented sweep analysis, enabling meaningful trending even when historical measurements were taken with different instrument generations.
Q4: Is it appropriate for electrical engineering education and research institutions?
Universities and research institutes teaching high-voltage engineering and transformer diagnostics benefit from the XHBX1501’s PC-driven architecture. Students can observe the entire measurement and analysis workflow on the laptop screen during laboratory demonstrations, understanding not just the test execution but the underlying frequency response principles. The auto-generated Word reports with full data sets support graduate research projects requiring documented experimental evidence, while the dual-mode sweep capability enables comparative studies between linear and segmented sweep methodologies — valuable for academic publications on FRA diagnostic techniques.
Q5: Can independent electrical engineering consultancies use this for transformer condition surveys?
Independent engineering consultancies conducting transformer condition surveys for multiple utility, industrial, and commercial clients need instruments that produce standardized, professional deliverables. The XHBX1501’s automatic Word report generation eliminates the time-consuming manual report writing that typically follows field testing, enabling consultants to deliver final reports to clients before leaving the site. The wireless connectivity allows the consultant to operate the laptop from a safe zone while the instrument performs the sweep at the transformer terminals, and the dual-mode measurement capability means a single instrument serves all clients regardless of their preferred technical standard.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2013
Total Annual:
1000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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...
