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GDBT-40000kVA/145kV Transformer Comprehensive Test System
GDBT-40000kVA/145kV Digital Intelligent Transformer Comprehensive Test System (40000kVA, 0-145kV AC) with 14400kVar Compensation Capacitor Bank, 0.1-Class Power Analyzer, PLC+Industrial Computer Control, Automatic Test Procedure, for Power Transformer, Distribution Transformer, Special Transformer Routine & Type Tests.
- Description
- Specifications
- Applications
- Advantages
- FAQ
- Recommended Products
Description
The GDBT-40000kVA/145kV is a professional, factory-grade fully integrated transformer test systemexclusively designed for routine and type tests of 110kV/145kV power transformers, distribution transformers and special transformers. It fully complies with the latest IEC 60076 series and GB/T 1094 series standards, integrating all necessary test functions into one system to eliminate multiple wiring operations and improve test efficiency.
The system consists of a main control console (with PLC, industrial computer and 0.1-class power analyzer), mobile turns ratio & DC resistance test unit, 145kV power frequency test transformer, variable frequency generator set, voltage regulator, 14400kVar compensation capacitor bank (6 connection modes), precision metering transformer group and auxiliary power cabinet. Equipped with a 10.1-inch industrial touch screen and dedicated Windows-based test software, it supports fully automatic test procedures: one-click completion of all test items, automatic data acquisition, calculation, result judgment and standardized PDF report generation. With comprehensive safety protection including over-voltage, over-current, short-circuit, emergency stop and interlock protection, it ensures safe and reliable operation in transformer manufacturing plants and third-party testing laboratories. Ideal for factory acceptance tests (FAT), type tests, on-site commissioning tests and preventive maintenance tests of transformers up to 145kV and 40000kVA.
Specifications
| Parameter | Specification |
|---|---|
| Rated Test Capacity | Up to 40000kVA |
| Power Frequency Withstand Voltage | 0–145kV AC (RMS) (3-tap: 35kV, 150kV, 300kV) |
| Induced Voltage Test | 0–200kV AC (RMS), 50–200Hz |
| Compensation System | 14400kVar total capacity, 6 connection modes (star/delta series/parallel) |
| Test Items | Turns ratio & vector group, Winding DC resistance, No-load loss & current, Load loss & impedance voltage, Power frequency withstand voltage, Induced voltage test, Temperature rise test, Insulation resistance, Zero sequence impedance test |
| Optional Test Items | Partial discharge test, Dielectric loss & capacitance test, Winding deformation test, On-load tap changer test, Oil DGA test |
| Voltage Measurement Accuracy | ±0.1% |
| Current Measurement Accuracy | ±0.1% |
| Active Power Measurement Accuracy | ±0.2% (0.1≤cosφ≤1) |
| Turns Ratio Measurement Accuracy | ±0.05% (range 0.8–10000) |
| DC Resistance Measurement Accuracy | ±0.05% (range 1μΩ–20kΩ) |
| Control System | PLC + Industrial computer + 10.1-inch industrial touch screen |
| Operation Modes | Automatic mode, Manual mode, Semi-automatic mode |
| Data Management | Unlimited storage, PDF/Excel report generation, Barcode scanning support |
| Communication Interface | RS485, USB, Ethernet |
| Protection Functions | Over-voltage, Over-current, Short-circuit, Emergency stop, Ground detection, Interlock, Automatic discharge |
| Power Supply | 3-phase 380V±10%, 50Hz, 100kVA |
| Main Console Dimensions (mm) | 2400(L)×1200(W)×1500(H) |
| High-Voltage Cabinet Dimensions (mm) | 2000(L)×1000(W)×2500(H) |
| Compensation Cabinet Dimensions (mm) | 3×2000(L)×1000(W)×2500(H) |
| Total Weight | ~5000kg |
| Operating Temperature | -5℃ ~ +40℃ |
| Operating Humidity | ≤85%RH (non-condensing) |
| Altitude | ≤1000m |
| Compliance | IEC 60076-1:2022, IEC 60076-3:2018, IEC 60076-10:2022, GB/T 1094.1-2021, GB/T 1094.3-2017, DL/T 846.3-2004, GB 20052-2020 |
Applications
Core Test Objects
- Power transformers: 110kV/145kV oil-immersed power transformers (up to 40000kVA)
- Distribution transformers: 10kV/35kV oil-immersed and dry-type distribution transformers
- Special transformers: rectifier transformers, furnace transformers, traction transformers, reactor transformers
- Instrument transformers: current transformers (CT) and voltage transformers (VT) up to 145kV
Typical Usage Scenarios
- Transformer manufacturing plants: factory acceptance tests (FAT) and type tests
- Third-party testing laboratories: compliance testing and certification
- Power companies: on-site commissioning tests and preventive maintenance tests
- Research institutes: transformer performance research and development
- Mining and industrial enterprises: transformer inspection and maintenance
Advantages
One-Stop Test Solution
One-time wiring completes all routine and type tests → improves test efficiency by 70%, reduces labor cost and human error
Compliance with Latest International Standards
Fully meets IEC 60076, GB/T 1094 and GB 20052 standards → test reports are globally recognized
High Precision Energy Efficiency Test
0.1-class power analyzer with automatic temperature correction → ensures accurate energy efficiency measurement, meets global energy efficiency regulations
14400kVar Large Capacity Compensation
6 connection modes of compensation capacitors → easily handles load tests of 40000kVA large transformers
Fully Automatic Operation
PLC+computer dual control, one-click test execution → reduces operator skill requirements, improves test consistency and reliability
Comprehensive Safety Protection
Multiple protection layers + automatic discharge + interlock protection → maximum safety for operators and expensive test equipment
Modular & Expandable Design
Supports later upgrade of partial discharge, winding deformation and other test functions → protects investment, adapts to future test requirements
Proven Field Performance
Successfully exported to Europe, Southeast Asia and other regions, widely used in transformer manufacturers worldwide → reliable and trusted performance
FAQ
Q: What types of transformers can GDBT-40000kVA/145kV test?
A: It can test all 110kV/145kV and below voltage level transformers with capacity ≤40000kVA, including oil-immersed power transformers, dry-type distribution transformers, rectifier transformers, furnace transformers, traction transformers and instrument transformers.
Q: What is the difference between this system and traditional split test equipment?
A: Traditional split equipment requires multiple wiring operations for different test items, which is time-consuming and prone to human error. This system completes all test items with one wiring, adopts fully automatic test procedures, improves test efficiency by 70%, ensures data accuracy and automatically generates standardized test reports.
Q: Does it meet the energy efficiency test requirements for transformers?
A: Yes. It is equipped with a 0.1-class high-precision power analyzer and supports automatic temperature correction for load loss according to IEC 60076-1 and GB 20052-2020 standards, ensuring accurate energy efficiency measurement and compliance with global energy efficiency regulations.
Q: Can it be upgraded with additional test functions later?
A: Yes. The system adopts a modular design and can be upgraded with optional test functions at any time, including partial discharge test, dielectric loss test, winding deformation test, on-load tap changer test and oil dissolved gas analysis.
Q: What safety protection functions does it have?
A: It has comprehensive safety protection functions including over-voltage protection, over-current protection, short-circuit protection, hard-wired emergency stop, ground detection, cabinet door interlock, high-voltage area interlock and automatic discharge of residual voltage after test completion.
