Shenzhen Feso Automation Technology Co., Ltd.
VA-TEK builds high-voltage test sets, IEC 61850-ready relay protection test systems and transformer diagnostic instruments for utilities, cable contractors, service companies and testing laboratories. From substation commissioning to transformer condition assessment — we deliver the accuracy, reliability, and support your critical assets demand.
- +86 183 2729 8186
- info@fesotest.com
- sales@fesotest.com
Shenzhen, Guangdong
China
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Product
Tan-Delta Diagnostic Test Set
VLF-34TD
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Shenzhen Feso Automation Technology Co., Ltd.
34 kV VLF Hipot & Tan-Delta Diagnostic Test SetSingle-unit 34 kV VLF system combining withstand, tan-delta diagnostics, DC and sheath test with fault location for 5–15 kV cable.
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Product
30 – 90 KV Very Low Frequency (VLF) AC Hipot Test Sets
VLF-30-90
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Shenzhen Feso Automation Technology Co., Ltd.
30 – 90 kV Very Low Frequency (VLF) AC Hipot Test Sets. Six 30 – 90 kV peak VLF hipot test sets on one split-system platform — choose the voltage rating, keep the same controller, waveform and reporting.
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Product
All-In-One Instrument-Transformer Analyzer
VACTP200P
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Shenzhen Feso Automation Technology Co., Ltd.
All-in-one instrument-transformer analyzer for protection CTs, measuring CTs, TP-class CTs and inductive PTs — knee-point up to 40 kV.
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Product
Three-Phase Protection Relay Test System
VAE-430
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Shenzhen Feso Automation Technology Co., Ltd.
Three-Phase Protection Relay Test System with high per-phase power for electromechanical, static and numerical relays.
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Product
High-Current 4-Wire Winding Resistance Meter
TWO-1100S
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Shenzhen Feso Automation Technology Co., Ltd.
High-current 4-wire winding resistance meter with DC test current up to 100 A — measures 30 µΩ–4 Ω with ±0.2 % reading accuracy for transformer and rotating-machine windings.
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Product
CT/PT Analyzer
VACTP200P
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Shenzhen Feso Automation Technology Co., Ltd.
The VACTP200P CT/PT analyzer tests protection CTs, measuring CTs, TP-class CTs and inductive PTs per IEC 61869-2/-3.
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Product
Portable SFRA Analyzer
FRA100
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Shenzhen Feso Automation Technology Co., Ltd.
Portable SFRA analyzer for winding-deformation testing of power transformers (6 kV and above) — 10 Hz–10 MHz sweep, up to 50,000 points, ≤0.001 % frequency inaccuracy, and 9-curve comparison software.
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Product
Six-Phase Protection Relay Test System
VAE-660
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Shenzhen Feso Automation Technology Co., Ltd.
Six-Phase Protection Relay Test System. Six current + six voltage channels with 1000 VA single-phase power for differential, distance and high-burden relay testing.
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Product
Portable Turns-Ratio And Voltage-Ratio Meter
TTR-400
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Shenzhen Feso Automation Technology Co., Ltd.
Portable turns-ratio and voltage-ratio meter with 7-inch touch screen for single-phase and three-phase distribution and power transformers — 0.9–10000 ratio range, 0–160 V test voltage and tiered ±0.1 % / ±0.2 % / ±0.5 % accuracy.
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Product
Tan Delta And Capacitance Tester
TDC-3100
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Shenzhen Feso Automation Technology Co., Ltd.
Tan Delta and Capacitance Tester Fully automatic 12 kV insulation power-factor / dissipation-factor (tan δ) and capacitance test set with UST / GST / GSTg modes, CVT ratio testing and interference suppression — for transformers, bushings, breakers, cables, rotating machines and CVTs.
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Product
45 KV VLF Hipot & Tan-Delta Diagnostic Test Set
VLF-45TD
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Shenzhen Feso Automation Technology Co., Ltd.
45 kV VLF Hipot & Tan-Delta Diagnostic Test Set. Single-unit 45 kV VLF system combining withstand, tan-delta diagnostics, DC and sheath test with fault location for 5–25 kV cable.
