Megger TRAX 220 Transformer and substation test system
The Megger TRAX 220 is a multifunction transformer and substation test system for accurate testing of transformers, circuit breakers, CTs, and VTs in one compact unit.
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Megger TRAX 220 Transformer and substation test system overview
The Megger TRAX 220 is an advanced transformer and substation test system that combines multiple testing functions into a single, powerful platform. Designed for utilities, service companies, and industrial operators, the TRAX 220 provides fast, accurate, and reliable testing for power transformers, circuit breakers, current transformers (CTs), voltage transformers (VTs), and substation equipment.
Megger TRAX 220 Key Features
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All-in-One Solution: Replaces several individual instruments by integrating transformer, substation, and circuit breaker testing in one system.
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High Power Output: Provides strong test signals for accurate measurement even on large power transformers.
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Wide Range of Tests: Includes winding resistance, turns ratio (TTR), vector group, excitation current, demagnetization, CT/VT testing, breaker analysis, and more.
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Accurate and Reliable: Delivers laboratory-grade accuracy in the field with advanced digital technology.
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User-Friendly Interface: Features a large 10.4” touch screen display, intuitive software, and automated test sequences to save time.
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Rugged and Portable: Designed for demanding substation environments with IP-rated protection and robust construction.
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Connectivity and Data Handling: Equipped with USB and Ethernet ports for data storage, transfer, and integration with Megger software.
Megger TRAX 220 Applications
The Megger TRAX 220 is ideal for:
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Transformer testing and diagnostics
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Substation commissioning and maintenance
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Circuit breaker timing and motion analysis
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CT and VT testing
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Power system service companies and utilities
Why Choose the Megger TRAX 220?
The TRAX 220 transformer tester delivers unmatched versatility and efficiency by combining multiple critical test functions in one compact unit. It reduces equipment needs, shortens testing time, and ensures accurate results, making it the perfect solution for professionals working with transformers, substations, and switchgear.
Specifications
| Specification | Details |
|---|---|
| Conditions | Specifications valid at nominal input voltage and +23°C ±5°. Subject to change without notice. |
| Environment | |
| Application field | For use in high-voltage substations and industrial environments |
| Temperature | Operating: –20°C to +55°C (–4°F to +131°F) Storage: –20°C to +70°C (–4°F to +158°F) |
| Humidity | <90% RH, non-condensing |
| CE-marking | LVD 2014/35/EU, EMC 2014/30/EU, RoHS 2011/65/EU |
| Classifications and standards | |
| IP rating (IEC 60529) | Instrument only: IP20 Instrument in hard case: IP21 |
| General | |
| Mains input | 100–240 V, 50/60 Hz (±10%) |
| Input current | ≤16 A continuous, up to 30 A short-term (<60 s) |
| Main fuses | F1 and F2, 25 A |
| Ground connections | TEST GROUND: Connect to object ground first GROUND: For extra grounding to unit or external objects |
| Dimensions | Instrument: 475 × 315 × 330 mm (18.7” × 12.4” × 13”) Soft case: 690 × 450 × 390 mm (27” × 18” × 15”) Hard case: 690 × 410 × 450 mm (27” × 16” × 18”) |
| Weight | TRAX 219: 25 kg (55 lbs) / 29 kg (64 lbs) / 37 kg (82 lbs) TRAX 220: 26 kg (57 lbs) / 30 kg (66 lbs) / 38 kg (84 lbs) TRAX 279: 29 kg (64 lbs) / 33 kg (73 lbs) / 41 kg (90 lbs) TRAX 280: 30 kg (66 lbs) / 34 kg (75 lbs) / 42 kg (93 lbs) |
| Display | Size: 10.4” Resolution: 1024 × 768 XGA Type: TFT touch Contrast ratio: 1000:1 Brightness: 1000 cd/m² * TRAX 219 and 279 have no display |
| Outputs | |
| 0–2200 VAC | 1 A (1 min), 0.2 A (>2 h), 2500 VA max, 5–70 Hz |
| 0–250 VAC / 0–10 AAC | 10 A (1 min), 20 A (10 s max), 2.5 A (>2 h), 5–505 Hz |
| 0–200 AAC | 200 A/6 V (1 min), 80 A (>2 h), 45–70 Hz |
| TRAX 219/220: 0–800 AAC | 800 A/6 V (1 min), 200 A/10 V (>2 h), 45–70 Hz |
| TRAX 279/280: 0–800 AAC | 0–800 A/6 V (1 min), 0–200 A/10 V (>2 h), 45–70 Hz |
| 0–16 ADC | 16 A continuous, 1 A continuous |
| 0–300 VDC | 10 A (1 min), 2.5 A (>2 h), rectified DC, auxiliary supply |
| 0–100 ADC | 100 A (2 min), 70 A continuous |
| DC output power | Max 1000 VA continuous, Max 50 V compliance voltage |
| Binary output | 250 V / 35 A max, 2 × 0–10000 s, for OLTC/circuit breaker operation |
| AUX CONTROL | 54 V DC Ethernet comms and power for accessories |
| POWER | 0–235 V AC direct, for powering accessories (TDX/TCX) |
| With TDX 120 | 12 kV AC, 500 mA (30 s), 300 mA (4 min), 200 mA (30 min), 100 mA continuous |
| With TCX 200 | 2000 A AC, 0–2000 A/2.4 V (1 min), 0–1000 A/4.8 V (1 min) |
| Inputs | |
| ANALOG 1–4 | Current: 4 × 0–10 A AC/DC Voltage: 4 × 250/300 V AC/DC |
| R1 R2 | 2 × 0–50 V DC, intended for resistance measurement, usable up to 40 V RMS |
| TRANS | Analog transducers and low-level analog signals |
| TRIG IN | Contact or voltage sense |
| TIMING | 3 × 0–10000 s, binary inputs for timing in relay/circuit breaker testing |
| Calculated / Displayed Parameters | |
| Arithmetic | +, –, ×, ÷ |
| Power | P, VA, Q, S |
| Impedance | R (DC), Z, Xp, Xs, Rs, Rp, Ls, Lp, Cs, Cp, phase |
| Derating Conditions | |
| Lower mains voltage | Output power decreased below 230–240 V |
| High ambient temperature | Reduced output current times at higher ambient |
| Lower frequencies | Voltage output derates linearly; at 5 Hz, max 10% of rated output |
| Measurement Accuracy | |
| External AC/DC voltage & current | 0.05% rdg + 0.05% FS (I ≤5 A) 0.2% rdg + 0.2% FS (5<I ≤10 A) |
| Internal DC current | 0.1% rdg + 0.1% FS |
| Internal AC current | 0.2% rdg + 0.2% FS |
| Internal AC voltage | 0.2% rdg + 0.2% FS |
| Phase (0–360°) | 0.1° |
| Accuracy (Derived Parameters) | |
| WRM | 1 A generator: 10 mΩ–10 kΩ 16 A generator: 0.63 mΩ–33.3 Ω 100 A generator: 0.1 mΩ–2.5 Ω Accuracy: 0.15% rdg + 0.15% FS, up to 4 digits |
| TTR | 2500:1–1:25 000, Accuracy 0.07%, up to 4 digits |
| Communication | |
| Ethernet | For external PC control or network connection |
| USB | 3 × USB ports for multipurpose use |
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