SAF And EAF Parameter Electrical Measurement Instruments 0~999MW Power
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EAF Parameter Electrical Measurement Instruments
,SAF Parameter Electrical Measurement Instruments
,SAF Electrical Measurement Instruments
Product Description
Electrical Parameter Measurement Instruments
SAF and EAF are high-current, low-voltage equipment requiring precise measurement of primary and secondary side voltage, current, power, power factor and other electrical parameters for power management and process optimization.
1. CT and VT
| Type | Primary Rating | Secondary Output | Accuracy Class | Applications |
|---|---|---|---|---|
| Current Transformer (CT) | 100~100,000A | 5A/1A/4~20mA | 0.2/0.5/1.0 | Primary side high current measurement, secondary current transformation |
| Voltage Transformer (VT) | 6kV/10kV/35kV | 100V | 0.2/0.5 | Primary side high voltage measurement |
| Rogowski Coil | 100~200,000A | 0~10V/4~20mA | 1.0 | High current, non-contact measurement |
| Hall Effect Current Sensor | 0~10,000A | 4~20mA/0~10V | 0.5/1.0 | DC high current measurement |
2. Power Quality Analyzer
| Parameter | Measuring Range | Accuracy | Features |
|---|---|---|---|
| Voltage | 0~600V/0~35kV | 0.2% | True RMS measurement |
| Current | 0~100,000A | 0.5% | Input via CT/Rogowski coil |
| Power | 0~999MW | 0.5% | Active/Reactive/Apparent power |
| Power Factor | 0~1 | ±0.02 | Per-phase/combined display |
| Harmonics | 1~63rd order | Class B | THD, individual harmonic content |
| Frequency | 45~65Hz | ±0.01Hz | Grid frequency monitoring |
3. Electrical Parameter Measurement Selection Reference
| Measurement Scenario | Recommended Instrument | Selection Reason |
|---|---|---|
| Primary side high current (tens of kA) | CT + Power quality analyzer | Standard configuration, reliable accuracy |
| Secondary side high current | Rogowski coil / Hall sensor | Non-contact, easy installation |
| Power metering and assessment | Power quality analyzer (Class 0.2) | High accuracy, meets metering requirements |
| Harmonic monitoring | Power quality analyzer (Class A/B) | Meets harmonic mitigation requirements |
| DC furnace current measurement | Hall effect current sensor | Specially designed for DC measurement |
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