Page 24 - 태화트랜스

Rigid Rogowski Coils

Application General Features

• Smart Reclosor on distribution line • Compliant to IEC61869-2
• Electronic sectionizer • Perfect immunity to DC external magnetic field
• High current & frequency metering & monitoring • High current & frequency coverage without
saturation
• Harmonics measurement sensor
• Operating frequency up to 3MHz
• Air circuit breaker (ACB)
• Intrinsic frequency linearity
• Gas insulation switch gear (GIS)
• High potential voltage : 4kV per min.
• AC component fault detector in DC power
• RoHS compliant
• Welding machine

Test Conditions
1. Mutual Inductance Value based on the primary 100A
2. Max Stray Noise Output Voltage (Vo) on the ac external magnetic field 0.5mT
3. Burden Imdedance : 1MΩ

I. Miniature Rogowski Coils

Electrical Properties

f : 50Hz
Max Max Mutual Output Instant
Model DCR(Q) Rated Max Self Mutual Stray Induct ance Volt age at Peak
No 士6% Current(A) Current(kA) lnductance(mH) Inductance
Noise Vo Error(%) 100A Amp(kA)
TR77V/L 100Ω 10kA 0.7mH 0.69µH 1.3mV 0.60% 21.6mV 64kA
TR71V/L 181Ω 9kA 7.6mH 3.25µH 0.3mV 0.03% 102.2mV 54kA
TR71VA 13.5Ω 13kA 0.4mH 0.80µH 0.3mV 0.12% 25.0mV 81kA
1000A
TR10VSH
TR10LSH 173Ω 6kA 5.8mH 2.13µH 0.6mV 0.09% 66.9mV 39kA
TR10LSC
TR9L 200Ω 6kA 20.9mH 4.48µH 4.0mV 0.28% 140.8mV 40kA

24