Flexible coil & Clamp-On Coil Sensors

flex_contet02.jpg
  • Supreme Accuracy Rogowski Coils up to accuracy class 0.5
  • High Frequency Monitoring Rogowski Coils up to 1MHz -3dB
  • Clamp-on Rogowski Coils with Voltage Measurement Screw

Engineering Profile

  • Flexible & Clamp-on Rogowski Coils are applied to varieties of electrical devices
  • that measure up to thousands of Amp ac (alternating current) and hundreds thousand
  • frequency in high accuracy (0.5 or 1.0 class) in the field of Pole-top & Pad mount transformer monitoring,
  • Sub-station SCADA system, Distribution line measurement, High frequency measurement, Arc fault detection,
  • and Power quality monitoring.
  • The reading error meets the metering class 0.5 (or 1.0) along with excellent positioning error.

Detailed Application

  • Utilities Pole Probe Monitoring & Measurement
  • Power Distribution Line Monitoring
  • Current Balance Monitoring
  • Monitoring & Control of SCADA system for Power & Sub-Station
  • Overhead / Underground Fault Detector
  • Arc fault detection
  • Up to 1MHz high frequency measurement in -3dB (Normally 100KHz - 450KHz)
  • Perfect Outdoor & Weather proof Application
  • Smart grid application & Energy efficiency

General Features

  • Meeting international standard IEC 61869-2 (IEC60044-1)
  • Operating current : a few hundred thousand Amps in Rogowski coils & 6000Amps in integrating circuit
  • Water Proof IP67 & UV protective : Weather resistive capability
  • RoHS compliant

Clamp-on Rogowski coils with Voltage Measurement Screw

Drawing

TPR26L Rogowski Coil for Pole Probe Monitoring Model TPR26L-drawing

Dimension

unit: mm/inch
A(min) B(max) C(max) D(max) F(±5) F'(±3) G(±1)
26.0 80.3 28.0 80.6 600.0 40.0 10.0
1.024" 3.161" 1.102" 3.173" 23.622" 1.575" 0.394"

Electrical Properties (IP Rating : IP67)

Accuracy Class (IEC61869-2) Class 1.0 Output @1000A, 60Hz 90mV ± 6%
Nominal Measurement Range 5A to 6000A Frequency Bandwidth -3dB 20Hz - 5KHz
Hi-Potential Voltage a.c. 15kV/ 1min. Max positioning error (0°~360°) ±1%
Max Current @1MΩ 400,000A Phase Displacement Error <0.05° (degree)
Mutual Inductance @ 60Hz 239nH Self Inductance way to set up
Max External Stray Sensitivity 1000A Max External Stray Sensitivity 100A
Mutual Inductance Error @0.5mT Cross Talk ≤0.1% Mutual Inductance Error @0.5mT Cross Talk ≤1%
Ambient Operating Temp. ­30°C ~ +80°C Storage Temperature -40°C ~ +80°C

Flexible Rogowski Coils

Drawing

Rogowski Flexcoil-drawing01

Dimension

unit: mm/inch
item TFR170L TFR180L TFR240L TFR320L TFR400L TFR500L TFR700L TFR1000L
Length of FiexCoil 170.0mm
6.69"
180.0mm
7.09"
240.0mm
9.45"
320.0mm
12.60"
400.0mm
15.75"
500.0mm
19.68"
700.0mm
27.56"
1000.0mm
39.37"
A Window 47mm
1.97"
50mm
1.97"
70mm
2.76"
95mm
3.74"
127mm
5.00"
160mm
6.30"
220.93mm
8.66"
318.47mm
12.54"
B OD 66mm
2.60"
69mm
2.27"
89mm
3.50"
114mm
4.49"
146mm
5.75"
179mm
7.05"
239mm
9.41"
339mm
13.35"
C Thickness Code L (Standard Metering) & H (High Frequency) 9.5mm / 0.375", M 12~16mm
F Length of Cable 2000mm / 79"
G Bare Wire Length 10mm / 0.39"

Series Model Number Code

  • TFROOO O O
  • TFR : Product Symbol OOO : Length (mm) of Loop O : L - Standard Symbol
  • M - 0.135mV @Rated Current, 60Hz
  • H - High Frequency Grade Symbol
  • O : Arbian Number - Detailed types as per each models

1. Metering Grade Flexible Rogowski Coils

(Low Positioning Error & LV, MV Energy Measurement)

Electrical Properties (IP Rating : IP67)

Accuracy Class (IEC61869-2) Class 0.5 Coil Resistance (Ω) Variable to the loop
Output Voltage @1000A,60Hz 70mV ± 5% Nominal Measurement Current 5A to 5000A
Output Voltage @1000A,50Hz 58mV ± 5% Max Short Circuit Current 40kA @RL 1MΩ
Phase Displacement 0.05° (Degree) Hi-Potential Voltaqe per min. a.c. 25kV
Reading Error (20% Rating) ≤ 1% Full Scale Error (Whole Range) way to set up
Mutual Inductance Vout / 2πf.(di/dt) Self Inductance Variable to the loop
Max Position Error (0° ~ 360°) Avr.± 0.5%(max 1%) IP Rating & UV Resistance IP67 & UV Resistive
Max External Stray Sensitivity 1000A Max External Stray Sensitivity 100A
Mutual Inductance Error @0.5mT Cross Talk ≤0.1% Mutual Inductance Error @0.5mT Cross Talk ≤1%
Ambient Operating Temp. ­30°C ~ +80°C Storage Temperature -40°C ~ +80°C

Typical Positioning Error Diagram

Typical Positioning Error Diagram

Test Conditions : Conductor Size in Test 15mm or more & The conductor in test being situated

perpendicular to the coils loops.

2. High Frequency Monitoring Rogowski Coils

(Up to 1MHz Measurement & Arc Fault Detection)

Electrical Properties (IP Rating : IP67)

Accuracy Class (IEC61869-2) Class 1.0 Output @1000A, 60Hz 13mV ~ 42mV
Self-Resonance Frequency Max 16MHz Frequency Bandwidth -3dB Max. 1.9MHz
Hi-Potential Voltage a.c. 25kV/ 1min. Max positioning error (0°~360°) Avg.±1.5%
Max Current @1MΩ, 60Hz 200,000A Phase Displacement Error <0.05° (degree)
Mutual Inductance Vout/2πf,(di/dt) Self Inductance Variable to the Loop
Ambient Operating Temp. ­30°C ~ +80°C Storage Temperature -40°C ~ +80°C

Frequency Vs. Loss (-3dB) Diagram

frequencybandwidth

Ruggedized Split Type Rogowski Coil Sensors

RuggedizedSplitTypeRogowskiCoilSensors.jpg

Drawing

RuggedizedSplit_draw

Dimension

unit: mm/inch
Model No A(min) B(max) C(max) D(max)
TSR35L/C 35.0(1.378") 83.0(3.268") 20.9(0.823") 99.5(3.917")
TSR115L/C 114.5(4.508") 151.2(5.953") 22.4(0.882") 173.0(6.811")
TSR145L/C 145.0(5.709") 190.0(7.480") 22.5(0.886") 210.0(8.268")

Electrical Properties

Accuracy Class (IEC61869-2) Class 1.0 Coil Resistance (Ω) Variable to the loop
Output Voltage @1000A,60Hz 90mV ± 5% Nominal Measurement Current 5A to 5000A
Output Voltage @1000A,50Hz 75mV ± 5% Max Short Circuit Current 40kA @RL 1MΩ
Phase Displacement 0.05° (Degree) Hi-Potential Voltaqe per min. a.c. 25kV
Reading Error (20% Rating) ≤ 1.0% Full Scale Error (Whole Range) way to set up
Mutual Inductance @60Hz Vout / 2πf.(di/dt) Self Inductance @60Hz Variable to the loop
Max Position Error (0° ~ 360°) Avr.± 0.5%(max 1%) IP Rating & UV Resistance IP66 & UV Resistive
Max External Stray Sensitivity 1000A Max External Stray Sensitivity 100A
Mutual Inductance Error @0.5mT Cross Talk ≤0.1% Mutual Inductance Error @0.5mT Cross Talk ≤1%
Ambient Operating Temp. ­30°C ~ +80°C Storage Temperature -40°C ~ +80°C

Typical Positioning Error Diagram

ruggedizedsplittype_02

Integrator

Features

  • Wide Range Supply Voltage
  • Max Output Voltage 1.3Vac rms @1,000A, 60Hz
  • Minimal Circuit Noise & Excellent Accuracy

sales@taehwatrans.com

82-31-315-8161~4

82-31-315-8165

159 Misan-Ro(St), Siheung, Si(City) Gyeonggi-Do(Province), South Korea, 14945

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