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INSTRUMENT TRANSFORMER COMPARATORS
| Automatic Instrument Transformer Test Set AITTS-98 |
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• Automatic micro-processor controlled measurements
• Measures total burden connected to test sample
• Plots ratio & phase errors on-screen
• Has RS-232C computer interface & Centronics printer
port interface
• Both Voltage & Current Transformer testing with one
test set
• 5 and 1 Amp CT testing using either 5 or 1 Amp
standard CT
• Identifies ANSI, IEC, IS-P, IS-PR, BR, BS-S, IEC-S,
AS-M, AS-ME standards for CT&VT
• Available in three versions:
AITTS-98, ACTTS-98 & AVTTS-98
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• Fully pre-wired comprehensive turn test system
• Suitable for CTs up to 6000A & VTs up to 132kV
• Precision to (0.005 class) internal multi-ratio
standard CT
• Internal 7.2kV current source
• State-of-the-art Instrument Transformer Test Set
AITTS-98 with computer & printer interfaces
• Electronic potential divider facilitates testing any VT
ratio upto 132kV
• Current & potential burdens
• Automatic CT demagnetizer
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Accessories for CT
| Current Transformer Burden |
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• Burdens of 1A and 5A for
IEC & ANSI specifications
are available
• 40VA, 20VA, 10VA, 7.5VA, 6.25VA, 5 VA and different
combinations of these at 0.8 PF
3.75, 2.5, 1.25 & 1VA at 1.0 PF
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| Standard Current Transformer |
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• High accuracy of 800/5A(0.05%), 2000/5A(0.05%)
and 3200/5A (0.005%)
• Multiple ratios
• Various current ratings
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Accessories for VT
| Electronic Potential Divider |
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• Provides many ratios over a wide range
• Small ratio and phase errors
• Models operating at different voltages are available
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| Potential Transformer Burden |
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• Burdens for IEC and ANSI specifications rated
for various input voltages available
• 2.5 to 207.5 VA at 0.8 PF
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• 3 Terminal design
• SF6 gas filled
• 15 kV & 33 kV models available
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