HV HIPOT 2026 New CT PT Analyzer CPT-13 Excitation Curve Tester Current Voltage Transformer Tester

• Customization: Available
• After-sales Service: Yes
• Warranty: 1 year
• Model NO.: CPT-13
• Accuracy Grade: 0.5
• Load Way: Electronic Load
• Loading Method: Dynamic Load
• Display: Digital
• Control: Computer Control
• Weight: 0-100Kg
• Power Source: AC220V
• Power Supply: AC220V±10%, 50Hz
• Output Current: 0-1000A
• Accuracy of Excitation: ≤0.5%(0.2%*The Reading+0.3%*Range)
• Accuracy of Angular Error: 4min
• Accuracy of Ratio Error: 0.05%
• Dimension&Weight: 440mm* 340mm* 380mm; 35kg
• Data storage: 3000 grups
• Output voltage: 0-2500V, 5kVA(20A peak)
• Transport Package: Wooden Case
• Specification: ISO, SGS
• Trademark: HV Hipot
• Origin: Wuhan China
• HS Code: 9030841000
• Production Capacity: 800 PCS/Year

Product Description

HV HIPOT 2026 New CT PT Analyzer CPT-13 Excitation Curve Tester Current Voltage Transformer Tester

Product Description

 

General introduction

CPT-13 CT PT Analyzer is a fully automated test device developed in compliance with national standards such as GB/T 20840, designed for comprehensive performance verification of protection and metering-class CT/PT. It integrates high-precision laboratory calibration with efficient field testing, covering key tests including volt-ampere characteristics, transformer turn ratio, polarity, phase(angular)/ratio error,secondary winding  resistance,secondary burden, demagnetization tests, and 5%/10% error curves. With automatic excitation characteristic inflection point identification and standardized report generation.Adopting an integrated design without auxiliary equipment.It supports simultaneous testing of excitation and transformer ratio polarity,simplifying operation and comprehensively improving the efficiency and reliability of instrument transformer testing, It is widely applicable to various scenarios such as precise laboratory calibration, on-site testing in power engineering, power operation and maintenance, and training, fully meeting the performance verification requirements of transformers in various scenarios.


Features

_{Support testing of protection and metrology CT/PT, accurately adapts to the performance verification of transformer bushing CT, medium and low voltage transformers, and zero-sequence transformers, supports the determination of protection winding protection multiple (ALF), covers the calibration needs of various transformers, and provides high-precision performance verification.}

_{Supports simultaneous excitation testing and turns ratio/polarity verification.}

_{Intelligent controller is adopted.}

_{Finish all testing items by itself, no need to connect auxiliary equipment.}

_{Built-in mini high-speed printer ensures that test results are saved immediately and are traceable on-site.}

_{Large screen LCD, graphically display.}

_{With intelligent and accurate judgment function, automatically calculates and outputs CT/PT excitation inflection point value, and simultaneously generates 5% and 10% error curves.}

_{Save 3000 groups data and it is not lost after power down.}

_{With USB port. The data can be saved in USB disk and read by PC (WORD format file).}

_{Engineering plastic box with damping, strong and reliable.}

Main functions
 

Functions	CT	PT
Voltage current characteristic curve (excitation characteristic)	★	★
Auto calculate knee point value	★	★
Turns ratio measurement	★	★
Polarity determination	★	★
Ratio error measurement	★	★
Phase measurement (angular difference)	★	★
AC withstand test	★	★
Secondary winding resistance measurement	★	★
Secondary burden measurement	★	★
Primary current injection test	★
Auto display 5% and 10% error curve	★
Comprehensive test, complete excitation, ratio and polarity test at one time)	★

Main parameters 

Item		Parameter
Power supply		AC220V±10%, 50Hz
Output		0-2500V, 5kVA (20A peak)
Output current		0-1000A
Accuracy of excitation		≤0.5%(0.2% of the reading+0.3% of the range)
Secondary winding resistance measurement	Range	0.1-300Ω
	Accuracy	≤1.0% (0.4% of the reading+0.6% of the range)
Secondary actual burden measurement	Range	5-500VA
	Accuracy	≤0.5% (0.2% of the reading+0.3% of the range) ±0.1VA
Angular error measurement	Accuracy	4min
	Resolution	0.1min
CT ratio measurement	Range	≤25000A/5A (5000A/1A)
	Accuracy	≤0.5% (0.2% of the reading+0.3% of the range)
PT ratio measurement	Range	≤500KV
	Accuracy	≤0.5% (0.2% of the reading+0.3% of the range)
Operation environment		Temperature: -10ºC-40ºC, Humidity: ≤90%, Altitude: ≤1000m
Dimension & Weight		Dimension: 345mm × 445mm × 380mm    Weight: about 30kg

 

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