Product DescriptionDescriptionsCT and PT Tester is the
revolutionary testing system for various CTs and PTs according to
standards IEC61869-2 (IEC60044-1,60044-6), IEC61869-3(IEC60044-2)
and IEEE/ANSI C57.13. The Analyzer can automatically complete the
test within seconds by one click of the patented multifunctional
rotary mouse. It allows to test the knee-point voltage up to 40kV
CTs and PTs on-site in power grids or in manufacturers' production
facilities or test labs. CT and PT Tester CTP-200 is only
9kg(9.84 lbs), which is easy to carry on testing site.Main
Features1) Able to test Protection CTs, Measuring CTs, TP class CTs
and inductive PTs2) Test excitation characteristic and error curve
based on low-frequency measurement principle3) Measure ratio,
polarity, ratio error and phase displacement error based on voltage
method4) Automatic demagnetization of the CT after test.5) Adopt
patented multifunctional rotary mouse to replace the keypad6) Adopt
5.7 inches LCD screen for display7) Adopt DSP, ARM and embedded
LINUX operation system8) Both local test and PC remote test
available9) Higher measurement accuracy: 0.05 %10) Print test
results directly by built-in thermal printer11) Small and light
weight (9kg / 19.84 lbs) for easy transport Application-CT/PT
excitation and saturation test-Accuracy measurement of ratio and
phase angle-Secondary loop burden measurement-Winding resistance
measurement-Saturated and non-saturated inductance test-Transient
CT parameters test-CT/PT polarity test-CT nameplate
guess Technical Data○Test
Standard: IEC61869-2(IEC60044-1,60044-6),
IEC61869-3(IEC60044-2), IEEE/ANSI C57.13○Maximum Knee Voltage
Measurement: 40kV ○Output Range:voltage:
0~180V(RMS)current: 0~12A(RMS), 36A(peak value) ○Voltage
Measurement Accuracy: ±0.05%○CT Ratio
Measurement:range:1~30000accuracy: ±0.05% ○PT Ratio
Measurement:range:1~10000accuracy: ±0.05% ○Phase
Measurement:accuracy: ±2minresolution: 0.01min ○Secondary
Winding Resistance Measurement:range: 0~300Ωaccuracy:
0.1%±1mΩ ○Burden Measurement:range: 0~300VAaccuracy:
0.1%±0.1VA ○Memory Capacity: >3000 groups test
results ○Power SupplyNominal Input VoltageCustomized (AC
220V/230V/120V/127V±10%, 1-Phase)Nominal Frequency50/60 HzRated
Current10A At 230V / 12A At 115VConnectionStandard AC Socket (IEC
60320) ○Environmental ConditionsOperation Temperature0 ... +50
°C (+32 ... +122 °F)Storage Temperature-25 ... +70 °C (-13 ... +158
°F)Humidity RangeRelative Humidity 5 ... 95 %,
Non-CondensingVibrationIEC 60068-2-6(20m/S2 At 10 ... 150
Hz) ○MiscellaneousWeight9kg / 19.84 LbsDimensions (W X H X D,
Without Handle)340×300×150mm(13.39x11.81x5.91 In)Connection Port2
USB2.0 Ports, 1 Communication Port ○Safety Standards,
Electromagnetic CompatibilityEMCThe Product Adheres To The
Electromagnetic Compatibility (EMC) Directive 2004/108/EC(CE
Conform)IEC 61326-1; IEC 61000-6-4; IEC 61000-3-2/3SafetyThe
Product Adheres To The Low Voltage Directive 2006/95/EC(CE
Conform).IEC 61010-1 Ratio error and phase angle
error of CT tested by
voltage measurement method Figure1 CT's equivalence
principle diagram CT's equivalence principle is shown as
figure1. As we can know from the figure, the main reason of causing
ratio error and phase angle error is the error of excitation loss's
current Iex and turns ratio Np/Ns. So for 5%, 20%,100%,120% rated
current output, if Iex amplitude and phase position and true turns
ratio Np/Ns are known, then the ratio error and angle error of CT
at this time can be calculated. The tester calculates the ratio
error and phase angle error of CT by the measured turns ratio Np/Ns
and excitation loss Iex. Turns Ratio Np/Ns can be got by
inputting voltage on the secondary side under no-load condition and
test the primary induced voltage. Iex can be got by test the
secondary side's excitation characteristics. Because Iex is
determined by the induced electromotive force of secondary circuit,
Iex amplitude and phase angle can be got from excitation
characteristics. When the secondary current and the secondary load
are known, Vex value is also can be got by calculation and get Iex
value by checking out the excitation characteristics data table.CT
and PT Tester CTP-200P was showed at THE 9TH INTERNATIONAL
EXHIBITION ON ELECTRICAL TECHNOLOGY & EQUIPMENT in SECC, Ho Chi
Minh City. CT and PT Tester CTP-200P is portable and reliable
instrument for testing Current Transformers and Potential
Transformers indoor or outdoor. CertificationsCT and PT Tester
CTP-200P is calibrated in in the third party laboratory accredited
under ISO/IEC 17025. The calibration report is shown as
below. Company ProfileHAOMAI ELECTRIC POWER AUTOMATION is
established in 1999 and located in Wuhan of China, which
is specialized in developing and manufacturing electrical
power test and measurement instruments. HAOMAI products are widely
used in power grid, petrochemical, metallurgy, railway, coal
mine, research institutes and all kinds of large-scale
factories or enterprises.mainly focuses on the
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