PT Tester

Name

CT PT Analyzer for PT Tester

Usage

Class P/TP CT & VT

Output

0~180Vrms，12Arms，18A（peak value）

CT Ratio

Range

1~30000

accuracy

±0.05%

PT Ratio

Range

1~30000

accuracy

±0.05%

Phase

Range

±5min

accuracy

0.5min

DC resistance

Range

0~300Ω

accuracy

2%±2mΩ

Burden

Range

0~300VA

accuracy

2%±0.2VA

Power supply

AC220V±10%，50Hz

Environmental Conditions

 Operating temperature :-10οC ~50οC,Humidity :≤90%

Weight and Dimensions

Dimensions:340 mm×300 mm×150mm,Weight<9kg

parameters

description

P

TPY

measure

PR

PX

TPS

TPX

TPZ

rated primary current

Used to calculate the ratio of actual current accurately

√

√

√

√

√

√

√

√

rated burden

Rated load of plate, power factor for 0.8 or 1

√

√

√

√

√

√

√

√

power factor

√

√

√

√

√

√

√

√

Rated accurate limit coefficientKalf

The provisions of the plate,default 10,used to calculate the limit e.m.f. and their corresponding composite error

√

Rated symmetric short-circuit current coefficientKssc

The provisions of the plate,default 10,used to calculate the peak and their corresponding limits e.m.f transient error

√

√

√

√

Primary time constant

default :100ms

√

√

√

Second time constant

default :3000ms

√

√

Duty cycle

C-t1-O or C-t1-O-tfr-C-t2-O，default:C-t1-O cycle

√

√

t1

Current time limit for the first time,default:100ms

√

√

tal1

Time required to reach the specified accuracy during the first magnetization cycle,default:40ms

tfr

Time required to reach the specified accuracy during the second magnetization cycle,default:500ms,Choose C-t1-O-tfr-C-t2-O,Cycle will be shown

√

√

t2

Current time limit for the second time,default:100ms.Choose C-t1-O-tfr-C-t2-O,Cycle will be shown

√

√

√

tal2

Second the flow by maintaining accurate limits of time,default:40ms

√

√

choose C-t1-O-tfr-C-t2-O,cycle will be shown

Rated instrument security coefficient FS

Nameplate regulation,default:10

√

Used for calculation of the limit of composite error and their corresponding electromotive force

Rated calculating coefficients

√

Rated inflection point potential(Ek)

√

Ie corresponding with Ek

√

dimensioning factor

√

Rated Ual

The rated equivalent quadratic limit voltage

√

Ial corresponding with Ual

√

experiment item

Description

Connection diagram

resistance

excitation

ratio

√

Measure CT’s secondary winding resistance

Fig 2.10,must disconnection if measuring primary winding.

√

√

Measure CT’s secondary winding resistance and excitation characteristic

Fig 2.10,must disconnection if measuring primary winding.

√

Check it’s ratio and polarity

Fig 2.11

ORDERING INFORMATION FOR CT PTANALYZER FOR PT Tester

Cat. No.

Max Test Voltage

Max Test Current

Ratio Test Accuracy

Dimensions

Weight

VS-2800

0 to 2500 Vrms

0 to 1000 A

±0.2%

425 x 290 x 310 mm

30 kg

VS-2800A

0 to 180 Vrms

0 to 150 A

±0.1%

340 x 300 x 150 mm

9 kg

VS-2800B

0 to 180 Vrms

0 to 150 A

±0.05%

340 x 300 x 150 mm

9 kg

FEEL FREE TO MAKE A PHONE CALL:400 996 1868

OR E-MAIL TO: info@weishengelectric.com

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