TRANSFORMER TEST EQUIPMENT
• High Accuracy and Linearity
• Two-Stage, Zero Flux Design
• Passive and Active (Elec-
tronic) Operation
• Multi-Ratio Design
• Primary Currents from 5 to
6000 Amperes
• 5 Amp or 1 Amp Secondary
• Open-Circuit Secondary Pro-
tection
6000A STANDARD CURRENT TRANSFORMER
tively removes core flux caused by region from 5 amperes to 100
DESCRIPTION voltage induced secondary burden. amperes.
Battery powered electronic burden The multi-ratio configuration fea-
Precision two-stage toroidal current
cancellation improves the accuracy tures a rotary switch ampere-turn
transformers find application as the
by typically a factor of five selection arranged in a convenient
reference in determining the accu-
approaching 10ppm (0.001%). binary format.
racy of instrumentation current
transformers. The primary current conductor, typ- Models are available with or with-
ically a bus-bar or flexible cable, is out electronic burden cancellation
The better than 50ppm (0.005%)
threaded through the centre hole as well as a 5 ampere or 1 ampere
accuracy in passive operation at
with one or more turns. normalized secondary current.
0.5VA common burden (typical
Comparator burden) is further Several models feature wound pri-
improved by activating an elec- mary turns to facilitate operation at
tronic processing circuit that effec- lower current operation in the
6 0 0 0 A M P E R E C T - AVA I L A B L E R AT I O S E T T I N G S
1 Pri. Turn 2 Pri Turns 5 Pri Turns 10 Pri Turns 50 Pri Turns 100 Pri Turns
6000 3000 1200 600 120 60
5900 2950 1180 590 118 59
5800 2900 1160 580 116 58
• • • • • •
• • • • • •
700 350 140 70 14 7
600 300 120 60 12 6
500 250 100 50 10 5
Ratios: Relative to 5 or 1 ampere secondary - Note: 50 and 100 Primary Turns are Integral CT windings.
-1- Rev. V1.00 2008/11/25
TRANSFORMER TEST EQUIPMENT
6 0 0 0 A M P E R E C T - S P E C I F I C AT I O N S
PASSIVE ACCURACY (5% to 200% Excitation): DIMENSIONS (W x L x H):
7” x 21” x 23” (178mm x 533mm x 584mm)
0.5VA Burden : Ratio: ±0.005%, Phase: ±0.3 minutes
2.5VA Burden : Ratio: ±0.010%, Phase: ±1.0 minutes Primary Conductor Opening:
5”, 127mm
ACTIVE ACCURACY (5% to 200% Excitation): Weight:
80 lbs, 26 Kg
0.5VA Burden : Ratio: ±0.001%, Phase: ±0.1 minutes
2.5VA Burden : Ratio: ±0.003%, Phase: ±0.3 minutes Battery:
9 Volt, Alkaline, Qty. 2
Operating Frequency: Battery Life:
50 Hz / 60 Hz 40 hours typical, varies as a function of Ampere-Turns
and Secondary Burden.
Other Features:
• Wound 50 Turn and 100 Turn Primary Windings
• Secondary Open-Circuit Protection
• Excessive Burden (harmonic overload / clipping) Indicator
• Active Operation On/Off Indicator
O R D E R I N G I N F O R M AT I O N
Item Catalog No.
6000:5 Multi-Ratio Current Transformer, Passive and Electronic ................... PMT25090-000-00
6000:5 Multi-Ratio Current Transformer, Passive ........................................... PMT25090-000-01
6000:1 Multi-Ratio Current Transformer, Passive and Electronic ................... PMT25091-000-00
6000:1 Multi-Ratio Current Transformer, Passive ........................................... PMT25091-000-01
Please contact factory for other ratio configurations.
C O N TA C T I N F O R M AT I O N
Power Measurement Technologies Inc. Tel: 905-944-1551
43 Riviera Drive Unit #7 Fax: 905-944-1551
Markham, Ontario E-mail: sales@pmt-inc.com
Canada L3R 5J6
-2- Rev. V1.00 2008/11/25
