Scribd
Upload
26 views1 page

Design Specification 00 09A-045-950

This document is a design specification for a current transformer with the following key details: - Insulation class of 0.60 kV and 105°C - Continuous rating factor of 2.00 at 95°C ambient temperature - Secondary winding resistance of 0.0034 Ohms/T @ 75°C and lead resistance of 0.0014 Ohms/ft @ 75°C - Short time current ratings of 16.1 kA peak for 1 cycle asymmetrical and 6.0 kA RMS sym for 1 second

Uploaded by

roxibo3129
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
26 views1 page

Design Specification 00 09A-045-950

This document is a design specification for a current transformer with the following key details: - Insulation class of 0.60 kV and 105°C - Continuous rating factor of 2.00 at 95°C ambient temperature - Secondary winding resistance of 0.0034 Ohms/T @ 75°C and lead resistance of 0.0014 Ohms/ft @ 75°C - Short time current ratings of 16.1 kA peak for 1 cycle asymmetrical and 6.0 kA RMS sym for 1 second

Uploaded by

roxibo3129
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 1

DESIGN SPECIFICATION

DWG.: REV.:
09A-045-950 00
ORIGINAL ISSUE DATE: 08/06/14 08/06/14
PRODUCT TYPE: BCT-OIL INSULATION CLASS: 0.60 kV 105 °C

CUSTOMER P/N: 400050116 DWG. MOST RECENT REV.


IN ADDITION TO THE INFORMATION CONTAINED HEREIN, ADDITIONAL REQUIREMENTS MAY BE SPECIFIED.
FOR THOSE SPECIFIC DETAILS REFER TO THE CUSTOMER DWG (WHEN STATED).

CURRENT RATIO: 50 : 5 DR RATED FREQUENCY: 60 Hz

ACCURACY: C50 @ 50:5

STANDARD: IEEE C57.13 MEASUREMENT CANADA APPROVAL:

TAPS: 25/50:5 CONTINUOUS RATING FACTOR (RF): 2.00 @ 95 °C AMB.

SEC. WINDING RESISTANCE: 0.0034 Ohms / T @ 75°C LEAD RESISTANCE: 0.0014 Ohms / ft @ 75°C
SHORT-TIME CURRENT RATINGS
These ratings are based strictly on the secondary winding alone, and may be different than the equipment for which the CT is being installed on.
APPLIED TO FULL WINDING ANY TAP
MECHANICAL (I dyn): 16.1 kA peak, 1 cycle asymmetrical 322.5 X nominal ratio

THERMAL (Ith): 6.0 kA RMS sym, 1 sec 3.5 kA RMS sym, 3 sec 119.5 X nominal ratio, 1 sec

PHYSICAL PARAMETERS
FINISHED I.D. FINISHED O.D. FINISHED HT FINISHED WT
4.50 in 10.00 in 9.75 in 126 lbs
114 mm 254 mm 248 mm 57 kgs
MIN. tolerance MAX. tolerance MAX. tolerance
RATIO TURNS CONNECTION
WINDING ARRANGEMENT
25:5 5 X1-X2
50:5 10 X1-X3 H1

X1 / S1 X2 / S2 X3 / S3
LEADS / TERMINALS: #10 AWG TEFZEL, 20 FT [6096mm] LENGTH
COLOR CODE (IF APPLICABLE)
X1 GREY
X2 GREY
X3 GREY

QUALIFICATIONS / COMMENTS
It is Meramec's policy to comply to the most current release of any referenced standard, unless noted below. In addition and when applicable, unit shall also comply
with purchaser's drawing and/or technical specification as referenced above under "Customer Dwg". Construction materials and methods are Meramec's standard.

QUALIFICATIONS:
1. Construction suitable for use in or above hot transformer oil.

You might also like