20.2
Insulation tests
Table 555:
Insulation tests
Description
Type test value
Reference
Dielectric tests:
IEC 60255-5
ANSI C37.90-2005
•
Test voltage
2 kV, 50 Hz, 1 min
1 kV, 50 Hz, 1 min,
communication
Impulse voltage test:
IEC 60255-5
ANSI C37.90-2005
•
Test voltage
5 kV, unipolar impulses,
waveform 1.2/50 μs, source
energy 0.5 J
1 kV, unipolar impulses,
waveform 1.2/50 μs, source
energy 0.5 J, communication
Insulation resistance
measurements
IEC 60255-5
ANSI C37.90-2005
•
Isolation resistance
>100 MΏ, 500 V DC
Protective bonding resistance
IEC 60255-27
•
Resistance
<0.1 Ώ (60 s)
20.3
Mechanical tests
Table 556:
Mechanical tests
Description
Reference
Requirement
Vibration response tests
(sinusoidal)
IEC 60255-21-1
Class 1
Vibration endurance test
IEC60255-21-1
Class 1
Shock response test
IEC 60255-21-2
Class 1
Shock withstand test
IEC 60255-21-2
Class 1
Bump test
IEC 60255-21-2
Class 1
Seismic test
IEC 60255-21-3
Class 2
20.4
Product safety
Table 557:
Product safety
Description
Reference
LV directive
2006/95/EC
Standard
EN 60255-27 (2005)
1MRK 504 135-UEN A
Section 20
IED and functionality tests
623
Technical manual
Содержание ret650
Страница 1: ...Relion 650 series Transformer protection RET650 Technical manual ...
Страница 2: ......
Страница 40: ...34 ...
Страница 62: ...56 ...
Страница 84: ...78 ...
Страница 208: ...202 ...
Страница 353: ...Table 236 Gray code conversion IEC06000523 V1 EN 1MRK 504 135 UEN A Section 12 Control 347 Technical manual ...
Страница 376: ...370 ...
Страница 414: ...408 ...
Страница 530: ...524 ...
Страница 562: ...556 ...
Страница 620: ...614 ...
Страница 668: ...662 ...
Страница 669: ...663 ...