7SR210 & 7SR220 Commissioning & Maintenance Guide
Page 56 of 82
© 2013 Siemens Protection Devices Limited
Phase
Vs
(Volts)
DTL
(sec)
P.U. Current
Volts
Operat
e Time
2x Vs
Tolerence
E
Check correct indication, trip output, alarm contacts, waveform record.
2.10.7 Inverse Time (59NIT)
It will be advantageous to map the function being tested to temporarily drive the relevant Pickup output in the
Pickup Config
sub-menu in the
Output Config
menu as this will allow the Pick-up led to operate for the function.
Gradually increase voltage until Pickup LED operates.
Apply 2x setting voltage and record operating time,
Apply a higher multiple of setting voltage and record operating time.
Compare to calculated values for operating times from:
(
)
[ ]
ú
û
ù
ê
ë
é
-
=
1
1
)
sec
Vs
Vn
op
M
onds
t
Where M = Time multiplier and Vn/Vs = multiple of setting.
P.U.
D.O.
&
TIMING
TESTS
Ph.
Vs
(V)
TM
Operate Voltage
Operate Time
P.U.
(Volts)
D.O.
(Volts)
Tol
2.x Vs
(sec)
x Vs
(sec)
Tol
E
2.10.8
E
LEMENT
B
LOCKING
The Neutral Overvoltage elements can be blocked by Binary Input Inhibit. This functionality should be checked.
Element
BI Inhibits
59NIT
59NDT
Check correct indication, trip output, alarm contacts, waveform record.
When testing is complete reinstate any of the disabled functions.
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
Page 386: ...7SR220 Technical Manual Chapter 4 Page 6 of 96 2017 Siemens Protection Devices Limited ...
Page 398: ...7SR220 Technical Manual Chapter 4 Page 18 of 96 2017 Siemens Protection Devices Limited ...
Page 414: ...7SR220 Technical Manual Chapter 4 Page 34 of 96 2017 Siemens Protection Devices Limited ...
Page 466: ...7SR220 Technical Manual Chapter 4 Page 86 of 96 2017 Siemens Protection Devices Limited ...
Page 468: ...7SR220 Technical Manual Chapter 4 Page 88 of 96 2017 Siemens Protection Devices Limited ...
Page 470: ...7SR220 Technical Manual Chapter 4 Page 90 of 96 2017 Siemens Protection Devices Limited ...
Page 472: ...7SR220 Technical Manual Chapter 4 Page 92 of 96 2017 Siemens Protection Devices Limited ...
Page 643: ...Unrestricted ...