Siemens 7SA511 manual As a percentage of VN Primary specified at address

7SA511 Line Protection Relay Displaying System and Relay Information

Table 6-6.Operational Measured Values

Addr.

LCD Text

Description

5701

5702

5703

5704

5705

5706

5707

5708

5709

IL1 =	A
IL2 =	A
IL3 =	A
UL12 =	kV
UL23 =	kV
UL31 =	kV
Pa =	MW
Pr =	MVA
f[%] =	%

Primary current in phase 1

Primary current in phase 2

Primary current in phase 3

Primary phase 1 - phase 2 voltage (VL1-L2)

Primary phase 2 - phase 3 voltage (VL2-L3)

Primary phase 3 - phase 1 voltage (VL3-L1)

Active primary power

Reactive primary power

System frequency as a percentage of the rated frequency specified at address 7899 (60 or 50 Hz)

5710		IL1[%] =	%	IL1 as a percentage of IN PRIMARY specified at address 1105
5711		IL2[%] =	%	IL2 as a percentage of IN PRIMARY specified at address 1105
5712		IL3[%] =	%	IL3 as a percentage of IN PRIMARY specified at address 1105
5713		UL12[%] = %		VL1-L2as a percentage of VN PRIMARY specified at address 1103
5714		UL23[%] = %		VL2-L3as a percentage of VN PRIMARY specified at address 1103
5715		UL31[%] = %		VL3-	as a percentage of VN PRIMARY specified at address 1103
5716		Pa[%] =	%	Active power as a percentage of the rated apparent power
							VN PRIMARY IN PRIMARY
				SN =		3
5717		Pr[%] =	%	Reactive power as a percentage of the rated apparent power
							VN PRIMARY IN PRIMARY
				SN =		3
6.6.2	Ground Fault Measured Values in Ungrounded Systems (5800) (Optional)
				L1

Address block 800 is used to display the measured values when a ground fault is detected in an ungrounded syst m. These values are only recorded when ground fault detection for ungrounded systems is programmed as existing in address 7807 (see section 5.6) and the relay model number is 7SA511*-**A5*- ***. Values outside the permissible range are identified by asterisks (****). The measured valueMEASURDVAUES580Iea=1M0ISOLE/FappearsE0AS.in03.theVLUEAsecond line of the LCD as shown in the example below.

Table 6-7 describes the four measured values you can view in address block 5800. The message “NON-EXISTING” will appear in the second line of the LCD if a value cannot be calculated due to incorrect parameters.

6-16 July 27, 1995