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GE SR750/760 Relay Tutorials - Part 6: Creating Phase Overcurrent Protection Element Blocks and Parameters

In this tutorial, will show how to create multiple blocks and parameters, copying blocks and parameters, linking parameters to another parameters using conditional formula like iif(), inserting overcurrent test module in the test document (OCC).


Welcome to the sixth part of GE SR750/760 Relay Tutorial series. If you haven't seen the previous tutorials, click the link below:

Part 5: Link XRIO Parameters Into RIO Device Function In The Test Object
GE SR750/760 Relay Tutorials

Open the test document that been created from the previous tutorial (Part 3).

When the Omicron Control Center document is open, select the Hardware Configuration then go to Insert tab in the ribbon menu. In the Insert tab, click the Group button to insert a new folder group under the Hardware Configuration. Right click on the new group and select properties. In the properties dialog box, set the title to Phase Current.


Select the Phase Current group and go to Insert tab then click Group button. Right click on it the select properties. In the properties dialog box, set the title to Phase Time Overcurrent 1.


Select the Phase Time Overcurrent 1 group and go to Insert tab then click Test Module button. The Insert Test Module dialog box will popup, select create new Overcurrent then click OK. Right click on it the select properties. In the properties dialog box, set the title to Phase Time Overcurrent 1 Trip Time Test - R. Then open and close the Overcurrent test module to generate the required RIO functions in the test object.


Now, open the test object and make sure that the advanced view is checked in the view menu to enable the linking in RIO function parameters.


As you can see, Overcurrent and CB Configuration function blocks are added. Now, add new block under under GE SR750/760 » Relay Parameters » Protection and set the following properties.

GE SR750/760 » Relay Parameters » Protection
Phase Current
ID PHASE_CURRENT
Name Phase Current

Under Phase Current block, add new block then set the following properties

GE SR750/760 » Relay Parameters » Protection » Phase Current
Phase Time Overcurrent 1
ID PTOC1
Name Phase Time Overcurrent 1


Open the EnerVista 750/760 Setup, open the setting file and go to Protection » Phase Current » Phase Time Overcurrent 1. There are twelve parameter settings and add those parameter settings in the Omicron Test Object. To do that, enter the following parameter details below.

GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1
Phase Time Overcurrent 1 Function
ID PTOC_FUNCTION
Name Phase Time Overcurrent 1 Function
Data Type Enumeration
Enumeration Data
ID Name
DISABLED Disabled
TRIP Trip
TRIP_AUTORECLOSE Trip & AutoReclose
ALARM Alarm
CONTROL Control
LATCHED_ALARM Latched Alarm
Value Disabled
Reference value Disabled
Phase Time Overcurrent 1: Relay 3
ID PTOC_RELAY3
Name Phase Time Overcurrent 1: Relay 3
Data Type Enumeration
Enumeration Data
ID Name
DO_NOT_OPERATE Do Not Operate
OPERATE Operate
Value Do Not Operate
Reference value Do Not Operate
Phase Time Overcurrent 1: Relay 4
ID PTOC_RELAY4
Name Phase Time Overcurrent 1: Relay 4
Data Type Enumeration
Enumeration Data
ID Name
DO_NOT_OPERATE Do Not Operate
OPERATE Operate
Value Do Not Operate
Reference value Do Not Operate
Phase Time Overcurrent 1: Relay 5
ID PTOC_RELAY5
Name Phase Time Overcurrent 1: Relay 5
Data Type Enumeration
Enumeration Data
ID Name
DO_NOT_OPERATE Do Not Operate
OPERATE Operate
Value Do Not Operate
Reference value Do Not Operate
Phase Time Overcurrent 1: Relay 6
ID PTOC_RELAY6
Name Phase Time Overcurrent 1: Relay 6
Data Type Enumeration
Enumeration Data
ID Name
DO_NOT_OPERATE Do Not Operate
OPERATE Operate
Value Do Not Operate
Reference value Do Not Operate
Phase Time Overcurrent 1: Relay 7
ID PTOC_RELAY7
Name Phase Time Overcurrent 1: Relay 7
Data Type Enumeration
Enumeration Data
ID Name
DO_NOT_OPERATE Do Not Operate
OPERATE Operate
Value Do Not Operate
Reference value Do Not Operate
Phase Time Overcurrent 1 Pickup(Setpoint)
ID PTOC_PICKUP
Name Phase Time Overcurrent 1 Pickup(Setpoint)
Data Type Real
Value 1.00
Reference value 1.00
Min Value 0.05
Max Value 20.00
Unit x CT
Digits after decimal 2
Phase Time Overcurrent 1 Curve
ID PTOC_CURVE
Name Phase Time Overcurrent 1 Curve
Data Type Enumeration
Enumeration Data
ID Name
EXTREMELY_INVERSE Extremely Inverse
VERY_INVERSE Very Inverse
NORMALLY_INVERSE Normally Inverse
MODERATELY_INVERSE Moderately Inverse
DEFINITE_TIME Definite Time
IEC_CURVE_A IEC Curve A
IEC_CURVE_B IEC Curve B
IEC_CURVE_C IEC Curve C
FLEXCURVE_A FlexCurve A
FLEXCURVE_B FlexCurve B
IAC_EXTREMELY_INVERSE IAC Extremely Inverse
IAC_VERY_INVERSE IAC Very Inverse
IAC_INVERSE IAC Inverse
IAC_SHORT_INVERSE IAC Short Inverse
IEC_SHORT_INVERSE IEC Short Inverse
Value IEC Curve A
Reference value IEC Curve A
Phase Time Overcurrent 1 Multiplier
ID PTOC_MUTIPLIER
Name Phase Time Overcurrent 1 Multiplier
Data Type Real
Value 1.00
Reference value 1.00
Min Value 0.00
Max Value 100.00
Unit
Digits after decimal 2
Phase Time Overcurrent 1 Reset
ID PTOC_RESET
Name Phase Time Overcurrent 1 Reset
Data Type Enumeration
Enumeration Data
ID Name
INSTANTANEOUS Instantaneous
LINEAR Linear
Value Linear
Reference value Linear
Phase Time Overcurrent 1 Direction
ID PTOC_DIRECTION
Name Phase Time Overcurrent 1 Direction
Data Type Enumeration
Enumeration Data
ID Name
DISABLED Disabled
FORWARD Forward
REVERSE Reverse
Value Disabled
Reference value Disabled
Phase Time Overcurrent 1 Voltage Restraint
ID PTOC_VOLTAGE_RESTRAINT
Name Phase Time Overcurrent 1 Voltage Restraint
Data Type Enumeration
Enumeration Data
ID Name
DISABLED Disabled
ENABLED Enabled
Value Disabled
Reference value Disabled

Once completed, it should be looked like in the image below.


Copy the Phase Time Overcurrent 1 block and paste it into the same block and rename it to Phase Time Overcurrent 2 and set the ID to PTOC2. Change the 1 parameters name number from 1 to 2. Once it done, that should be looked like in the image below.


On the XRIO block, add new block then set the following block parameters.

GE SR750/760 » XRIO
Phase Current
ID PHASE_CURRENT
Name Phase Current

Then add another block under XRIO » Phase Current block and set the following parameters.

GE SR750/760 » XRIO » Phase Current
Phase Time Overcurrent
ID PTOC
Name Phase Time Overcurrent

Then add another block under XRIO » Phase Current » Phase Time Overcurrent block and set the following parameters.

GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent
Phase Time Overcurrent 1
ID PTOC1
Name Phase Time Overcurrent 1

Then, add the following parameters.

GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1
Function Enabled
ID FUNCTION_ENBALED
Name Function Enabled
Data Type Boolean
Pickup
ID PICKUP
Name Pickup
Data Type Real
Value 0.00
Reference value 0.00
Unit x CT
Curve
ID CURVE
Name Curve
Data Type String
Multiplier
ID MULTIPLIER
Name Multiplier
Data Type Real
Value 0.00
Reference value 0.00
Is Linear?
ID IS_LINEAR
Name Is Linear?
Data Type Boolean
Is Directional?
ID IS_DIRECTIONAL
Name Is Directional?
Data Type Boolean
Direction
ID DIRECTION
Name Direction
Data Type String
Is Voltage Restraint?
ID IS_VOLTAGE_RESTRAINT
Name Is Voltage Restraint?
Data Type Boolean

It should be looked like in the image below.


Duplicate the Phase Time Overcurrent 1 block three time and rename the second block to Phase Time Overcurrent 2. It should be looked like in the image below.


Rename the third block to Phase Time Overcurrent Active and set the ID to PTOC_ACTIVE, then add new parameter and set the following. Phase Time Overcurrent 1 and 2 will be link here using the conditional formula iff(). This formula is commonly used to compare two parameters and it will give a certain result.

GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active
Name
ID NAME
Name Name
Data Type String


Now, enter and link the the following formula in the table below to XRIO » Phase Current » Phase Time Overcurrent 1 parameters.

GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1
Parameter Name Formula
Function Enabled PTOC_FUNCTION <> DISABLED
PTOC_FUNCTION GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Function
DISABLED GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Function » Disabled
Pickup PTOC_PICKUP
PTOC_PICKUP GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Pickup(Setpoint)
Curve PTOC_CURVE
PTOC_CURVE GE SR750/760 » Relay Parameters » Protection » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Curve
Multiplier PTOC_MULTIPLIER
PTOC_MULTIPLIER GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Multiplier
Is Linear? PTOC_RESET = LINEAR
PTOC_RESET GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Reset
LINEAR GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Reset » Linear
Is Directional? PTOC_DIRECTION <> DISABLED
PTOC_DIRECTION GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Direction
DISABLED GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Direction » Disabled
Direction PTOC_DIRECTION
PTOC_DIRECTION GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Direction
Is Voltage Restraint? PTOC_VOLTAGE_RESTRAINT = ENABLED
PTOC_VOLTAGE_RESTRAINT GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Voltage Restraint
ENABLED GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 1 » Phase Time Overcurrent 1 Voltage Restraint » Enabled

Do the same in Phase Time Overcurrent 2. Enter and link the following formula in the table below.

GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2
Parameter Name Formula
Function Enabled PTOC_FUNCTION <> DISABLED
PTOC_FUNCTION GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Function
DISABLED GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Function » Disabled
Pickup PTOC_PICKUP
PTOC_PICKUP GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Pickup(Setpoint)
Curve PTOC_CURVE
PTOC_CURVE GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Curve
Multiplier PTOC_MULTIPLIER
PTOC_MULTIPLIER GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Multiplier
Is Linear? PTOC_RESET = LINEAR
PTOC_RESET GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Reset
LINEAR GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Reset » Linear
Is Directional? PTOC_DIRECTION <> DISABLED
PTOC_DIRECTION GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Direction
DISABLED GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Direction » Disabled
Direction PTOC_DIRECTION
PTOC_DIRECTION GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Direction
Is Voltage Restraint? PTOC_VOLTAGE_RESTRAINT = ENABLED
PTOC_VOLTAGE_RESTRAINT GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Voltage Restraint
ENABLED GE SR750/760 » Relay Parameters » Protection » Phase Current » Phase Time Overcurrent 2 » Phase Time Overcurrent 2 Voltage Restraint » Enabled

Go to Test Controller block and add new block and set the following details

GE SR750/760 » Test Controller
Phase Current
ID PTOC
Name Phase Current

The add the following parameters in the Phase Current block under Test Controller.

GE SR750/760 » Test Controller » Phase Current
Phase Time Overcurrent
ID PTOC
Name Phase Time Overcurrent
Data Type Enumeration
Enumeration Data
ID Name
OFF OFF
PTOC1 Phase Time Overcurrent 1
PTOC2 Phase Time Overcurrent 2
Reference Value OFF
Value Phase Time Overcurrent 1
Phase Instantaneous Overcurrent
ID PIOC
Name Phase Instantaneous Overcurrent
Data Type Enumeration
Enumeration Data
ID Name
OFF OFF
PIOC1 Phase Instantaneous Overcurrent 1
PIOC2 Phase Instantaneous Overcurrent 2
PTOC1 Phase Time Overcurrent 1
PTOC2 Phase Time Overcurrent 2
Reference Value OFF
Value Phase Instantaneous Overcurrent 1

Once finished, that should be looked like in the image below


Go to Phase Time Overcurrent Active block under GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent block then enter and link the following formulas

GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active
Parameter Name Formula
Function Enabled iif(NAME = "PTOC1", FUNCTION_ENABLED, PTOC2_FUNCTION_ENABLED)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
FUNCTION_ENABLED GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Function Enabled
PTOC2_FUNCTION_ENABLED GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Function Enabled
Name PTOC
PTOC GE SR750/760 » Test Controller » Phase Current » Phase Time Overcurrent
Pickup iif(NAME = "PTOC1", PICKUP, PTOC2_PICKUP)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
PICKUP GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Pickup
PTOC2_PICKUP GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Pickup
Curve iif(NAME = "PTOC1", CURVE, PTOC2_CURVE)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
CURVE GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Curve
PTOC2_CURVE GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Curve
Multiplier iif(NAME = "PTOC1", MULTIPLIER, PTOC2_MULTIPLIER)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
MULTIPLIER GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Multiplier
PTOC2_MULTIPLIER GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Multiplier
Is Linear? iif(NAME = "PTOC1", IS_LINEAR, PTOC2_IS_LINEAR)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
IS_LINEAR GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Is Linear?
PTOC2_IS_LINEAR GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Is Linear?
Is Directional? iif(NAME = "PTOC1", IS_DIRECTIONAL, PTOC2_IS_DIRECTIONAL)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
IS_DIRECTIONAL GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Is Directional?
PTOC2_IS_DIRECTIONAL GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Is Directional?
Direction iif(NAME = "PTOC1", DIRECTION, PTOC2_DIRECTION)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
DIRECTION GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Direction
PTOC2_DIRECTION GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Direction
Is Voltage Restraint? iif(NAME = "PTOC1", IS_VOLTAGE_RETRAINT, PTOC2_IS_VOLTAGE_RETRAINT)
NAME GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent Active » Name
IS_VOLTAGE_RETRAINT GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 1 » Is Voltage Restraint?
PTOC2_IS_VOLTAGE_RETRAINT GE SR750/760 » XRIO » Phase Current » Phase Time Overcurrent » Phase Time Overcurrent 2 » Is Voltage Restraint?

Once finished, that should be looked like in the image below.


In this tutorial you've learned adding multiple blocks, adding multiple parameters, linking parameters to other parameters, linking parameters with conditional formula like iff(), Inserting test module to test document (OCC)

In the tutorial, I will show you how to link XRIO parameters in the RIO function module. I will show you how to use this test plan during the testing of the relay.

See you next time.


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