ECP 11-0512i Schneider RN6c with MICOM P116...

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Document Number: ECP 11-0512i

Version: 1.0

Date: 20/03/2017

SCHNEIDER RN6C WITH MICOM P116 RELAY TEST FORM

Substation Name

Substation Number

Voltage

Switchgear

Installed Mode Free-standing () Transformer-mounted ()

Switchboard Number Manufacturer Schneider

Serial Number Type RN6c

Protection CTs

CT Ratio (400/1 or 800/1)

Relay

Serial Number Setting Range (x2 or x4)

Shunt Trip Coil (if fitted)

20-48V DC () 110-240V AC/DC ()

Protection Settings (specified by planner/designer)

Overcurrent Settings Earth Fault Settings

Setting Current Setting Current

Curve Curve

Time Multiplier Time Multiplier

Highset Setting Current Highset (or SEF) Setting Current

Highset Time Highset (or SEF) Time

Preliminary Checks ()

Disconnect the umbilical cable from the RTU (if fitted)

Visual inspection satisfactory (no visible signs of damage etc)

Earthing satisfactory

SF6 gas pressure satisfactory

Functional/Interlock Checks ()

Open and close switches

Earth switches cannot be operated when service selected

Switch/circuit-breaker cannot be operated when earth selected

Open and close earth switches

Test access cannot be opened when switch/circuit-breaker in On and Off position

Test access can be opened when earth switch closed

Switch/circuit-breaker cannot be operated when test access open

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Document Number: ECP 11-0512i

Version: 1.0

Date: 20/03/2017

Functional/Interlock Checks ()

Transformer Winding Insulation Resistance using Test Voltage from ECS 11-0006 (transformer-mounted units only)

HV windings to earth (LV windings connected together and to earth) M

LV windings to earth (HV windings connected together and to earth) M

Switchgear Continuity Test

RSW1 RSW2 CB Terminals Under Test Continuity

TM* FS* TM* FS*

RSW1 to RSW2 RSW1 to RSW2 to CB

Closed Closed Open Closed L1 - L1 L1 - L1 - L1



Closed Open Closed L1 - L2 (RSW1)

Closed Open Closed L2 - L3 (RSW1)

RSW1 RSW2 CB Terminals Under Test Continuity

Earthed Open Open RSW1 L1 - E

L2 - E

L3 - E

Open Earthed Open RSW2 L1 - E

L2 - E

L3 - E

HV Insulation Tests using Test Voltage from ECS 11-0006

RSW1 RSW2 CB Terminal Voltage (kV)

Duration (min)

IR (M)

Under Test

Earthed

TM* FS* RSW1 RSW2 CB(FS* only)

Closed Closed Open Closed L1 L2, L3



Open Closed Open Closed L1, L2, L3

L1, L2, L3

L1, L2, L3

Closed Open Open Open L1, L2, L3

L1, L2, L3

* TM - transformer-mounted and FS - free-standing.

Schneider RN6c with MICOM P116 Relay Test Form Document Number: ECP 11-0512i

Version: 1.0

Date: 10/04/2017

FPI CTs Insulation Resistance using 1kV Test Voltage (test from rail C terminal block – Figure 1 and Figure 2)

Disconnect FPI or RTU (if fitted) ()

Switch Phase Wire

RSW1

Remove CT earth link D190L – D170L ()

L1 D111L - Earth M

L2 D131L - Earth M

L3 D151L - Earth M

Replace CT earth link D190L – D170L ()

RSW2

Remove CT earth link D190R – D170R ()

L1 D111R - Earth M

L2 D131R - Earth M

L3 D151R - Earth M

Replace CT earth link D190R – D170R ()

FPI CTs Loop Continuity (test from rail C terminal block – Figure 1 and Figure 2)

Switch Phase Wire

RSW1

L1 D111L – D170L

L2 D131L – D170L

L3 D151L – D170L

RSW2

L1 D111R – D170R

L2 D131R – D170R

L3 D151R – D170R

Ensure all physical shorting links are open/removed (D111, D131, D151, D171) ()

Reconnect FPI or RTU (if fitted) ()

© UK Power Networks 2017 All rights reserved 3 of 12


Version: 1.0

Date: 10/04/2017

Figure 1 – RSW1 FPI CTs Figure 2 – RSW2 FPI CTs



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Date: 10/04/2017

Protection CTs Insulation Resistance using 1kV Test Voltage(test from rail C terminal block – Figure 3)

Remove CT wiring links C12, C32, C52, C71

()

Remove CT wiring earth link C70, C90 ()

Ensure yellow physical shorting link is open ()

Measure the insulation resistance C70 - Earth M

Replace CT wiring earth link C70 - C90 ()

Protection CTs Loop Continuity(test from rail C terminal block – Figure 3)

Measure L1 CT continuity C11 - C70



Replace CT wiring links C12, C32, C52, C71 ()

Figure 3 – Protection CTs



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Date: 10/04/2017

Dual Ratio Protection CTs

For switchgear with dual ratio protection CTs select the appropriate ratio to give the required protection settings and record CT ratio on the front of the form

()

CT Ratio Terminal Block Connections

400/1C210 - 5C230 - 6C250 - 7

()

800/1C110 - 1C130 - 2C150 - 3

()

Using The Protection Relay as an FPI Function.

When the RMU T-Off is used to supply another RMU as part of an interconnected network, the protection relay can be configured to be used as an FPI (Fault Path Indicator).

Follow the procedure below to remove the trip output function from the relay to the circuit breaker on the RMU.

Starting at the home screen on the protection relay, follow the steps below to disable the tripping output to the circuit breaker. The Schneider Electric RMU protection relay will come from the Schneider Electric factory with the protection relay already enabled for CB tripping and protection alarm operated.

Figure 4: P116 Relay Home Screen



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Date: 10/04/2017

From main menu:

Setting Group 1 I>?OK Setting Mode OK Change setting to 2: Alarm (using up/down buttons)

Phase O/C G1 E/GND Fault G1 IN_1 stageOK Setting Mode OK Change setting to 2: IN> Alarm (using up/down buttons)

Press C button four times to return to go back to main screen



Version: 1.0

Date: 10/04/2017

Test Protection Settings

Apply the following temporary settings to the relay (refer to Appendix A for guidance) ()


I> 80A400/1 0.2 In

Ie> 60A400/1 0.15 Ien

800/1 0.1 In 800/1 0.075 Ien

Delay Type DMT Delay Type DMT

IDMT IEC SI IDMT IEC SI

TMS 1.5 TMS 1.5

I>> 4.0 x In Ie>> 2.0 x Ien

I>>> No Ie>>> No

Relay Operation - Primary Injection Test

Increase current until the LED starts to flash and record the current value. Reset the relay and, if necessary, close the circuit breaker before each test

Overcurrent Pickup Test

RSW1 RSW2 CB Conductors Under Test

Short Conductors

I> Setting

Calculated Pickup Current (Is + 20%)

Actual Pickup Current

RSW1 CB

Closed Open Closed L1 - L2 L1, L2, L3 80A 96A A

Closed Open Closed L2 - L3 L1, L2, L3 80A 96A A

Earth Fault Pickup Test

RSW1 RSW2 CB Conductors Under Test Ie>

Setting

Calculated Pickup Current (Ios + 20%)

Actual Pickup Current

RSW1 CB

Closed Open Closed L1 L1 60A 72A A





Version: 1.0

Date: 10/04/2017

In-service Protection Settings

Apply the in-service protection settings as specified by the planner/designer to the relay and record them below (refer to Appendix A for guidance) ()


Is Ios

I> curve Io> curve

DT only DT only

t> Select from table on relay

to> Select from table on relayx10 / x1 x10 / x1

I>> (Highset Current ÷Is) Io>> (Highset Current ÷Is)

t>> to>>

Table A - Calculate Injection Currents Overcurrent Setting Earth Fault Setting

CT Ratio

Primary Setting Current (Is) (Ios)

Secondary Setting Current (Primary Setting Current ÷ CT Ratio)

2 x Secondary Setting Current

5 x Secondary Setting Current

I>> or Io>> x Secondary Setting Current (highset)*

DT x Secondary Setting Current (SEF)*

Table B - Calculate Operating Times Overcurrent Setting Earth Fault Setting

Curve (I>) (Io>)

Time Setting on relay

(if x10 is selected multiply t> or to> setting by 10)

(t>) (to>)

(t>>) (to>>)

Tripping time at 2 x secondary current

Curve SI (t> or to> x 3.38) +0.09s s s

Curve VI (t> or to> x 9) + 0.09s s s

Curve EI (t> or to> x 33) + 0.09s s s

Tripping time at 5 x secondary current

Curve SI (t> or to> x 1.44) + 0.09s s s

Curve VI (t> or to> x 2.25) + 0.09s s s

Curve EI (t> or to> x 4.1) + 0.09s s s

Tripping time at I>> or Io>> or DT x Secondary Setting Current

Highset/Instantaneous t>> or to>> + 0.09s s s

SEF* to> + 0.09s s

* Only calculate highset, instantaneous or SEF settings if used.



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Date: 10/04/2017

Relay Operation - Secondary Injection Test

Connect timer circuit to auxiliary contacts 124 and 125 on rail A in marshalling box ()

Overcurrent Test

SettingCalculated Injection Current(from table A)

Calculated Operating Time (from table B)

Actual Operating Times

C11 - C31 C31 - C51 C51 - C11

2x A s s s s

5x A s s s s

Instantaneous A s s s s

Earth Fault Test

SettingCalculated Injection Current(from table A)

Calculated Operating Time (from table B)

Actual Operating Times

C11 - C70 C31 - C70 C51 - C70

2x A s s s s

5x A s s s s

Instantaneous A s s s s

SEF* A s s s s

Figure 5: Relay Timing Test Terminals



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Date: 10/04/2017

Shunt Trip and Emergency Trip (if fitted)

Check correct shunt trip coil voltage is selected ()

Test Coil Terminals Test Voltage CB Trips

Apply 70% (dc) or 85% (ac) of coil rated voltage

20-48V DC 17 – 20 V ()

110-240V AC/DC 17 – 18 V ()

Apply 110% Voltage of coil rated voltage

20-48V DC 17 – 20 V ()

110-240V AC/DC 17 – 18 V ()

Check emergency trip button operates circuit-breaker ()

Final Checks ()

Check correct CT and interposing CT ratios selected

Check correct ratio labels have been fitted

Check correct protection settings applied

Check relay reset

Ensure FPI CT shorting-link(s) are replaced if CTs are not used or not connected to FPI or RTU

Reconnect umbilical cable to RTU (if fitted)

Asset data form completed

Test Equipment

Make/Type Serial Number Calibration Date

Certification ()

All tests have been completed satisfactorily

Comments



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Commissioning Engineer Signature Date

The completed test form shall be left on-site in a plastic wallet and in secure location. A copy of the completed test shall be sent to the relevant ART mailbox.



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Date: 10/04/2017

Appendix A – MICOM P116

A.1 Introduction

The MiCOM P116 is a three-phase overcurrent and earth fault relay which has been designed to control, protect and monitor industrial and distribution installations. The relay can be self-powered powered from the CTs or an auxiliary voltage supply. The relay includes a built-in USB port which provides access to disturbance records, fault records, events and relay settings. Settings for the protection elements can be entered using the front panel keyboard and local display or using the MiCOM S1 or S1 Studio setting software.

A.2 Front Panel

1 – Green ‘Healthy’ LED – Watchdog

2 – Red ‘Trip’ LED - Protection Trip

3 – Yellow ‘Alarm’ LED

4 – Five red programmable LEDs

5 – 16 character by 2-lin3 alphanumeric LCD

6 – Clear key

7 – Read key (jump to RECORDS column)

8 – Arrow keys and enter key

9 – Electromechanical flag indicators

10 – Circuit-breaker Close

11 – Circuit-breaker Open

12 – USB port for local connection

A.3 Relay Front Panel Navigation

An overview of the relay front panel is shown in Section A.2. The arrow buttons can be used to move left, right, up, down respectively to navigate from one menu to the another in turn to access information such as protection settings, fault records, etc. The OK button is used as an enter key.

The main menu structures are shown Section A.5 and should be self-explanatory when used in conjunction with the arrow buttons. When the P116 relay is energised the screen display will show the three-phase and neutral current values on the LCD display screen, which is the starting point for navigating to the various sub menus within the relay.

© UK Power Networks 2017 All rights reserved 1


Version: 1.0

Date: 10/04/2017

A.4 Programming

The keypad has seven keys divided into two groups:

The and keys situated immediately under the screen are dedicated to reading and acknowledging alarms.

The other five keys situated below these are used for programming the relay and navigating the menu system (a map of the menu system is shown in section A.5). The

directional keys either move through the various levels of the menu or are

used to change settings. The key validates a choice or applied value. The general

menu navigation is left and right to scroll through the main menu headings. Pressing down will enter the menu selected and allow you to scroll through the various options.

For example, applying the following typical settings to a MiCOM P116 relay used with 400/1 CTs:

Test Protection SettingsApply the following temporary settings to the relay (refer to Appendix A for guidance)

()


I> 80A400/1 0.2

In Ie> 60A400/1 0.15 Ien

800/1 0.1 In 800/1 0.075

IenDelay Type DMT Delay Type DMTIDMT IEC SI IDMT IEC SITMS 1.5 TMS 1.5I>> 4.0 x In Ie>> 2.0 x IenI>>> No Ie>>> No

Note: Various settings, such as the selection of the various thresholds, time delays, trip settings etc are password protected and when accessing these menus a password entry is required. By default this is set to OOOO and will already be entered when the password

prompt appears on the LCD. To proceed past this screen press the key.

First enter the CT ratio (400/1A) into the relay:

Global Settings LOC CT Ratio Line CT primaryOK Setting Mode OK Change setting to 400A (using up/down & left/right buttons) OK OK

Moves to ‘E/Gnd CT Primary’ change setting to 400AChange setting to 400A (using up/down & left/right buttons)



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Date: 10/04/2017

Next apply the relay settings:

Overcurrent: Global Settings Setting Group 1

Protection G1Phase O/C G1 [50/51]

I>OK Change setting to 1: Trip OK

Use up or down arrows to change settingI> Threshold

OK Change setting to 0.2In OK

Use left or right buttons to move to required positionUse up or down buttons to change settingDelay Type I>

OK OK Change setting to 1: IEC SI (using up or down buttons) I> TMSOK OK Change setting to 1.5 (using up/down & left/right buttons) I>>OK OK Change setting to 1: Trip (using up/down buttons) I>> ThresholdOK OK Change setting to 4.0In (using up/down & left/right buttons) Delay Type I>>OK OK Change setting to 0: DMT (using up/down buttons) tI>>OK OKOK OK

Change setting to 3s (using up/down & left/right buttons)I>>> set to 0:disabled (using up/down buttons)set to 0:disabled (using up/down buttons)

Earth Fault:Return to Phase O/C G1 [50/51] (press 13 times) E/GND FAULT G1 [50N/51N/67N] IN_1 stageOK OK Change setting to 1: IN> Trip (using up/down buttons) IN_1 ThresholdOK OK Change setting to 0.15 Ien (using up/down & left/right

buttons) Delay Type IN_1OK OK Change setting to 1: IEC SI (using up/down buttons) IN_1 TMSOK OK Change setting to 1.5 (using up/down & left/right buttons) IN_2 stageOK OK Change setting to 1: IN>> Trip (using up/down buttons) IN_2 ThresholdOK OK Change setting to 2.0 Ien (using up/down & left/right

buttons) tIN_2OK OK Change setting to 3s (using up/down & left/right buttons)

Output Relays:Return to PROTECTION G1(press 10 times) OUTPUT RELAYS configuration G1 Protect TF654321



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OK Change setting to configure output relays required for tripping

TF65432110000011 (using up/down & left/right buttons) to change

each digit position to a 1 or 0, press once complete.

Press button three times to go back to main screen.

If further earth fault settings are required they should be implemented using the IN_3 menu. If not required, ensure this is not enabled by setting them to 0:Disabled. From main screen press right button () 3 times, down button () 2 times, right button () 2

times, press down button () 10 times, press use up/down buttons to change to

0:Disabled, press once complete. Press button four times to go back to main screen.

Main Screen



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A.5 P116 Menu Structure Diagrams

For ease of reference the following menu structures go from the main LCD display through to the setting group 1 menu where the protection settings are stored. All other menu structures are detailed in the P116 relay manual (available from Alfresco > Reference Library > Schneider).


Start here


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Appendix B – Schematic Diagrams



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ECP 11-0512i Schneider RN6c with MICOM P116...

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