DigitalLineProtection GE Dlpd

7/29/2019 DigitalLineProtection GE Dlpd

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1

Industrial Systems

Digital Line Protection System

Microprocessor Based Protection,Control and Monitoring System

Waveform Sampling

Proven Protection

Economical

Ease of Retrofit


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2

Industrial Systems

DLP-D Enhancements

MODEL DLP3512CDH

Ratings:

In 5 AMPS

Vn 120 Vac

Freq 60 Hz

GEK 99300

GREEN: PROTECTION ON

RED: CHECK STATUSg Digital Line Protection

GE PROTECTION AND CONTROL

Malvern, PA

COMM

TRIP AC Z 1 50

01Power

ON

OFF

SET 1/Y 2 3/N CLR

INF 4 5 6

ACT 7 8 9

END PRT 0 ENT.

ASCII SUBSET

Three Phase

& Single Phase

Tripping

Continuous Monitor

Alarm 2 Shot Recloser

Optional

DLP-C

Repackaged

Unbalance

Alarm

Detection

New Packaging

3 RU High

Horizontal or Vertical

SCADA

Involved Phases

Indication

Standard

Carrier Start

Options

Proven

Design


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3

Industrial Systems

Overview of DLP Operation

Multiple Microprocessors (3)

Sampling Rate = 16/Cycle

ANALOG

TO

DIGITAL

CONVERTER

SETTINGSMMI

PHASOR

QUANTITIES

EMULATION OF:

PHASE ANGLE

COMPARATORS,

AMPLITUDE

COMPARATORS,ETC.

MicroPs

&

EPROMS

RECURSIVE

FOURIER

TRANSFORM

MEASURING

FUNCTIONS

LOGIC

DISPLAY

RS232

OUTPUTS

I

V


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4

Industrial Systems

DLP Application For Three Phase or Single

Phase Tripping on anyUncompensatedTransmission Line

Typical Operating Times are3/4 to 1-1/2 Cycle

6 Protection Schemes Step Distance

Directional ComparisonBlocking

POTT

PUTT

Hybrid

Zone 1 Extension

G


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Industrial Systems

DLP Operating Times SCR Tripping Times

PT Potential Source

0.01 0.1 1 10

IZ-V

(Per Unit Volts)

Mil

liseconds

10

20

30

40

50

Minimum

Maximum


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Industrial Systems

DLP Operating Times SCR Tripping Times

CVT Potential Source

0.01 0.1 1 10

IZ-V

(Per Unit Volts)

Mil

liseconds

10

20

30

40

50

Maximum

Minimum


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Industrial Systems

Settings: Scheme Selection

STEP

POTT

PUTT

HYBRID

BLOCKING (BLK1, BLK2, BLK3)

ZONE 1 EXTENSION

Zone 2 Ground MeasuringUnit Selection Distance

Directional Overcurrent

Distance + Directional O/C


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Industrial Systems

Measuring FunctionsDISTANCE

Phase Ground

Zone 1 MHO MHO-or-REACTANCE

Zone 2 MHO MHO

(Pilot Zone)

Zone 3 MHO MHO

Zone 4 MHO* MHO

(Reversible/Blocking)

*Settable Offset


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Industrial Systems

Measuring FunctionsOVERCURRENT

(3|I0| - KT|I1|) IPT - Pilot Trip

(3|I0| - KB|I1|) IPB - Pilot Block

IT - Trip SupervisionIB - Block Supervision

FD - Fault Detector

(3|I0| - KD|I1|) IDT - Inst. Direct Trip (Directional Control)

(3|I0|) GTOC - Time Overcurrent (Directional Control)

DIRECTIONAL

NT - Trip

NB - Block


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Industrial Systems

Ground TOC Curves

?

Custom Ground TOC Curves

From Several Sources Curves generated by GEs TOC curve

editor

Any curve from GEs TOC curvedatabase

The Existing Library of ASPENRelayEditorTM curves

Any custom curve designed withASPEN RelayEditorTM

Inverse

Custom

Extremely

Inverse

Definite

Time

Very Inverse


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Industrial Systems

Additional Protective Relay Features Out-of-Step Blocking

PT Fuse Failure

Line Pickup (Close Into Fault)

Remote Open Detector Line Overload

Adaptive Reach(Zone 1 Ground Reactance - Supervising MHO)

Current Unbalance Alarm

Continuous Monitor Alarm Detects Internal RelayChanges if FD is Not Picked Up

Carrier Start Options for Improved Coordination inBlocking Schemes with Other Relays.

Trip Bus Check when Settings are Changed


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Industrial Systems

Recloser (Optional)

Single breaker reclosing

Programmable up to 2 reclose attempts

Manual Lockout Panel Switch Additional Inputs

Reclose Initiate, Reclose Inhibit, Reclose Cancel, Reclose Reset

Additional Outputs

Zone 1 Reach Reset, Lockout Alarm, Reclose in Progress


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Industrial Systems

Inputs - Single Phase ModelsIA, IB, IC

VAG, VBG, VCG

RI-1P

RI-3P

Receiver 1 Output ContactReceiver 2 Output Contact*

Stop Carrier*

Block Pilot Tripping*

(3) 52/b Contacts (w/ Recloser)

(3) 52/b Contacts (w/o Recloser)

Reclose Inhibit

Reclose Cancel

Reclose Reset

3 Pole Trip Enable

* Configurable Inputs


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Industrial Systems

Inputs - Three Phase ModelsIA, IB, IC

VAG, VBG, VCG

(6) Digital Inputs (Contact Converters)

(2) 52/b Contacts

Receiver 1 Output ContactReceiver 2 Output Contact*

Stop Carrier*

Block Pilot Tripping*

RI**

Reclose Inhibit**

Reclose Cancel**

Reclose Reset**

* Configurable Inputs

** Inputs for Recloser


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Industrial Systems

Configurable Inputs(1701)

CONCCI CC4 CC5 CC6

0 RECEIVER 2 SELECT GROUP BIT 1 SELECT GROUP BIT 0

1 EXTERNAL TRIGGER SELECT GROUP BIT 1 SELECT GROUP BIT 0

2 CONFIG. INPUT 1 SELECT GROUP BIT 1 SELECT GROUP BIT 0

3 RECEIVER 2 STOP CARRIER BLOCK PILOT TRIP

4 EXTERNAL TRIGGER STOP CARRIER BLOCK PILOT TRIP

5 CONFIG. INPUT 1 STOP CARRIER BLOCK PILOT TRIP

6 RECEIVER 2 CONFIG. INPUT 2 CONFIG. INPUT 3

7 EXTERNAL TRIGGER CONFIG. INPUT 2 CONFIG. INPUT 3

8 CONFIG. INPUT 1 CONFIG. INPUT 2 CONFIG. INPUT 3

USER

INPUT

DEFAULT

SELECT

SETTINGSGROUP


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Industrial Systems

Configurable Inputs / Adaptive Settings

Settings

CC5 CC6 Group

0 0 G1

0 1 G21 0 G3

1 1 G4

SETTINGS GROUP

G1

G2

G3

G4

SETTINGS GROUP SWITCH 16SB1______

CONTACT NUMBER G4 G3 G2 G1

1 X X

23 X X

4

1 2

3 4

CC5 (bit 1)+-

SG

1

CC6(bit 0)

+

-

SG

3


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Industrial Systems

Outputs - Single Phase ModelsDEDICATED

Trip (SCR or Contact, 2 per phase)..... 6

BFI (2 per phase)................................... 6

RI-1P...................................................... 2

Transmitter Key.................................... 2

Zone 1 Extension Reset....................... 1

3 Pole Trip Enable................................ 1

Reclose in Progress............................. 1

Alarm (Pwr Supply/Critical)................. 1

SCADA.................................................. 5

CONFIGURABLERI-3P (Configurable as pair)................ 2

BKR Close

(Independent - Except Reclosing)...... 2

Line Overload....................................... 1

Non-Critical Alarm................................ 1

Reclose Cancel..................................... 1


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Industrial Systems

Outputs - Three Phase ModelsDEDICATED

Trip (SCR or Contact)........................... 2

BFI.......................................................... 2

Transmitter Key.................................... 2

Alarm (Pwr Supply/Critical)................. 1

SCADA................................................... 5

Reclose in Progress

(recloser models only)......................... 1

Lockout Alarm & Reach Reset

(recloser models only)......................... 2

CONFIGURABLERI............................................................ 2

BKR Close (Independent).................... 2

Line Overload....................................... 1

Non-Critical Alarm................................ 1

Reclose Cancel..................................... 1


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Industrial Systems

Configurable OutputsEXAMPLE:

Configure the BC-1 Output to Close when Zone 1 BG, GRD DIRTRIP, and CONF. INPUT 1 are ON and CONF. INPUT 3 is OFF.

(1801) CONOUT 1 = 2 (AND gate)

(1802) CO1 IN1 = 2 (Z1BG)

(1803) CO1 IN2 = 35 (GRD DIR TRIP)

(1804) CO1 IN3 = 50 (CONF. INPUT 1)

(1805) CO1 IN4 = 152 (NOT of CONF. INPUT 3)

(1806) CO1 IN5 = 0

. .

. .

(1809) CO1 IN8 = 0


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Industrial Systems

SCADA Digital to Analog Interface Provides Analog Output Proportional to Distance to

Fault Location in 0 to 1mA DC or 0 to 5 Vdc Output(Selectable)

Four (4) Contact Outputs Provide Fault Type

Example:

A

B

C

G

Phase A to

Neutral Fault

Indication


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Industrial Systems

Target (Current Actuated)

Fault Location Algorithm = Lumped Parameter Differential Equation Solution

Uses Phasor Quantities (Output of Fourier Algorithm) as Inputs

Eliminates the Effect of Fault Resistance

TRIP AB Z1 44


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Industrial Systems

Present Value Reporting

Voltages

Watts

Phase Angles

Currents

Vars

Breaker Status

Automatically Displayed and UpdatedIn Four Second Intervals on LED Display


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23

Industrial Systems

Communications Local MMI (Standard)

2 Level Password Protection

MASTER

SETTINGS

16 LED Alphanumeric Display

Keypad with 20 Keys

Separate Function Keys for

Settings

Action

Information

Alarms

Status LED


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Industrial Systems

Communications Remote Access

Via RS232 & DLP-LINKSoftware

Front and Rear RS232 Ports

3 Level Password Protection

Access to: Present Values

Fault Report

Sequence of Events

Oscillography

Manual Breaker Control

Relay Settings

Local Functions Setup Help

[ - ] DLP COMMUNICATIONS 2.80

Logout

Change access level

Hang up phone

Actions . . .

Information . . .Settings . . .

Relay Functions

Login

Phone disconnected


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Industrial Systems

Remote Access - Rear ASCII Port

ASCII PORT HELP SCREEN

STATION: MALVERN

LINE: LINE 1UNIT ID: 0

DATE: 08/24/96

TIME: 10:57:51

STATUS - Request DLP Status

VALUES - Request Present Values

MODEL - Request PROM and MODEL numbers

EVENTS - Request event report

SHOWSET - Request setting group information

STLINID - Request station and line ID

FAULT - Request fault reportFSTATUS - Request status of all faults

LOGIN - Login request

LOGOUT - Logout request

STATION: MALVERN

LINE: LINE 1

UNIT ID: 0DATE: 08/24/96

TIME: 10:57:51

MODEL NUMBER: DLP3512CDH

PROM VERSION NUMBER: V002.320B

INFORMATION ONLY


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Industrial Systems

Fault Report

Prefault Currents

Voltages

Post Fault Currents Voltages

Trip Targets

Operating Time

Selected Events

Sample DLP 5512

FAULT REPORT

Station ID: PLACE TRANSMISSION

Line ID: CREEK 115KV OCB 5512

TRIP DATE: 09/11/95 TRIP TIME: 15:16:10.295

FAULT TYPE: AB DISTANCE: **** MILES

TRIP TYPE: Z4 OPERATING TIME: 01496

PREFAULT FAULT

Ia: 038.40 A Ia: 057.60 A

Ib: 028.80 A Ib: 048.00 A

Ic: 057.60 A Ic: 050.40 AIn: 007.20 A In: 014.40 A

Va: 066.0 KV

Vb: 066.0 KV

Vc: 066.1 KV

15:16:10.295 TRIP SIGNALS ON

15:16:12.119 TRIP SIGNALS RESET

15:16:12.119 TRIP CIRCUIT #1 NOT ENERGIZED


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Industrial Systems

Present Values

Currents

Voltages

Angles

Watts

Vars

Breaker Status

Carrier Status

Active Setting Group

Sample DLP 5072

PRESENT VALUES

Station ID: CREEK TRANSMISSIONLine ID: 115KV OCB

09/18/95 14:23:44.455

IA: 001.16 A -001 DEGS VA: 066.3 V 000 DEGS

IB: 001.26 A 119 DEGS VB: 066.3 V 121 DEGS

IC: 001.26 A -119 DEGS VC: 066.3 V -119 DEGS

IN: 000.03 A **** DEGS

WATTS: 056.6 MW VARS: 003.1 MVAR

BREAKER 1: CLOSED BREAKER 2: N/A

PLC #1 SIGNAL: OFF PLC #2 SIGNAL: OFF

PLC #1 STATUS: N/A PLC #2 STATUS: N/A

STOP CARRIER: OFF SETTING GROUP NUMBER: 1

BLOCK PILOT TRIP: OFF


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Industrial Systems

Sequence of Events

Operational Events Setting Changes

Fault Data

Status

Diagnostic Self-Test Events

Warning (Non-Critical Alarm)

Failure (Critical Alarm)

Time Tagged to 1msResolution

Last 100 Events Stored

Sample DLP 5072

Events

Station ID: CREEK TRANSMISSION

Line ID: 115KV OCB

07/25/95 19:06:21.121 TRIP SIGNALS RESET

07/25/95 19:06:21.121 TRIP CIRCUIT #1 NOT ENERGIZED

07/25/95 19:06:21.048 TRIP SIGNALS ON07/25/95 19:06:21.038 OSC TRIGGER

05/31/95 12:16:42.091 TRIP CIRCUIT #1 MONITOR ALARM ON

05/31/95 12:16:41.915 TRIP CIRCUIT #1 MONITOR ALARM ON

05/31/95 12:16:41.879 REMOTE COMM - SETTINGS CHANGE DONE

05/31/95 12:16:30.720 REMOTE COMM - SETTINGS CHANGE STARTED

05/31/95 12:13:48.392 REMOTE COMM - PASSWORD CHANGED

05/31/95 12:11:53.383 REMOTE COMM - PASSWORD CHANGED

05/31/95 12:10:37.847 UNBALANCED SYSTEM DETECTION ALARM ON

05/31/95 12:10:29.930 REMOTE COMM - PASSWORD CHANGED05/31/95 12:09:35.302 FUSE FAILURE ALARM ON

05/31/95 12:09:35.175 LOCAL - SETTINGS CHANGE DONE

05/31/95 12:09:30.826 LOCAL - SETTINGS CHANGE STARTED

05/31/95 12:07:22.109 UNBALANCED SYSTEM DETECTION ALARM ON

05/31/95 12:06:00.042 FUSE FAILURE ALARM ON

05/31/95 12:06:00.000 SSP BOARD: QUEUES REINITIALIZED

05/31/95 12:05:30.210 FAIL - TRIP BUS CHECK

05/31/95 12:05:30.177 FUSE FAILURE ALARM ON


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Industrial Systems

Oscillography Triggers

None

Fault Detector

Any Zone 2

Any Zone 3

Any Zone 4

Out-of-Step

V1 Detector

External Contact Input


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Industrial Systems

Flexible Oscillography Data Storage

# Faults Stored Cycles

2 72

4 367 18

14 9

Pre-fault Cycles Selectable from 1 to 8

Settings and Fault Report are stored withOscillography Data


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Industrial Systems

Oscillography Data

Internal and ExternalOscillography Triggering

ASCII File Format(Readable byEXCEL/LOTUS/DL-DATA)

For Each Sample4 Currents (IA, IB, IC, IN)

3 Voltages (VA, VB, VC)

6 Flag Groups

Digital Inputs

Outputs

Phase Zone Flags

Breaker Status and Gnd. Zone Flags

Protection Logical Input Flags

Output Status of Protection Timers


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Industrial Systems

d i l S


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Industrial Systems

Hardware and Packaging Draw-Out Modular Construction with Removable Door

Front Panel Power Switch

Information Access MMI

RS232 Front & Rear (GE Modem) RS232 Rear (ASCII)

Target Clearing Through Door

Optional Mounting Flanges for L2 and KD cutouts andMoveable Mounting Brackets

Self-Test Diagnostics Critical Alarm

Non-Critical Alarm

I d i l S


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Industrial Systems

Hardware and Packaging Magnetics are easily accessible, but not part of Drawout

Assembly Improves reliably by eliminating CT shorting bars

I d t i l S t


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Industrial Systems

Nomenclature Selection GuideDLP * * * * * * *1 1 AMP Rated

5 5 AMP Rated

0 48 Vdc Battery Voltage

1 110/125 Vdc Battery Voltage

2 220/250 Vdc Battery Voltage

1 SCR Tripping Output

2 Relay Tripping Output

3 C Three Phase Tripping, Without Recloser

1 J Single Phase Tripping, Without Recloser

1 K Single Phase Tripping, With Recloser

3 K Three Phase Tripping, With Recloser

D Revision Level

H Horizontal Mounting

V Vertical Mounting

Documents

DigitalLineProtection GE Dlpd