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DIAC Type 66K Digital Overcurrent Relay

GE Power Management

7 SPECIFICATIONS

GEK-106621

7.2 RATINGS

FREQUENCY

System Frequency

50/60 Hz

CURRENT (1A

5A MODELS)

TRANSIENT OVERREACH

Maximum Transient Overreach

CONTACT RATINGS

7.3 ENVIRONMENTAL

AMBIENT TEMPERATURE

Storage:

–40 to +85°C

Operation:

–25 to +70°C

Humidity:

Up to 95% without condensing

INSULATION WITHSTAND TESTS

Impulse Voltage:

5 KV peak, 1.2/50

s, 0.5 Joules per

IEC255-5, Class III

SURGE WITHSTAND CAPABILITY

Fast Transient:

Per ANSI C37.90.2-1989
Per IEC 60255-22-4

Oscillatory:

Per ANSI C37.90.1-1989
Per IEC 255-4

RADIO FREQUENCY WITHSTAND

25 MHz to 1 GHz, keyed every 1 MHz for 2 seconds

Per ANSI C37.90.2

Per IEC 60255-22-3

ELECTROSTATIC DISCHARGE

Per IEC 60255-22-2

NOTE: The DIAC Type 66K relay must be powered up at least once per year to avoid deterioration of

electrolytic capacitors and subsequent relay failiure.

Table 7–2: MAXIMUM PERMISSIBLE CURRENT

1 A MODEL

5 A MODEL

Continuous

3 A

15 A

3 seconds

50 A

250 A

1 second

100 A

500 A

Table 7–3: OPERATING CURRENT RANGE

1 A MODEL

5 A MODEL

minimum

0.095 A

0.475 A

T (constant)

1520

38000

Table 7–4: MAXIMUM PERMISSIBLE CURRENT

Voltage

Cont.

Make &
Carry 1

sec

Break

Max.

Load

resistive

125V
250V

10A

30A

0.5 A
0.3 A

60 W

inductive

L/R=40 ms

125V
250V
370V

10 A

30A

0.25 A
0.15 A
0.05 A

50 V

Содержание DIAC 66K

Страница 1: ...DV130 A03 Manual P N GEK 106261C Copyright 2000 GE Power Management GE Power Management 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 294 8512 Internet http www GEindustrial com pm Manufactured under an ISO9002 Registered system g GE Power Management ...

Страница 2: ......

Страница 3: ...hould further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purpose the matter should be referred to the General Electric Company To the extent required the products described herein meet applicable ANSI IEEE and NEMA standards but no such assurance is given with respect to local codes and ordinances because they vary greatly ...

Страница 4: ......

Страница 5: ...D STORAGE 4 3 4 10 TARGET AND SEAL IN UNIT 4 3 5 INSTALLATION 5 1 ENVIRONMENT 5 1 5 2 MOUNTING 5 1 5 3 SURGE GROUND 5 1 5 4 INTERNAL EXTERNAL CONNECTIONS 5 2 5 5 PANEL MOUNTING AND DRILLING 5 5 5 6 MOTOR PROTECTION CHARACTERISTIC CURVE 5 6 6 ACCEPTANCE PERIODIC TESTS 6 1 DESCRIPTION 6 1 6 2 VISUAL INSPECTION 6 1 6 3 MECHANICAL INSPECTION 6 1 6 4 DRAWOUT RELAYS GENERAL 6 1 6 5 TOC ALARM UNIT 6 2 a ...

Страница 6: ...ii DIAC Type 66K Digital Overcurrent Relay GE Power Management TABLE OF CONTENTS 7 SPECIFICATIONS 7 1 BURDENS 7 1 7 2 RATINGS 7 2 7 3 ENVIRONMENTAL 7 2 ...

Страница 7: ...al Overcurrent Relay includes the following features Digital single Phase overcurrent protection General purpose feeder protection 50 51 applications Motor Protection Self powered 9 Selectable curves Reset curve enable disable Low Burden Fully Retrofittable Functional separate TOC IOC TOC alarm Standard EM IOC operations Wide settings range Drawout case construction The 66LT curve is used by this ...

Страница 8: ...larm output max current to 1 A 1 standard hi set IOC EM dual range target relay 2 to 16 A time dial 0 1 to 9 9 sec 50 60 Hz with instantaneous or timed reset plus IOC delay Duplicates the IAC 66K function C Same as B except one 1 standard hi set dual range target relay unit 10 to 80 A D Same as B except one 1 standard hi set dual range target relay unit 20 to 160 A Current Rating 1 1 Amp Nominal C...

Страница 9: ...ACTERISTIC CURVE on page 5 6 with the normal EM dropout instantaneous unit 50 A set above locked rotor current The TOC reset characteristics can emulate those of an induction disk or set for fast reset with no intentional delay The time overcurrent unit must coordinate with the motor thermal limit Typical settings to accomplish this are listed in the table below The user must determine the specifi...

Страница 10: ...the 1 and 5 A units Numbered curves 55 57 66 75 and 95 match the shape of the respective IAC model however the time dial positions are not one to one equivalents The IEC IEEE and I2 t curves are based on the equations listed with the corresponding curves on pages 2 11 to 2 18 The I2 t curve has a K value equal to the time dial times 250 The minimum value of K is 25 0 1 250 and the maximum value is...

Страница 11: ...Figure 2 1 IAC51 TOC CURVE 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 1 2 3 4 5 6 6 7 1 2 3 4 5 6 6 7 10 2 3 4 5 6 6 7 100 RESET OPERATE 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting Time in Seconds TIME DIAL SETTINGS 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays ...

Страница 12: ... 2 IAC53 TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 4 5 6 0 1 2 3 4 4 5 6 1 2 3 4 4 5 6 10 2 3 4 4 5 6 100 2 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting TIME DIAL SETTINGS Time in Seconds 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays ...

Страница 13: ... 2 3 55 SHORT TIME TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 5 6 6 7 0 1 2 3 4 5 6 6 7 1 2 3 4 5 6 6 7 10 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays Time in Seconds TIME DIAL SETTINGS ...

Страница 14: ... 2 Figure 2 4 57 MEDIUM TIME TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 1 2 3 4 5 6 6 7 1 2 3 4 5 6 6 7 10 2 3 4 5 6 6 7 100 RESET OPERATE 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays TIME DIAL SETTINGS ...

Страница 15: ...66 LONG TIME TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 1 2 3 4 5 5 6 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 2 3 4 5 5 6 1000 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting Time in Seconds 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays TIME DIAL SETTINGS ...

Страница 16: ...75 SHORT TIME TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 5 5 6 0 1 2 3 4 5 5 6 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting Time in Seconds TIME DIAL SETTINGS 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays ...

Страница 17: ... 7 IAC77 TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 4 5 6 0 1 2 3 4 4 5 6 1 2 3 4 4 5 6 10 2 3 4 4 5 6 100 2 RESET OPERATE 0 5 1 2 3 4 5 6 7 9 9 9 8 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays TIME DIAL SETTINGS Time in Seconds ...

Страница 18: ...95 SHORT TIME TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 5 5 6 0 1 2 3 4 5 5 6 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays Time in Seconds TIME DIAL SETTINGS ...

Страница 19: ...NVERSE TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 5 5 6 0 1 2 3 4 5 5 6 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 RESET OPERATE 3 2 1 0 5 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays Time in Seconds TIME DIAL SETTINGS t TD 0 97 M 2 1 t TD 0 014 M 0 02 1 ...

Страница 20: ...ERY INVERSE TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 4 5 6 0 1 2 3 4 4 5 6 1 2 3 4 4 5 6 10 2 3 4 4 5 6 100 2 RESET OPERATE 0 5 1 2 3 4 5 6 9 9 7 8 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays Time in Seconds TIME DIAL SETTINGS t TD 4 32 M 2 1 t TD 1 35 M 1 ...

Страница 21: ...EMELY INVERSE TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 4 5 6 0 1 2 3 4 4 5 6 1 2 3 4 4 5 6 10 2 3 4 4 5 6 100 2 RESET OPERATE 0 5 9 9 9 8 7 6 5 4 3 2 1 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays Time in Seconds TIME DIAL SETTINGS t TD 5 82 M 2 1 t TD 8 0 M 2 1 ...

Страница 22: ...RSE TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 5 5 6 0 1 2 3 4 5 5 6 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays Time in Seconds TIME DIAL SETTINGS t TD 0 97 M 2 1 t TD 0 013 M 0 02 1 0 0228 ...

Страница 23: ...NVERSE TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 4 5 6 0 1 2 3 4 4 5 6 1 2 3 4 4 5 6 10 2 3 4 4 5 6 100 2 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays TIME DIAL SETTINGS Time in Seconds t TD 4 32 M 2 1 t TD 3 922 M 2 1 0 0982 ...

Страница 24: ...Y INVERSE TOC CURVES 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 01 2 3 4 4 5 6 0 1 2 3 4 4 5 6 1 2 3 4 4 5 6 10 2 3 4 4 5 6 100 2 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays TIME DIAL SETTINGS Time in Seconds t TD 5 82 M 2 1 t TD 5 64 M 2 1 0 02434 ...

Страница 25: ... 2 15 DEFINITE TIME 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 3 4 5 5 6 7 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 7 10 2 3 4 5 5 6 7 100 RESET OPERATE 0 5 1 2 4 5 6 7 8 9 9 9 3 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays TIME DIAL SETTINGS Time in Seconds ...

Страница 26: ...2 16 I2 T TIME CURVE 0 1 2 3 4 5 5 6 7 1 2 3 4 5 5 6 10 2 3 4 5 5 6 100 0 1 2 3 4 4 5 1 2 3 4 4 5 10 2 3 4 4 5 100 2 3 4 4 5 1000 2 3 RESET OPERATE 0 5 1 2 3 4 5 6 7 8 9 9 9 Multiples of Pickup Setting 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays TIME DIAL SETTINGS Time in Seconds t TD 250 M 2 1 t TD 250 M 2 ...

Страница 27: ...CT DESCRIPTION 2 Figure 2 17 IOC CURVE FOR THE HDO INSTANTANEOUS UNIT Figure 2 18 STANDARD EM INSTANTANEOUS UNIT Multples of Pickup Setting 20 30 40 50 60 70 80 90 100 1 2 3 4 5 6 7 8 9 10 1 5 1 1 Time in Milliseconds 0 1 to 3 18 A 1 Amp Relays Current Range 0 5 to 15 9 A 5 Amp Relays ...

Страница 28: ...2 20 DIAC Type 66K Digital Overcurrent Relay GE Power Management 2 PRODUCT DESCRIPTION GEK 106261 2 Figure 2 19 IOC CURVE FOR THE STANDARD EM INSTANTANEOUS UNIT ...

Страница 29: ...he time dial can be set from 0 5 to 9 9 in 0 1 increments on both the 5 amp model and the 1 amp model The only exception is for the Definite Time and I2 T curves where 0 1 is the minimum value The IOC function is settable from 1 to 159 amps in 1 amp increments for the 5 amp model and 0 2 to 31 8 amps in increments of 0 2 amps for the 1 amp model Setting the pickup to 0 disables the IOC element Bot...

Страница 30: ...3 2 DIAC Type 66K Digital Overcurrent Relay GE Power Management 3 CALCULATION OF SETTINGS GEK 106261 3 ...

Страница 31: ...olor of the indicator note the arrow location all switches are shown in the 9 00 position Figure 4 1 DIAC 66K POINTER STYLES The TOC pickup current is set directly in Amps with two rotary switches An arrow is used to indicate setting position Setting the TOC or the IOC pickup current between but not including 0 and a value less than mini mum 0 5 5amp or 0 1 1Amp will result in the relay defaulting...

Страница 32: ...ckup setting for both the 1amp and 5 amp models A blinking LED indicates the microprocessor is executing code and outputting signals The relay uses a target and seal in unit as its TOC IOC tripping element And the relay uses one target for the high set standard IOC unit The targets are mechanically latched when the function trips The TOC IOC con tacts will remain closed until the trip circuit curr...

Страница 33: ...in the correct position 4 9 RECEIVING HANDLING AND STORAGE Immediately upon receipt the relay should be unpacked and examined for any damage sustained during ship ment If damage occurred during shipment a damage claim should be filed at once with the transportation com pany and the nearest GE sales office should be notified If the relay is not installed immediately it should be stored in its origi...

Страница 34: ... DIAC Type 66K Digital Overcurrent Relay GE Power Management 4 HARDWARE DESCRIPTION GEK 106621 4 Figure 4 2 OPERATING COIL TAPPED AT 2A FACTORY DEFAULT 0 2 A SETTING 2 A SETTING 0 2 A SETTING 0 2 A SETTING ...

Страница 35: ...ides accessibility to both the front and rear of the unit The outline and panel drilling dimensions are provided in Figure 5 4 DIAC PANEL MOUNTING AND DRILLING on page 5 5 5 3 SURGE GROUND The relay should be grounded to the station ground mat with a 12 AWG braided ground lead connected to ter minal 4 If the relay is to be retrofitted in a panel terminal 4 should be removed from the new case and i...

Страница 36: ...5 2 DIAC Type 66K Digital Overcurrent Relay GE Power Management 5 INSTALLATION GEK 106261 5 5 4 INTERNAL EXTERNAL CONNECTIONS Figure 5 1 DIAC TYPE 66K INTERNAL EXTERNAL CONNECTIONS ...

Страница 37: ...C TYPE 66K INTERNAL CONNECTIONS DIAGRAM FOR REFERENCE 1 6 5 4 2 9 10 C D A B 6A INSULATED STAND OFF INSTANTANEOUS UNIT INDUCTION UNIT SEAL IN UNIT SHORT FINGER NOTE Instantaneous unit connections are for range operation For high range operation connect B and D to terminal no 6 and A and C to terminal no 4 ...

Страница 38: ...5 4 DIAC Type 66K Digital Overcurrent Relay GE Power Management 5 INSTALLATION GEK 106261 5 Figure 5 3 TYPICAL EXTERNAL CONNNECTIONS FOR MOTOR PROTECTION ...

Страница 39: ...TG SCREWS 218 2 HOLES 1 468 37MM 133MM 12MM 3 4 DRILL 10 HOLES 5MM 224MM 56MM 112MM 168MM 29MM 19MM 157MM 9 125 232MM 4 406 112MM 3 906 99MM 76MM 1 125 144MM BACK VIEW C L L C L C 15MM 19MM MTG MTG SEMI FLUSH SURFACE 2 5 16 18 STUDS FOR SURFACE MTG 10 32 STUDS 8 375 212MM 76MM VIEW SHOWING ASSEMBLY OF HARDWARE FOR SURFACE MTG ON STEEL PANELS PANEL DRILLING FOR SEMI FLUSH MOUNTING FRONT VIEW 5 16 1...

Страница 40: ...5 6 DIAC Type 66K Digital Overcurrent Relay GE Power Management 5 INSTALLATION GEK 106261 5 5 6 MOTOR PROTECTION CHARACTERISTIC CURVE Figure 5 5 MOTOR PROTECTION CHARACTERISTIC CURVE ...

Страница 41: ...2 Make sure that the fingers and shorting bars agree with the internal connections diagram CAUTION Every circuit in the drawout case has an auxiliary brush It is especially important on cur rent circuits and other circuits with shorting bars that auxiliary brush be bent high enough to engage 6 4 DRAWOUT RELAYS GENERAL Since all drawout relays in service operate in their cases it is recommended tha...

Страница 42: ...ase set it not to blink Reduce the current applied verifying that at a value between 95 and 100 of the pickup TOC the relay Pickup LED turns off or blinks if set to blink Figure 6 1 TOC ALARM UNIT TEST SETUP b VERIFICATION OF OPERATING TIME Because the Digital self powered series of relays has many different curve characteristics the basic test instruction will be given and the data for each of th...

Страница 43: ...power up and pickup please set it not to blink Reduce the current applied verifying that at a value between 95 and 100 of the pickup TOC the relay Pickup LED turns off or blinks if set to blink Table 6 1 PICKUP TIMES FOR VARYING MULTIPLES OF PICKUP MPU CURVE PICKUP TIMES IN SECONDS 2 MPU 5 MPU 10 MPU IAC 51 3 62 to 4 05 1 69 to 1 86 1 19 to 1 32 IAC 53 6 66 to 7 36 1 25 to 1 37 0 687 to 0 759 55 S...

Страница 44: ...o the lowest setting not including zero This allows the TOC function to operate without coordinating with the Instanta neous HDO unit Successively apply currents of 2 5 and 10 times pickup TOC verifying that the operating times are within the margins indicated in Table 6 1 PICKUP TIMES FOR VARYING MULTIPLES OF PICKUP MPU on page 6 3 6 7 TOC INSTANTANEOUS HDO UNIT DEFINITE TIME For the Definite Tim...

Страница 45: ...ce angle A graph of how the instantaneous unit varies as a function of input current is provided for refer ence in Figure 2 17 IOC CURVE FOR THE HDO INSTANTANEOUS UNIT on page 2 19 Table 6 2 PICKUP TIMES FOR VARYING TIME DIALS CURVE PICKUP TIMES IN SECONDS FOR TIME DIAL SETTINGS 10 7 3 1 IAC 51 3 62 to 4 05 2 42 to 2 69 0 996 to 1 106 0 372 to 0 413 IAC 53 2 73 to 3 03 1 78 to 1 98 0 742 to 0 824 ...

Страница 46: ...ANEOUS UNIT TEST SETUP Table 6 3 PICKUP TIMES FOR VARYING TIME DIALS RANGE SUB RANGE SERIES OR PARALLEL RATINGS CONTINUOUS 1 SECOND 0 5 to 4 0 0 5 to 2 0 SERIES 0 75 25 0 1 0 to 4 0 PARALLEL 1 5 50 0 2 0 to 16 0 2 0 to 8 0 SERIES 3 0 130 0 4 0 to 16 0 PARALLEL 6 0 260 0 10 0 to 80 0 10 0 to 40 0 SERIES 15 0 400 0 20 0 to 80 0 PARALLEL 25 0 600 0 20 0 to 160 0 20 0 to 80 0 SERIES 25 0 600 0 40 0 to...

Страница 47: ...he relay from its case and visually inspecting the contacts for corrosion 6 11 SERVICING If the relay fails to perform as specified in this instruction manual consult the factory or call your local GE sales office Before returning the relay consult with the GE Power Management technical support It is not recommended that the relay be serviced to the component level This requires substantial invest...

Страница 48: ...6 8 DIAC Type 66K Digital Overcurrent Relay GE Power Management 6 ACCEPTANCE PERIODIC TESTS GEK 106261 6 Figure 6 4 REAR FRONT AND TOP VIEWS OF THE DIAC TYPE 66K INTERIOR ...

Страница 49: ...GE Power Management DIAC Type 66K Digital Overcurrent Relay 6 9 GEK 106261 6 ACCEPTANCE PERIODIC TESTS 6 Figure 6 5 DIAC 66K FRONT AND REAR VIEWS ...

Страница 50: ...6 10 DIAC Type 66K Digital Overcurrent Relay GE Power Management 6 ACCEPTANCE PERIODIC TESTS GEK 106261 6 ...

Страница 51: ...ent will be constant irre spective of pick up settings on both TOC and IOC units Figure 7 1 BURDEN CURVE BURDENS 0 1A 0 5 A unit 0 45 VA 1 0A 5 0 A unit 2 6 VA Table 7 1 BURDEN SETTINGS BURDEN at MINIMUM SETTING BURDEN IN Ω Z at MULTIPLES OF MINIMUM PICKUP UNIT RANGE Hz R jX Z 3x 10x 20x 100x 1A 0 1 31 8 60 28 8 29 2 41 3 45 9 36 2 32 1 24 0 768 5A 0 5 15 9 60 1 28 1 15 1 74 42 0 394 0 094 0 052 0...

Страница 52: ...90 1 1989 Per IEC 255 4 RADIO FREQUENCY WITHSTAND 25 MHz to 1 GHz keyed every 1 MHz for 2 seconds Per ANSI C37 90 2 Per IEC 60255 22 3 ELECTROSTATIC DISCHARGE Per IEC 60255 22 2 NOTE The DIAC Type 66K relay must be powered up at least once per year to avoid deterioration of electrolytic capacitors and subsequent relay failiure Table 7 2 MAXIMUM PERMISSIBLE CURRENT 1 A MODEL 5 A MODEL Continuous 3 ...

Страница 53: ...LEASE DATE ECO GEK 106261 GEK 106261A GEK 106261B SPDV130 A03 November 1 1999 GEK 106261C SPDV130 A03 November 16 2000 DIAC66K 007 Table A 2 ADDITIONS CHANGES TO DGP MANUAL GEK 106261C PAGE IN GEK 106261B ADDITION CHANGE to GEK 106261C cover Updated GE contact information and manual part number Moved warning concerning electrolytic capacitor deterioration to the SPECIFICATIONS chapter 4 4 Updated ...

Страница 54: ...A 2 DIAC Type 66K Digital Overcurrent Relay GE Power Management A 1 CHANGE NOTES APPENDIXA A ...

Страница 55: ...6 1 E ENVIRONMENT 5 1 ENVIRONMENTAL SPECIFICATIONS 7 2 EXTERNAL CONNNECTIONS FOR MOTOR PROTECTION 5 4 F FEATURES 1 1 FRONT VIEW 1 1 FRONT VIEW OF DIAC 66K 6 9 FUNCTIONAL BLOCK DIAGRAM 1 2 H HANDLING 4 3 HARDWARE DESCRIPTION 4 1 I I2T TIME CURVE 2 18 IAC51 TOC CURVE 2 3 IAC53 TOC CURVES 2 4 IAC77 TOC CURVES 2 9 IEC EXTREMELY INVERSE TOC CURVES 2 13 IEC INVERSE TOC CURVES 2 11 IEC VERY INVERSE TOC C...

Страница 56: ...AGE 4 3 SURGE GROUND 5 1 T TARGET AND SEAL IN UNIT 4 3 TARGETS 4 2 TESTS see ACCEPTANCE TESTS and PERIODIC TESTS TIME OVERCURRENT CURVES see TOC CURVES TOC INSTANTANEOUS HDO UNIT DEFINITE TIME 6 4 TOC INSTANTANEOUS HDO UNIT INVERSE TIME 6 3 TOC ALARM UNIT 6 2 TOC CURVES 55 short time 2 5 57 medium time 2 6 66 long time 2 7 75 short time 2 8 95 short time 2 10 IAC51 2 3 IAC53 2 4 IAC77 2 9 IEC extr...

Страница 57: ...GE Power Management DIAC Type 66K Digital Overcurrent Relay NOTES ...

Страница 58: ...ted Product Selector Guide A graphical tool for finding the product you are inter ested in Sales Offices A complete listing of world wide sales offices Technical Support Complete contact information is available Instruction Manuals Manuals for many products are now available online GE Product Software The latest working versions of product software Technical Drawings Many technical drawings are av...

Страница 59: ...GE Power Management DIAC Type 66K Digital Overcurrent Relay NOTES ...

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