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Technical Manual WIC1

Woodward

DOK-TD-WIC1E, Rev. L

53

7. Product-Specific Features

7.1 Assignment of terminals

The protection relay is equipped with 20 screw-type terminals, make Phoenix and 4 test sockets. The 2 different re-
lay versions are defined by the kind of terminal used:
WIC1-xP

plug-in terminals for connection of CTs and trip circuits

Terminal marking

Description

230 V

Remote trip input for auxiliary voltage 230 V AC

115 V

Remote trip input for auxiliary voltage 115 V A*

N

Remote trip input N (earth)

PE

Centre earthing point WIC1

TC+

Electric pulse pole

TC-

Electric pulse output, -pole

FI+

Flag indicator output, +pole

FI-

Flag indicator output, -pole

S1

CT measuring winding connection L1

S2

CT measuring winding connection L1

C

CT test winding connection L1

D

CT test winding connection L1

S1

CT measuring winding connection L2

S2

CT measuring winding connection L2

C

CT test winding connection L2

D

CT test winding connection L2

S1

CT measuring winding connection L3

S2

CT measuring winding connection L3

C

CT test winding connection L3

D

CT test winding connection L3

Socket L1

Connection for input test current L1

Socket L2

Connection for input test current L2

Socket L3

Connection for input test current L3

Socket N

Connection for input test current N (earth)

The terminals 230 V, 115 V, N and PE are provided as fixed terminals.

7.1.1 Earthing

For earthing the WIC connection terminal PE is used.

The measuring winding (terminals S1and S2) of the CTs must not be earthed, oth-
erwise the measurement results are distorted, ensuring in erratic behavior of the
relay. Connection D of the respective test winding can externally be connected with
terminal PE.

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Содержание WIC1 Series

Страница 1: ...WIC1 CT Powered Time Overcurrent and Earth Current Relay Original Technical Manual WIC1 Revision L...

Страница 2: ...ward reserves the right to update any portion of this publication at any time Information provided by Woodward is believed to be correct and reliable However no responsibility is assumed by Woodward u...

Страница 3: ...Technical Data Characteristics and Features 19 5 1 Protective functions 19 5 1 1 Minimal operating current and rated primary current 19 5 1 2 Phase time over current protection 20 5 1 3 Earth current...

Страница 4: ...mmissioning 45 6 6 1 Wiring checks 45 6 6 2 WIC1 adjustment 46 6 7 Functional Test 46 6 7 1 Test Currents 47 6 7 2 Switching points for the overcurrent steps 47 6 7 3 Switching points for the short ci...

Страница 5: ...on and descriptions this manual includes Text graphic and formulae do not always apply to the actual delivery scope The drawings and graphics are not true to scale We do not accept any liability for d...

Страница 6: ...not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used with the safety alert symbol indica...

Страница 7: ...als as much as possible because these do not store static electric charges as much as synthetics 3 Keep plastic vinyl and Styrofoam materials such as plastic or Styrofoam cups cup holders cigarette pa...

Страница 8: ...awing and flag indicator Order form and commissioning form OUT OF DATE PUBLICATION This publication may have been revised or updated since this copy was pro duced To verify that you have the latest re...

Страница 9: ...of the CB Parameter setting can be done in different user friendly ways By means of casting all electronic components incl the housing are safely protected against climatic and mechanic influences In...

Страница 10: ...am 3 1 2 Storage If the relay is not used directly it has to be stored in its original packing Permissible temperatures during storing are 40 C up to 85 C The storage place should be dry 3 1 3 Electro...

Страница 11: ...imensions Width x Height x Depth 125x170x40mm 3 4 Connection Diagram for WIC1 1 2 3 gn ge 1 2 3 gn ge S1 S2 C D S1 S2 C D S1 S2 C D WIC1 1 2 3 gn ge L1 L2 L3 TC TC 230V N Energiearme low energy Ausl s...

Страница 12: ...ward Technical Manual WIC1 12 DOK TD WIC1E Rev L 3 5 Connection Diagram for the Flag Indicator WI SZ Figure 3 2 Connection diagram WI SZ4 flag indicator Figure 3 3 Connection diagram WI SZ5 flag indic...

Страница 13: ...ng of tripping values is done via the integrated interface For this the user has one PC adapter and the software WIC Soft2 at hand As an alternative to the adjustment via interface it is also possible...

Страница 14: ...of the protective functions can be recorded directly at the protection relay For the basic version WIC1 1 the adjustment of protective functions can only be done via the communication inter face which...

Страница 15: ...4 2 2 WIC1 4 When compared to WIC1 1 the WIC1 4 provides an additional operator interface at its front panel The functionality is the same as for the WIC1 1 Figure 4 2 WIC1 4 Note For the operating so...

Страница 16: ...lues as well as the setting values of the WIC1 The interface for this version can be found at the left of the relay and additionally above the DIP switch block Switch block Switch No Setting parameter...

Страница 17: ...of the relay and additionally above the HEX switch block The following parameters can be set for the relay version with integrated earth fault protection function Switch Setting parameter 1 IS Rated...

Страница 18: ...made in chapter 5 9 Description of the Application Current transformer WIC1WE1AS1 WIC1WE2AS1 In case of small values of the primary currents there are special E labeled CTs available that feature a m...

Страница 19: ...28 A 0 1 A WIC1WE2AS1 16 56 A 0 2 A WIC1W2AS1 16 56 A 0 2 A WIC1W3AS1 32 112 A 0 4 A WIC1W4AS1 64 224 A 0 8 A WIC1W5AS1 128 448 A 1 6 A WIC1W6AS1 256 896 A 3 2 A only for setting via serial interface...

Страница 20: ...Fuse Time factor 0 05 to 10 in steps of 0 05 when adjusting via interface Tripping times for the definite time short circuit element tI 0 04s to 3s in the following steps when adjusting via interface...

Страница 21: ...OFF ON ON ON ON OFF OFF OFF OFF ON ON ON ON DIP 2 8 OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON ON ON ON ON ON HEX 4 0 1 2 3 4 5 6 7 8 9 A B C D E F time s 1 0 04 1 2 3 4 5 6 8 10 15 30 60 120 180 240 30...

Страница 22: ...it tIE HEX Switch 8 DIP Switch 4 5 8 DIP 4 5 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON DIP 4 6 OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON DIP 4 7 OFF OFF OFF OFF ON ON ON ON...

Страница 23: ...Settings All WIC1 relay versions are set in our works at the smallest possible setting values Is smallest possible rated current W1 8 W2 16A W3 32A W4 64A W5 128A W6 256A Characteristic Definite Time...

Страница 24: ...following trip values is guaranteed I 20 times highest rated CT current tI 40 ms The relay option WIC1 xxx W works with an additional backup protection when The watch dog of the microcontroller respo...

Страница 25: ...ro modem cable is needed The lockable opening at the housing of WIC1 and the 6 pole plug are of matching design A 9V battery is integrated in the PC adapter During reading out and writing of parameter...

Страница 26: ...t is connected This input is electrically isolated and can be loaded continuously Terminal PE is the central earthing point for the protective system Technical Data Input voltage range 230 V 15 115 V...

Страница 27: ...he individual pulses depends on the impedance of the flag indicator and the current level Puls ing is continued until the activation threshold is undershot Technical Data Energy E 0 01 Ws Voltage 24 V...

Страница 28: ...aracteristic absolutely 10 ms Earth fault element 5 of the setting value in the range of IE x IS 5 of the IS in the range of IE x IS Option only available in device types that offer earth current prot...

Страница 29: ...differential mode 2 5 kV 1 MHz DIN IEC 60255 22 1 05 91 common mode 1 kV 2 s Interference immunity against surge immunity test DIN EN 61000 6 2 03 00 4 kV 2 kV DIN EN 61000 4 5 09 96 Interference immu...

Страница 30: ...EN 60068 1 03 95 Climate category 40 085 56 Test Ad Cold DIN EN 60068 2 1 03 95 Temperature 40 C Period of stress 16 h Test Bd Dry heat DIN EN 60068 2 2 08 94 Temperature 85 C Rel humidity 50 Period o...

Страница 31: ...nominal voltages 1000 V This means for application in MV switchboards 36 kV these current transformers may only be used with insulated primary conductors for example cables with appropriate insulatio...

Страница 32: ...Woodward Technical Manual WIC1 32 DOK TD WIC1E Rev L Type WIC1W6AS1 Figure 5 4 Type WIC1W6AS1 as panel mounting Figure 5 5 Type WIC1 WxH1 as plug on type...

Страница 33: ...p setting Is I Figure 5 6 Very Inverse Multiples of pick up setting Is I 1 2 3 4 5 6 7 8 910 20 Multiples of pick up setting 0 1 1 10 100 1000 t s a 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 8 1 0 10 0 1 4 2 0 3...

Страница 34: ...3 4 5 6 7 8 910 20 Multiples of pick up setting 0 01 0 1 1 10 100 1000 10000 t s a 0 05 0 05 0 1 0 1 0 2 0 3 0 4 0 5 0 6 0 8 1 0 10 0 1 4 2 0 3 0 4 0 6 0 8 0 1 10 Multiples of pick up setting 0 01 0...

Страница 35: ...iples of pick up setting 1 2 3 4 5 6 7 8 910 20 Multiples of pick up setting 0 1 1 10 100 1000 10000 t s a 0 05 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 8 1 0 10 0 2 0 3 0 4 0 5 0 6 0 8 0 1 2 3 4 5 6 7 8 910 20...

Страница 36: ...ick up setting 1 2 3 4 5 6 7 8 910 20 Multiples of pick up setting 0 1 1 10 100 t s a 0 05 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 1 0 10 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 1 2 3 4 5 6 7 8 910 20 Multiples of pick...

Страница 37: ...ation formula for IMT characteristics Normal Inverse 0 14 0 02 1 Very Inverse 13 5 1 Extremely Inverse 80 2 1 Long time inverse 120 1 RI Inverse Time 1 0 339 0 236 HV Fuse 10 2 3 832 3 66 0 1 FR Fuse...

Страница 38: ...Coil 24V DC 10 Contact rating 230V AC 3A 230V DC 0 12A 115V DC 0 2A 24V DC 2A Flag indicator with two potential free contacts can be set and reset electrically can be reset mechanically Connector assi...

Страница 39: ...trial networks Due to its small size the WIC1 is very well suited for the use in compact switchboards Figure 5 4 Basic circuit diagram of a standard switchboard with 2 feeders and 1 outgoing transform...

Страница 40: ...WIC1 Operating current Furthermore please pay attention to the operating current of the protection object The operating cur rent should be in the rated CT current range The WIC1 system can be loaded c...

Страница 41: ...parameter I specified the starting point of the characteristic curve Means that the factor Is I is the starting point of the characteristic curve at one times of 1 tI Delay time of the over current e...

Страница 42: ...I 1 kA Delay time for I 100 ms Primary test current value 150 A Setting of the WIC1 IS 72 A I 1 4 a tI 0 2 I 14 1kA 72A 13 88 tI 0 1s Estimation of the tripping time from the characteristic curve Star...

Страница 43: ...e protection system or of the primary side of the equipment Pay attention to check that over the prima ry circuit no second current flow way is possible Grounding of the feeder 6 2 Accessories for com...

Страница 44: ...6 2 Power absorbed by one phase over the range 0 1 10 lowest operating current Lowest operating current lower rated current x 0 9 The operating current is chosen by Is I WIC1 W1xx 7 2 A Is 8 A WIC1 W...

Страница 45: ...g work is assisted by the integrated test windings of the WIC1 protection system which are on the front of the relay Hence any wiring jobs as well as actions in the cable connection area can be disreg...

Страница 46: ...the primary test method is used the test current is impressed via the primary winding When the secondary test method is used the test current is impressed via the CD test winding There are different...

Страница 47: ...s I I and IE 6 7 2 Switching points for the overcurrent steps DIP 1 1 OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON DIP 1 2 OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON DIP 1 3 OF...

Страница 48: ...8 64 9 60 Is Hex 5 0 52 1 04 1 56 2 08 2 60 3 12 3 64 4 16 4 68 5 20 6 24 7 28 8 32 9 36 10 40 Is Hex 6 0 56 1 12 1 68 2 24 2 80 3 36 3 92 4 48 5 04 5 60 6 72 7 84 8 96 10 08 11 20 Is Hex 7 0 60 1 20...

Страница 49: ...T Is Hex 0 0 064 0 096 0 128 0 160 0 192 0 224 0 256 0 288 0 320 0 384 0 448 0 512 0 576 0 640 0 800 Is Hex 1 0 072 0 108 0 144 0 180 0 216 0 252 0 288 0 324 0 360 0 432 0 504 0 576 0 648 0 720 0 900...

Страница 50: ...Definite Time I 1 05 x Is tI 1 00s I 4 00 x Is tI 0 10s IE 0 9 xIs tIE 0 2s Test step 1 Test of the short circuit step I For this the following parameters have to be blocked I EXIT tI EXIT IE EXIT The...

Страница 51: ...er Test step 2 Test step 5 Test of the earth current step IE Settings I EXIT tI 1 00s I 4 00 x Is tI 0 10s IE 0 9 x Is tIE EXIT only applicable to devices that offer earth current protection Test to b...

Страница 52: ...lure Remedy Wrong measuring and trip ping values Test winding short circuited Secondary side of test winding always to be operated openly except when relays are test ed Wrong measuring and trip ping v...

Страница 53: ...on L1 C CT test winding connection L1 D CT test winding connection L1 S1 CT measuring winding connection L2 S2 CT measuring winding connection L2 C CT test winding connection L2 D CT test winding conn...

Страница 54: ...96 109 97 83 98 76 98 69 98 46 19 41 99 38 49 33 47 30 79 29 80 1000 00 192 45 174 95 137 46 104 97 96 23 87 48 57 74 52 49 48 11 41 84 38 49 37 25 32 99 28 87 1250 00 249 56 218 69 171 83 131 22 120...

Страница 55: ...echnical Manual WIC1 Woodward DOK TD WIC1E Rev L 55 8 Annex 8 1 Dimensional drawing relay Figure 8 1 Dimensional drawing 8 2 Dimensional drawing flag indicator Figure 88 2 Flag indicator WI1SZ4 WI1SZ5...

Страница 56: ...rated CT current Trip at 0 8 times lowest rated CT current and full energy storage W Please leave box empty if option is not desired Flag indicators WI1 Small type front 34 x 23 mm connection lead 1m...

Страница 57: ...ed CT current A 16 Char Trip characteristic DEFT I Pickup value for DMT characteristic or start val ue of the IMT characteristic x IS 0 9 tI Tripping time for DMT characteristic s 0 04 a Multiplier fo...

Страница 58: ...10 07 55 P O Box D 47884 Kempen Germany Phone 49 0 21 52 145 1 Internet www woodward com Sales Tel 49 0 21 52 145 331 or 49 0 711 789 54 510 Fax 49 0 21 52 145 354 or 49 0 711 789 54 101 e mail Sales...

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