background image

 

 

GHIELMETTI AG –  7UW50 -  Technische Dokumentation 

ROR/09.02.2021 

Page 17 of 19 

15

 

Specifications 

Technical data 

Voltage supply U

H

 

+250 V

DC

 

Range of voltage supply:

 

+120 … 370 V

DC

 

Input Voltage Range:

 

+180 … 250 V

DC

 

Power consumption:

 

0.5 W in standby, 45 W max. 

Bridging period on auxiliary voltage failure: 

≥50 ms to U

H

    

250 V

DC

 

Display memory 

Number of indication memories / Input: 

28 

Number of indication memories / Output: 

10 

Number of group memories: 

Indication delay time: 

≥5 ms 

Alarm contacts 

Alarm relays for «tripping command dispatched»

 

indication:

 

2 NO contacts 

Switching capacity make/break:

 

20 VA 

Switching voltage:

 

250 V

AC/DC

 

Permission current:

 

0,1 A @ 250 V

DC

 

Matrix 

Number of columns (inputs):

 

2x14 

Number of input indication LED:

 

28 

Number of rows (outputs):

 

10 

Number of output indication LED:

 

10 

Diode plugs 

GDS 621 ZS/20 sw:

 

674.212.002.00 (part number) 

Max. reverse voltage :

 

1000 V 

Max. permissible current:

 

1 A 

Current flow direction:

 

from column (+) to row (-) 

Insulation 

Specification:

 

IEC 255-5 

Max. voltage (input, output):

 

2,8 kV

eff

  @ 50 Hz 

Max. over voltage:

 

5 kV

peak

 1,2/50 μs, 0,5 J, 3 positive and 3 negative 

pulse within 5 sec. each 

Climate conditions 

Operation temperature:

 

-5 °C to +55 °C 

Storage temperature:

 

-25 °C to +55 °C 

Construction 

Mechanical dimensions:

 

W/H/D = 219.4 x 267.4 x 177.3mm 

Weight:

 

approx. 4.7 kg 

Connectors 

Clamp-connectors:

 

max. wire diameter 2.5 mm² 

 

 

Summary of Contents for 674.114.913.02

Page 1: ...Tripping matrix for Generator Protection Systems GKV 2x11x14 621 SSK 7UW50 250 VDC Part No 674 114 913 02 Manual Edition 04 2020...

Page 2: ...ecting the Tripping Matrix 8 11 1Auxiliary output screw mount connectors 9 12 Installation instruction 10 12 1Unpacking and repacking 10 12 2Preparations 10 12 2 1Mounting and connections 10 12 2 2Che...

Page 3: ...formance at the factory according to the specifications given for the system in this manual However before putting the device into operation we kindly ask you to read this manual and act according to...

Page 4: ...rvicing adjustments maintenance or repair of this product may be performed by qualified personnel only 6 Disclaimer This instruction manual does not purport to cover all details in equipment nor to pr...

Page 5: ...le are used for programming the matrix the reliability being attained by generous over rating with respect to forward current and reverse voltage The diode plugs are inserted from the front and enable...

Page 6: ...GHIELMETTI AG 7UW50 Technische Dokumentation ROR 09 02 2021 Page 6 of 19 9 Block Diagram...

Page 7: ...GHIELMETTI AG 7UW50 Technische Dokumentation ROR 09 02 2021 Page 7 of 19 10 Control elements of the Tripping Matrix 10 1 Connecting and Diode plugs...

Page 8: ...GHIELMETTI AG 7UW50 Technische Dokumentation ROR 09 02 2021 Page 8 of 19 11 Interconnecting the Tripping Matrix...

Page 9: ...GHIELMETTI AG 7UW50 Technische Dokumentation ROR 09 02 2021 Page 9 of 19 11 1 Auxiliary output screw mount connectors...

Page 10: ...the relay shall be situated in the operating area for at least two hours in order to ensure temperature equalization and to avoid humidity influences and condensation 12 2 Preparations The operating c...

Page 11: ...t most 0 5s The unit faulty alarm contact of the auxiliary supply circuit must disappear after at most 1s the current consumption data given in the Specifications Open the circuit breaker for the DC p...

Page 12: ...with the operation of thw protected object as well as the rules and regulations switching earthing etc In order to test the tripping circuits a control command must be given from a protection or super...

Page 13: ...of 19 During pushing the RESET button the LEDs on the front will light up thus a LED test is performed at the same time The green LED 15V on the front must be on All terminal screws even those not in...

Page 14: ...GHIELMETTI AG 7UW50 Technische Dokumentation ROR 09 02 2021 Page 14 of 19 14 Dimensions 14 1 Front view...

Page 15: ...GHIELMETTI AG 7UW50 Technische Dokumentation ROR 09 02 2021 Page 15 of 19 14 2 Back view...

Page 16: ...GHIELMETTI AG 7UW50 Technische Dokumentation ROR 09 02 2021 Page 16 of 19 14 3 Side view...

Page 17: ...ity make break 20 VA Switching voltage 250 VAC DC Permission current 0 1 A 250 VDC Matrix Number of columns inputs 2x14 Number of input indication LED 28 Number of rows outputs 10 Number of output ind...

Page 18: ...ousing cover Warning Hazardous voltages can be present in the device even after disconnection of the supply voltage or after removal of the module from the housing storage capacitors Caution Electrost...

Page 19: ...9 SWITZERLAND GHIELMETTI AG Head Office Switzerland 41 32 671 13 13 Phone 41 32 671 13 14 Fax info ghielmetti ch www ghielmetti ch GERMANY GHIELMETTI AG Office Germany 49 3371 402 754 Phone 49 3371 61...

Reviews: