FREQCON超速模块说明书

FREQCONGmbH,Vethem24,29664Walsrode.Tel:++49(0)516691106Fax:++49(0)516691107

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OverspeedmoduleRelease1.1/12.2.2007NH

Thisdeviceisusedtocalculatetherotationalspeedofthewindturbinerotorusing2differentpulsesignalsfromanIVOGM400transducer(2048pulses/revolution)mountedonthebacksideoftheslipringunit.WhendetectedspeedofeachsingleInputisreachingafixedsetpointaRelaiscontactisopenedtotripthewindturbinesafetyloop.

Setpointcanbeselectedbywireconnectiononthe19-poleconnectorofthemodule.

Basicspeedlevelisequalto15rpm(512Hz),eg.togetasetpointof24rpm(819,2Hz)connectTerminal4,7,and9.

Tochecktheproperfunctionofthemodule,twoanalogueoutputsareconnectedtothemainturbinecontrollerandcomparedwiththespeedmeasurementofABBmainconverter.

TheModuleishousedinBOPLACNS100forDINRailmountingandisconnectedbyremovable19-polescreworspringterminals.

OverspeedModule:19-poleConnector

Terminalnumber

Terminalname

Terminaldescription

Voltagelevel

1

Analoguegnd

All24V

2

Speedsignal1

0...10V=0....1194,6=0...35rpm

3

Speedsignal2

0...10V=0....1194,6=0...35rpm

4

+8rpm

5

+4rpm

6

+2rpm

7

+1rpm

8

+0,5rpm

9

Setpointcommon

Unconnectedtripspeed=15rpm=15Hz

10

Reloutputaspeed2

Openwhenmodulefailsoroverspeed

11

Reloutputbspeed2

12

Reloutputaspeed1

Openwhenmodulefailsoroverspeed

13

Reloutputbspeed1

14

Gnd24V

15

Gnd24V

16

Pulsesensor1

2048pulses/revolution

17

PulseSensor2

2048pulses/revolution

18

+24Vsupply

19

+24Vsupply

O

V

E

R

S

P

E

E

D

1.1

Analoguegnd

1

Speedsignal1

2

Speedsignal2

3

+8rpm

4

+4rpm

5

+2rpm

6

+1rpm

7

+0,5rpm

8

Setpointcommon

9

Reloutputaspeed2

10

Reloutputbspeed2

11

Reloutputaspeed1

12

Reloutputbspee