—————— Instruction manual ——————
481
Field circuit and ground connection
Theunitcontainsasemi-controlledsingle-phasemotoreldpowersupplycircuit.Asshown,theinputandoutput
connectionsareinthelowerpart.
WerecommendtheuseofanadaptertransformerfortheinputpowersupplytoterminalsU1-V1.Thefuses
listedinthetablearemandatory.
Usedip-switchesS14ontheregulationcardtosettheeldcurrentfullscalevalue,see"Table2.3.3.4-F:Field
currentresistorsSizesTPD32-EV-CU-..."onpage32
Figure A1.6.1: Position of terminals
V1, U1, C1, D1
D,C,W,V,U
PE
1,2,3,5,6,7,8
KPT11
KPT21
Cablecross-sectionsandtighteningtorque
Terminal Function Min. cable cross-section Max. cable cross section Tightening torque
U1, V1 AC power input
10 mm
2
(10AWG) 25 mm
2
(2AWG) 4 …4.5 Nm
C1, D1 Motor field DC power output
PE Protective earth 10 mm
2
(8AWG) 16 mm
2
(6AWG) 6 …8 Nm
TheprotectiveearthPEconnectormustbeconnectedtothesystem’sgroundcircuitaccordingtothelawsinforce.
Recommended eld fuses (FU1, FV1) and fuse holders
Rated field
current
Type of fuse (cylindrical, 22x58 mm)
Bussmann Ferraz-Shawmut (Mersen) Siba Code
40A FWP-50A22Fa A70QS50-22F 5014006.50 F4M15
70A FWP-100A22Fa A70QS100-22F 5014006.100 F4M21
Fuse holders Bussmann CH222D or Ferraz-Shawmut US222 (Ref. L227940) S85B9
Interface with three-phase power supply (mains) and motor armature voltage
TheCUrequiresamainsvoltageandarmaturevoltagefeedbackfromthecontrolledpowerbridge.Itisconnected
toterminalsUVWandCD,respectively,oftheKPconnector.Asmentionedpreviously,theCUissupplied
withaspeciccablealreadyttedwiththerelativeKPconnectorattheCUendandfreeconductorsattheother
end(“KPconnectorinterfacecableforTPD32-EV-CU”,EAM2762).
Terminal Function Min. cable cross-section Max. cable cross section Tightening torque
U, V, W Mains voltage feedback 0.2 mm
2
(24AWG) 6 mm
2
(10AWG) 0.7 …0,8Nm
C, D Armature voltage feedback Recommended : 2.5 mm
2
(14 …12AWG)