Lenze 8400 motec - Manual (Page 113)

Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05 113
5 Motor control (MCTRL)
5.6 V/f characteristic control - energy-saving (VFCplusEco)
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5.6.4.3 Optimising the cos/phi controller
With the Lenze setting, the cosϕ controller is set such that usually no adaptation is required for all
power ratings and application cases.
Behaviour Remedy/recommendation
The cosϕ actual value ( C00979/1 ) varies greatly. Reduce gain Vp ( C00975 ) and reset time Ti ( C00976 ).
The cosϕ actual value ( C00979/1 ) is permanently lower
than the cosϕ setpoint ( C00979/2 ).
Increase gain Vp ( C00975 ) and reset time Ti ( C00976 ).