Instruction and Operating Manual
Overspeed Protector CTO-B45202
J.M. Voith SE & Co. KG │ Division Digital Ventures
6.3 Commissioning
Check cables and hydraulic lines
according to wiring diagram
Connect to supply voltage
Are the trip signals for the
speed controller and for external processing
reset?
Does the hydraulic valve open fully?
Does the hydraulic valve close, the
speed controller signal “trip“ and is the external trip signal
available after opening of external trip loop?
Disconnection when / on:
- exceeding SS frequency
- external trip loop is interrupted
- overvoltage
- undervoltage
- interruption or short circuit of speed
pick up
- short circuit of coil connections of
external relay K
Does the stroke of the trip-stop cylinder collapse for a
short time when operating the trip-sim. pushbutton? (you can adjust
the time to trip the overspeed protection by means of the T4
potentiometer see chapter 6.2)
Bring turbine speed close to rated speed
or achieve the same by simulating the
actual speed