Heinzmann PRIAMOS I DC 16.1-03, Руководство пользователя

Страница: 14 / 59

2 General Remarks
PRIAMOS I
4
2 General Remarks
HEINZMANN digital governors with control units DC 16.1-03 up to DC 40.01-03 constitute
speed governors offering a wide range of functions.
In addition to speed regulation, the following functions are available:
a) Starting Fuel Flow Adjustment
When setting starting fuel flow, starting minimum fuel flow or starting maximum fuel flow
are available as alternatives. If nesessary, both als can be depent on temperature. Furthermore,
variable starting fuel flow can be provided, by which starting fuel flow is increased
automatically during start-up.
b) Speed Ramp
For applications in which speed is not supposed to respond as fast as possible to changes of
setpoint values (e.g., locomotive operation), a speed ramp is available which according to
requirements may be programmed separately for increasing or decreasing speed.
c) Fixed Fuel Limitation
For the stop-position and the maximum fuelling position "electric catches" can be provided.
This will prevent the governor's thrust from affecting the terminal stops of the injection pump,
etc.
d) Speed Dependent Fuel Limitation
For variable speed governors, there is provided an option of programming speed dependent
limit curves. Thus, for any speed, torque can be reduced as is permissible for the engine or
desired by the user.
e) Boost Pressure Dependent Fuel Limitation
For turbocharged engines, fuelling can be reduced to achieve smokeless operation in case of
missing boost pressure (e.g., starting or load change). The respective limit curves can be
programmed accordingly.
f) Idling and Maximum Speed Control
For vehicle application, the governor can be made to operate as an idling and maximum speed
controller. In addition, one fixed intermediate speed is available, e.g., for an application
combining driving and stationary mode (e.g., generator at power take-off). If necessary, a