flow. In order to prevent the no-load of the hydraulic system from interacting with the turbogenerator, a loading valve (or repression valve) is set at
the outlet of the hydraulic pump to regulate and isolate the flow into the
hydraulic system, to load the pump, to prevent the no-load of the turbine
from overturning, and to ensure that the speed, frequency, and voltage of the
generator do not exceed the limit. Of course, damper disks, such as sparrow
gas turbogenerator, and regulators, such as Sam 6 cold gas turbogenerator,
can also be used to regulate the speed of turbogenerator.
6. Instantaneous method of providing peak trajectory power. After choosing
the motor with less rated power, how to get more transient power? For the
circulating hydraulic system, the method of gas pressurized accumulator can
be used. In the case of instantaneous large rudder deflection speed, a certain
rate of pressure change is converted to the supplementary flow of accumulator, which together with the hydraulic pump provides the instantaneous
peak flow of missile trajectory. For example, Patriot Hydraulic Execution
System (Figure 9.17), when the missile suddenly maneuvers, the load flow
of the system increases sharply, the pressure drops sharply, and the pressure
feedback makes the variable displacement pump swash plate to the maximum position to provide the maximum flow, while the helium pressurized
hydraulic accumulator rapidly provides the instantaneous supplementary
flow. For the electric steering system of clutch-controlled driving motor,
because of the existence of high-power clutch and decelerating gear system,
its flywheel effect can be used to convert the instantaneous stall moment into
the supplementary flywheel moment with a certain rate of speed change, and
together with the motor, the instantaneous peak moment of missile trajectory can be provided, such as the standard missile electric actuating system.
Electro-hydraulic
energy combination
Power supply to
full missile
Exhaust
To wireless energy
Turbine
Reducer
Alternator
Hydraulic
pump
Loading
Valve
Oil
filtration
Unidirectional
valve
Current
Limiting Valve
Solid propellant
gas generator
To steering gear
Gas pressure
regulating valve
Self-pressurized
oil tank
Hydraulic safety
valve
Hydraulic relief
valve
Total oil return
Fig. 9.16 Block diagram of comprehensive utilization of hydraulic common source and
missile-borne electro-hydraulic energy
90
9 High-Temperature and High-Speed Gas Turbine Pump …
the outlet of the hydraulic pump to regulate and isolate the flow into the
hydraulic system, to load the pump, to prevent the no-load of the turbine
from overturning, and to ensure that the speed, frequency, and voltage of the
generator do not exceed the limit. Of course, damper disks, such as sparrow
gas turbogenerator, and regulators, such as Sam 6 cold gas turbogenerator,
can also be used to regulate the speed of turbogenerator.
6. Instantaneous method of providing peak trajectory power. After choosing
the motor with less rated power, how to get more transient power? For the
circulating hydraulic system, the method of gas pressurized accumulator can
be used. In the case of instantaneous large rudder deflection speed, a certain
rate of pressure change is converted to the supplementary flow of accumulator, which together with the hydraulic pump provides the instantaneous
peak flow of missile trajectory. For example, Patriot Hydraulic Execution
System (Figure 9.17), when the missile suddenly maneuvers, the load flow
of the system increases sharply, the pressure drops sharply, and the pressure
feedback makes the variable displacement pump swash plate to the maximum position to provide the maximum flow, while the helium pressurized
hydraulic accumulator rapidly provides the instantaneous supplementary
flow. For the electric steering system of clutch-controlled driving motor,
because of the existence of high-power clutch and decelerating gear system,
its flywheel effect can be used to convert the instantaneous stall moment into
the supplementary flywheel moment with a certain rate of speed change, and
together with the motor, the instantaneous peak moment of missile trajectory can be provided, such as the standard missile electric actuating system.
Electro-hydraulic
energy combination
Power supply to
full missile
Exhaust
To wireless energy
Turbine
Reducer
Alternator
Hydraulic
pump
Loading
Valve
Oil
filtration
Unidirectional
valve
Current
Limiting Valve
Solid propellant
gas generator
To steering gear
Gas pressure
regulating valve
Self-pressurized
oil tank
Hydraulic safety
valve
Hydraulic relief
valve
Total oil return
Fig. 9.16 Block diagram of comprehensive utilization of hydraulic common source and
missile-borne electro-hydraulic energy
90
9 High-Temperature and High-Speed Gas Turbine Pump …