A hybrid powertrain system and method includes a prime mover driving a generator/motor to produce an AC power output. The AC power output is applied to a rectifier which is controlled to transform the applied AC power to DC power to supply a DC Power bus at a selected voltage and current. An energy…
A method for cycle life management of a mixed chemistry battery pack configured for electrically powering a traction motor of a vehicle. The method may include determining a driving load request made for requesting the mixed chemistry battery pack to provide a requested amount of electrical power…
A hybrid powertrain system and method includes a prime mover driving a generator/motor to produce an AC power output. The AC power output is applied to a rectifier which is controlled to transform the applied AC power to DC power to supply a DC Power bus at a selected voltage and current. An energy…
The idle stop control device includes charge control means (46) for increasing and reducing a power generation amount of an ACG starter (18) in accordance with a charge state of a battery (19), and engine output control means (47) for controlling output of the engine (14a). When it is determined…
A propulsion control device of a hybrid vehicle that enables, during an operating state of a train, flexible control corresponding to the operating state includes a total control section 10 that totally controls a power generating device 2, a power storage device 3, and a load device 5. The total…
A field winding rotating electrical machine includes a field current detection section (110) configured to detect a field current flowing in a field winding, a field current control section (100) configured to calculate a duty ratio of a current supplied to the field winding based on a field…
An electric power source assembly for a vehicle, the power source assembly comprising a plurality of converter unit groups (GC, EC1, MC), each one of which comprises at least one converter unit, each converter unit comprising a plurality of controllable switches (S1 to S6), a first terminal group…
In an electric-mileage learning when a running mode of a plug-in hybrid vehicle is a CD mode, acquisition of information for the electric-mileage learning is not performed in the case where the running mode is changed from the CD mode to a CS mode during one trip even when the running mode is…
A motor driving device according to the present invention includes: a PWM duty ratio detecting unit for detecting a target rotational speed based on a duty ratio of a PWM signal input from a host system; a PWM period detecting unit for detecting a period of the PWM signal; a PWM period error…
Provided is a construction machine capable of achieving an energy conservation effect while restraining overcharge of an electrical storage device, including an engine, a slewing electric motor, an electrical storage device, a generator-motor, and an assist controller which causes the…
A swiveling body is installed on a base in a swivelable manner. An electric motor for swiveling swivels the swiveling body. An inverter supplies electric power to the electric motor for swiveling. An obstacle detector detects an obstacle around the base and transmits a detected result to a control…
The drive train (10) has a tank (100) to store chemical energy in the form of natural gas, particularly liquefied natural gas (LNG), where one or more pure-natural gas generators, particularly LNG-generators (200) are provided to generate electrical energy from the chemical energy of the natural…
The method involves determining a position and a driving direction of a hybrid vehicle, and determining an expected route of the hybrid vehicle under consideration of the position and the driving direction. An energy demand profile is prepared, which is assigned to the route. A set-charging…
The machine (1) has electric devices (10, 20) e.g. motor and motor-generator, comprising rotors (12, 22) co-operating with stators (11, 21). A disengageable coupling unit (30) attaches or disconnects the rotors during rotation. Another disengageable coupling unit (40) mechanically connects one of…
A power control apparatus and method according to a load of a hybrid excavator including an H-ECU is disclosed. If a difference between an actual power value actually used in a load (SW PEC and ISAM PEC) or in an ESS and a power value required for an actual use in the load is equal to or larger…
A power generation system includes a prime mover, a generator mechanically connected to the prime mover, the generator including a field winding portion and an armature winding portion, a direct current bus node, a first variable frequency drive having an input electrically connected to the bus…
A direct current bus management system can include a power management and distribution unit 105, having a source management section 110, a bus management section 115 coupled to the source section, a load management section 120 coupled to the bus management section, a DC bus 200 coupled to the power…
Each of battery modules is provided with a range determiner and a voltage detector. The range determiner is connected to a battery via a transmission line, and the voltage detector is connected to the battery via a communication line. In the battery, a voltage calculator calculates a terminal…
The electrical energy storage device (17) comprises an electric drive unit particularly a hybrid drive unit, and several ultra-capacitors that are arranged on a common printed circuit board. The test leading portions of the ultra capacitors arranged at the common printed circuit board are…
The electrical energy storage device (17) has ultra-capacitors (35) that are arranged on a common printed circuit board (41). The ultra-capacitors facing away from an elastic intermediate layer (45) is pressed against a housing wall (46) by a pressing unit. Terminals (43) of ultra-capacitors are…
A hybrid vehicle (10) includes: a battery (13) which is charged with electricity generated by a generator (12); a motor (15) which drives a motor shaft that is connected with a driving shaft of the hybrid vehicle (10) by using at least one of the electricity generated by the generator (12) and the…
A power supply system comprises first electrical conversion means (22) for converting an alternating current electrical output from a generator (24) to a direct current electrical output for supply to an electrically powered motor (14), second electrical conversion means (26) for converting a…
A power generator starts an engine by overcoming an inrush current occurs. A calculator (21) retrieves an outputtable current of a generator according to an engine speed. A calculator (23) calculates the lacking amount of the outputtable current relative to a load current. When the remaining…
A hybrid working machine has an electric power accumulator charged by a generator driven by an engine and has an electrical load driven with electric power from the electric power accumulator. The hybrid working machine includes a direct-current bus electrically connected to the electric power…
A stator coil 14, being a rectangular coil, is wound on a salient pole, striding across a plurality of slots, while being inserted sequentially through the inlet of a predetermined slot of the stator core. The stator coil comprises two slot inserts SC-S1 and SC-S2 to be inserted into the slot S…
The system has charging state determining units (24) to find charging state of electrical energy storage units (10). Charging state comparison units (36) compare the charging state with a preset range of high charging state. Charging limiting units (38) limit charging power of the units (10), when…
A railway car drive system comprising a first railway car (1) mounting a power generation means (10), a power converter (20), a driving motor and a power storage means (50); a second railway car (2) mounting a power converter (20), a driving motor and a power storage means (50); and a power…
A current detection device used for a plurality of rotating electric machines (2,3,4;42,43) is provided. The rotating electric machines (2,3,4;42,43) are supplied with a composite current (I1-I12;I1-I9) containing a plurality of frequency components (F1,F2,F3,F4) from an single inverter (7) and the…
The device has a thermo-generator (1) that can be thermally coupled to a heat source (2) and a regulator (5) for guaranteeing a defined output voltage from the thermo-generator. The regulator is designed to maintain the temperature behavior of the thermo-generator within a range that produces a…