A system for variable speed drives using generators adjusting the motor frequency having a plurality of main generators 1, 2, 3 and 4 as the means of adjusting a plurality of AC motors frequency, a processor is provided that opens a main bus tie breaker in a power system to create two separate power systems, power source A and power source B, wherein power source a is powered by a generator 1 and a generator 2. and power source b is powered by a generator 3 and a generator 4, wherein the generators 1-4 are configured to operate on a droop curve wherein the output frequency of the generator is slightly reduced as the load increases.

A method for designing, configuring and maintaining a drive device with a central database provided for application programs used for designing, configuring and maintaining the drive device. Data are stored in the central database as temporal data and can be read and supplemented by the application programs. Configuration rules, dependent on the life cycle phase of the drive device, for an execution and/or an extent of a configuration change to the configuration of the drive device are defined.

A method for designing, configuring and maintaining a drive device with a central database provided for application programs used for designing, configuring and maintaining the drive device. Data are stored in the central database as temporal data and can be read and supplemented by the application programs. Configuration rules, dependent on the life cycle phase of the drive device, for an execution and/or an extent of a configuration change to the configuration of the drive device are defined.

A power conversion device includes a power conversion circuit and a control device. The control device includes a virtual power generation device model unit and a control signal generation unit. The virtual power generation device model unit includes: a motor model unit; an AVR model unit; an angular velocity difference acquisition unit; and a power generator model unit. The control signal generation unit is configured to generate the pulse width modulation signal based on the current command value and an output current value from the power conversion circuit.

A system for variable speed drives using generators adjusting the motor frequency having a plurality of main generators 1, 2, 3 and 4 as the means of adjusting a plurality of AC motors frequency, a processor is provided that opens a main bus tie breaker in a power system to create two separate power systems, power source A and power source B, wherein power source a is powered by a generator 1 and a generator 2. and power source b is powered by a generator 3 and a generator 4, wherein the generators 1-4 are configured to operate on a droop curve wherein the output frequency of the generator is slightly reduced as the load increases.

A system for intelligent monitoring and management of an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component acquires real-time data output from the electrical system. The power analytics server is comprised of a real-time energy pricing engine, virtual system modeling engine, an analytics engine, a machine learning engine and a schematic user interface creator engine. The real-time energy pricing engine generates real-time utility power pricing data. The virtual system modeling engine generates predicted data output for the electrical system. The analytics engine monitors real-time data output and predicted data output of the electrical system. The machine learning engine stores and processes patterns observed from the real-time data output and the predicted data output to forecast an aspect of the electrical system.

A method for designing, configuring and maintaining a drive device with a central database provided for application programs used for designing, configuring and maintaining the drive device. Data are stored in the central database as temporal data and can be read and supplemented by the application programs. Configuration rules, dependent on the life cycle phase of the drive device, for an execution and/or an extent of a configuration change to the configuration of the drive device are defined.

A method for designing, configuring and maintaining a drive device with a central database provided for application programs used for designing, configuring and maintaining the drive device. Data are stored in the central database as temporal data and can be read and supplemented by the application programs. Configuration rules, dependent on the life cycle phase of the drive device, for an execution and/or an extent of a configuration change to the configuration of the drive device are defined.