Bloom Energy Corporation

Other

Eaton Corporation

Carl Cottuli

Arne Watson Ballantine

Prasad Pmsvvsv

Ranganathan Gurunathan

Jessica Mahler

Rajesh Gopinath

Beau Baker

Peter Gross

Martin Perry

Peter Light

Kr Sridhar

Manuel D Linhares, Jr

Daniel Baynes

Jon Christopher Motta

David Weingaertner

K R Sridhar

Chad Pearson

David Trevisan

Gilbert Richards

Ross Parker

James Smith

Saravanakumar Narayanasamy

Deepak Balakrishnan

Barry Sharpe

Santi Lara

John O'Toole

Badri Narayanan

Suminderpal Singh

Edwin Pho

Sean Dunn

Jr Manuel D Linhares

A system for fuel cell based microgrid is provided. The system includes a plurality of fuel cell modules to generate DC power. The system includes a plurality of dual-mode inverters (DMIs) to convert the DC power into AC power. The system includes a plurality of DC switches to electrically connect or disconnect a fuel cell module from a DC bus. The DC bus is electrically coupled to the plurality of the DC switches. The plurality of DMIs includes a first set of DMIs, second set of DMIs, and a third set of DMIs. The first set is configured to electrically connect a first set of fuel cell modules with a grid. The second set of DMIs is configured to electrically connect a second set of fuel cell modules with a first load. The third set of DMIs is configured to electrically connect the DC bus with the first load.

Fuel cell based microgrid

A method of operating a power generator having a first electrical output electrically connected to a utility grid and a second electrical output electrically connected to a load includes detecting if the first electrical output of the power generator is electrically disconnected from the utility grid, and electrically connecting at least a neutral line of the first electrical output to ground in response to detecting that the first output is electrically disconnected from the utility grid.

Selective grounding of grid parallel inverter systems

Various embodiments manage a fuel cell IT grid system to maintain fuel cell temperatures above a threshold temperature. The system may include power modules each including a fuel cell, DC/DC converters each connected to a power module, a DC power bus connected to the DC/DC, IT loads each connected to the DC power bus, a load balancing load connected to the DC power bus, and a control device connected to a first power module. The control device may determine whether a temperature of the first power module exceeds the temperature threshold, determine whether an electrical power output of the power modules exceeds an electrical power demand of the IT loads in response to the temperature exceeding the temperature threshold, and direct excess electrical power output to the load balancing load in response to the electrical power output exceeding the electrical power demand.

Grid islanded fuel cell installation for data center load

A method of operating a vessel includes providing hydrogen or a fuel mixture containing hydrogen and a hydrocarbon fuel to a power generator disposed on the vessel, and providing power from the power generator to an electrical load of the vessel.

Use of hydrogen and liquid natural gas hybrid fuel in marine applications to reduce carbon footprint

A fuel cell system having a power module including at least one fuel cell segment, an input output module including at least one inverter, a rectifier, and an electric distribution module having at least a first electrical connector and a second electrical connector. The at least one fuel cell segment may be electrically connected to the at least one inverter and may be electrically connected to an information technology (IT) load via a split bus. The at least one inverter may be electrically connected to an alternating current (AC) source via the first electrical connector of the electric distribution module. The rectifier may be electrically connected to the AC source via the second electrical connector of the electric distribution module and may be electrically connected to the IT load via the split bus.

Fuel cell system for information technology loads

A method of operating a power generation system, such as a fuel cell power generation system, includes providing a first electrical power up to a threshold amount of power to a load from at least one power module via a plurality of DC/DC converters and a DC power bus, determining whether electrical power from a utility is available, and providing a second electrical power from the at least one power module to a rectifier path via a plurality of DC/AC inverters in response to determining that the electrical power from the utility is available. The second electrical power includes electrical power generated by the at least one power module in excess of the threshold amount of electrical power.

Hybrid DC power installation for data center load

A power generating system includes power modules disposed in vertically stacked levels, exhaust plenums that extend vertically through the levels of power modules and are configured to receive exhaust output from the power modules, and an exhaust conduit that extends horizontally across an uppermost level of the power modules and is fluidly connected to the exhaust plenums.

Power tower for heat capture

A system and method of provided power to one or more electrical loads of an electrical load module is provided. The electrical load module includes an alternating current (AC) power input port, a direct current (DC) power input port, a power distribution device, a first power supply device, a second power supply device, and a first electrical load component. The power distribution device is electrically coupled to the AC power input port via a first connector and the DC power input port via a second connection. The first electrical load component is coupled to the first power supply device and the second power supply device. The first power supply device and the second power supply device are configured to provide power to the first electrical load component and a feed from an alternative power source system is directly connected to the DC power input port of the electrical load module.

Power system integrated with dual power electrical load

A power module system includes a plurality of vertically stacked power modules. The plurality of vertically stacked power modules include at least two vertical stacks. A shared exhaust plenum is located between the at least two vertical stacks of power modules.

Stackable fuel cell generator arrangement with common inlet and common outlet plenums

A fuel cell system having a power module including at least one fuel cell segment, an input output module including at least one inverter, a rectifier, and an electric distribution module having at least a first electrical connector and a second electrical connector. The at least one fuel cell segment may be electrically connected to the at least one inverter and may be electrically connected to an information technology (IT) load via a split bus. The at least one inverter may be electrically connected to an alternating current (AC) source via the first electrical connector of the electric distribution module. The rectifier may be electrically connected to the AC source via the second electrical connector of the electric distribution module and may be electrically connected to the IT load via the split bus

An electrical power system, including a fuel cell system having a plurality of fuel cell segments and an energy storage system electrically coupled to the fuel cell system. The energy storage system including a plurality of energy storage system technologies, an energy storage system direct current (DC) bus configured to electrically connect the plurality of energy storage system technologies to the fuel cell system, and an energy storage system technologies management system configured manage impedance of the energy storage system and electric coupling of the energy storage system and the fuel cell system.

Intergrated fuel cell and energy storage systems and method of operating thereof

Various embodiments enable the operation of fuel cell system support equipment using variable frequency drives and power from fuel cells and/or grid power sources.

Fuel cell system with variable frequency drive for support equipment

An overvoltage snubber circuit configured to receive an alternating current (AC) overvoltage includes a first rectifier configured to convert the AC overvoltage to a direct current (DC) overvoltage, a chopper circuit electrically connected to the first rectifier and configured to break up the DC overvoltage and to output a variable DC voltage, and a resistor electrically connected to the chopper circuit and configured to dissipate energy of the variable DC voltage.

Growing community of inventors

Franklin, MA, United States of America

Carl Cottuli