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8350405 |
Load control module for a generator and method of operation
A load control module is provided for use with a transfer switch apparatus that controls the delivery of standby electrical power to a load during utility power interruption. The load control...
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8068937 |
Power distribution system with fault protection using energy packet confirmation
The disclosed power distribution system regulates the transfer of energy from a source 1 to a load 3. Source Controller 5 on the source side closes Disconnect Device 7 and monitors the transfer of...
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7736033 |
Lamp base with electrical device recharging receptacle and method
A lamp base having an electrical device recharging receptacle configured to receive a plug from a recharging device for a portable rechargeable electronic device. The receptacle is configured as a...
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7545055 |
Multi-pair aggregate power distribution
Apparatus and method for transmitting over non-adjacent multiple conducting pairs and aggregating powers from the conducting pairs to power remote electronic devices at an end station include, at a...
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7528503 |
Load shedding control for cycled or variable load appliances
Control of a variable output appliance of a small energy consumer participating in an electrical load shedding program. A baseline operating characteristic of the appliance is determined for...
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7397149 |
Method and a system for monitoring and regulating the power consumed by a transport system
A method of monitoring and regulating the power and the energy consumed by a transport system including electrically propelled vehicles, said transport system including a power supply system...
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7323794 |
Independent control of output current balance between paralleled power units
An information handling system power supply system has a plurality of power supply units (PSUs) with outputs connected in parallel and a current balancing circuit for equalizing current from these...
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7256516 |
Battery charging system and method
A charging system for simultaneously charging the batteries of a plurality of battery powered vehicles. The charging includes one or more DC-DC power converters having one or more charging ports...
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7138730 |
Topologies for multiple energy sources
A system and method for converting power are disclosed. Briefly described, one embodiment comprises a first power source having a first-source positive terminal and a first-source negative...
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6985799 |
Energy storage modules and management system
A system to manage energy may include a plurality of energy storage modules. Each energy storage module may include a power converter couplable to a link and a power converter controller to control...
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6664658 |
Power limiting system and method in a multiple power source environment
A power limiting system and method are provided for limiting power delivered to a common bus in a one or multi-frame tape library environment. The system includes one or more frames coupled to a...
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6654667 |
Production apparatus that detects irregularities in a mounting line and controls power consumption, and a control method and control program for the production apparatus
In an active mode, a controller switches an operation mode from the active mode to a suspend mode when an acceptance preparation completion signal is not received from downstream or when a circuit...
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6608402 |
Circuits and methods for controlling load sharing by multiple power supplies
Circuits and methods for controlling load sharing by multiple power supplies are provided. In preferred embodiments, load share controllers utilize multiple voltage control loops to monitor the...
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6278201 |
Power sharing among multiple power supplies in a material handling system
An apparatus for providing power to an automated material handling system that includes a track on which a plurality of electrically powered material transport vehicles are mounted comprises a...
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5942812 |
Proximity detector with a stable current source
A proximity detector having a power switch 30 which is switched as a function of the approach of an object. The detector includes a MOS depletion transistor T1 which connects one of the terminals...
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5708590 |
Method and apparatus for real time recursive parameter energy management system
A new method and apparatus for recursive parameter estimation which closely approximates actual values is taught. Briefly stated, the within invention estimates impedance parameters of network...
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5243232 |
Start-up pulse suppression circuit for industrial controller output
A flash-on reduction circuit for use in the binary state output circuitry of an industrial controller employs a current conductor to charge parasitic capacitances of the output circuitry when the...
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4694193 |
Fault recognition circuit for parallel power supply devices feeding a user
The invention relates to a fault recognition circuit for at least two power supplies feeding in parallel a user at an output side. The power supplies each have an electronic switch, a power...
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4680483 |
Comparator circuit
A comparator for sensing a small voltage differential at, or close to, the operating voltage rails includes first and second means for producing first and second currents and for producing a third...
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4465965 |
Power limiting apparatus
Apparatus can limit power by limiting the duty cycle of current carried by a pair of lines. The lines intermittently conduct electrical power. The apparatus has a clock, a converter and a switch...
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4106097 |
Energy conservation control method
An energy conservation schedule is followed automatically in response to production activity in a plant facility. The demand of power from the utility company is used as an indicator of actual...
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4060709 |
Power supply control
The supply of power to cyclical, separately controllable loads is controlled without interrupting the operating cycle of the loads. A controllable power supply switch interrupts the power supply...
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3862430 |
ELECTRICAL DEMAND LIMITING SYSTEM
An electrical demand limiting system is disclosed in which a DC signal proportional to the total power demand averaged for a given interval of time is compared with a plurality of preselected...
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3418486 |
Current selection and limiting circuits
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3300648 |
Load computing and shedding apparatus
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3296452 |
Load regulation
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3291998 |
Peak load stabilizers
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3201649 |
Transistor protection circuit
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2935606 |
Transistorized portable communication set
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2933615 |
Load and frequency control of power generating systems
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2843759 |
Automatic electric switching system
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