Load interrupter system

Claim 2

A load interrupter system, operable in a data acquisition mode and a normal operating mode, for protecting a device connected to an electrical system, said load interrupter system comprising: a test control unit coupled to the device during the data acquisition mode, said test control unit including signal generation circuitry for applying test signals to the device and a storage medium for storing responses of the device to said test signals; processing circuitry for formatting said responses into an operating profile representative of limits of normal operation of the device; and an interrupter unit including a memory for receiving and storing said operating profile from said test control unit while connected thereto, said interrupter unit including an input connected to an input voltage source and an output connected to the device during the normal operating mode, said interrupter unit forming a current path between said input and said output and including a relay along said current path for breaking said current path, said interrupter unit including a load monitor for monitoring dynamic operating characteristics of the device relative to said operating profile and causing said relay to break said current path in response to said dynamic operating characteristics falling outside the limits of normal operation of the device.

Claim 3

The load interrupter system of claim 1, wherein said signal generation circuitry includes a line regulator and a multiple output transformer connected to an output of said line regulator, said line regulator providing said transformer with a stabilized output voltage in response to receiving a line voltage at an input of said line regulator.

Claim 4

The load interrupter system of claim 2, wherein said transformer includes selection taps controlled by respective drivers, and further including a controller for controlling said drivers to cause said transformer to generate a series of regulated voltage steps to the device while subjecting the device to varying load conditions.

Claim 5

The load interrupter system of claim 4, wherein said signal generation circuitry includes means for applying said test signals as a series of regulated input voltage steps to the device while subjecting the device to varying load conditions.

Claim 6

The load interrupter system of claim 4, wherein said means for applying said test signals includes a line regulator and a multiple output transformer.

Claim 7

The load interrupter system of claim 1, wherein said storage medium includes a random access memory.

Claim 8

The load interrupter system of claim 1, wherein said responses of the device to said test signals include data selected from the group consisting of voltage, current, load, and time data.

Claim 9

The load interrupter system of claim 1, wherein said processing circuitry includes means for compressing said responses.

Claim 10

The load interrupter system of claim 1, wherein said memory includes an electrically alterable read only memory (EAROM).

Claim 13

The method of claim 10, wherein said step of applying test signals to the device includes applying a series of regulated input voltage steps to the device while subjecting the device to varying load conditions.

Claim 14

The method of claim 10, wherein said step of recording responses of the device to the applied test signals includes recording voltage, current, load, and time data.

Claim 15

The method of claim 10, wherein said step of generating an operating profile for the device includes compressing the responses.

Claim 18

The method of claim 14, wherein said step of applying test signals to the device includes applying a series of regulated input voltage steps to the device while subjecting the device to varying load conditions.

Claim 19

The method of claim 14, wherein said data responsive to the applied test signals includes voltage, current, load, and time data.

Claim 20

The method of claim 14, wherein said step of formatting the data into an operating profile includes compressing the data.

Claim 21

A load interrupter system for protecting a device connected to an electrical system, said load interrupter system comprising: means for applying test signals to the device and recording responses of the device to the applied test signals; means for generating an operating profile for the device based on the recorded responses, the operating profile representing limits of normal operation of the device; means for connecting the device to an input voltage source via an interruptible current path; means for monitoring the interruptible current path by comparing dynamic operating characteristics of the device to the operating profile; and means for interrupting the current path in response to the dynamic operating characteristics falling outside the limits of normal operation of the device.

Claim 22

A load interrupter system for protecting a device connected to an electrical system, said load interrupter system comprising: means for applying test signals to the device and recording responses of the device to the applied test signals; means for generating an operating profile for the device based on the recorded responses, the operating profile representing limits of normal operation of the device; means for connecting the device to an input voltage source via an interruptible current path; means for monitoring the interruptible current path by comparing dynamic operating characteristics of the device to the operating profile; and means for interrupting the current path in response to the dynamic operating characteristics falling outside the limits of normal operation of the device.

Claim 23

A load interrupter system for protecting a device connected to an electrical system, said load interrupter system comprising: a test control unit coupled to the device, said test control unit including signal generation circuitry for applying test signals to the device and a storage medium for storing responses of the device to said test signals; processing circuitry for formatting said responses into an operating profile representative of limits of normal operation of the device; an interrupter unit including a memory for receiving and storing said operating profile from said test control unit while connected thereto, said interrupter unit including an input connected to an input voltage source and an output said interrupter unit forming a current path between said input and said output and including a relay along said current path for breaking said current path, said interrupter unit including a load monitor for monitoring dynamic operating characteristics of the device relative to said operating profile and causing said relay to break said current path in response to said dynamic operating characteristics outside the limits of normal operation of the device; and an external programming source connected to said test control unit for sending data to said control test unit, said data comprising electrical specifications and ratings of said device.

Claim 24

A load interrupter system for protecting a device connected to an electrical system, said load interrupter system comprising: a test control unit coupled to the device, said test control unit including signal generation circuitry for applying test signals to the device and a storage medium for storing responses of the device to said test signals; processing circuitry for formatting said responses into an operating profile representative of limits of normal operation of the device; an interrupter unit including a memory for receiving and storing said operating profile from said test control unit while connected thereto, said interrupter unit including an input connected to an input voltage source and an output said interrupter unit forming a current path between said input and said output and including a relay along said current path for breaking said current path, said interrupter unit including a load monitor for monitoring dynamic operating characteristics of the device relative to said operating profile and causing said relay to break said current path in response to said dynamic operating characteristics outside the limits of normal operation of the device; and an external programming source connected to said test control unit for sending data to said control test unit, said data comprising electrical specifications and ratings of said device.