Clyde F Gilker

US Patent:

43521380, Sep 28, 1982

Filed:

Nov 25, 1980

Appl. No.:

6/210318

Inventors:

Clyde Gilker - South Milwaukee WI

Assignee:

McGraw-Edison Company - Rolling Meadows IL

International Classification:

H02H 324

US Classification:

361 92

Abstract:

A backup trip circuit is provided for an electronically controlled recloser or circuit breaker which requires a constant voltage direct current supply for its normal tripping circuit. Whenever the normal DC supply voltage drops below the minimum level, a capacitor is coupled to and charged by, the distribution line current. Then, whenever the line current exceeds a selected magnitude for a selected period of time, the capacitor is discharged through the trip coil of the breaker to open this distribution line.

US Patent:

45146853, Apr 30, 1985

Filed:

Jul 27, 1981

Appl. No.:

6/287250

Inventors:

Clyde Gilker - South Milwaukee WI

Assignee:

Electric Power Research Institute, Inc. - Palo Alto CA

International Classification:

G01R 2108
G01R 1916
G01R 102

US Classification:

324142

Abstract:

An integrating circuit for generating control signals representing watt-hour consumption for connection to an electronic watt-hour meter. The circuit includes a Hall effect sensor for sensing watt-hour consumption, a circuit for integrating the sensed watt-hour consumption, and a circuit for compensating for DC offset voltage generated by the Hall effect sensor.

US Patent:

44196199, Dec 6, 1983

Filed:

Sep 18, 1981

Appl. No.:

6/303608

Inventors:

James A. Jindrick - Racine WI
James R. Hurley - Brookfield WI
Clyde Gilker - Milwaukee WI
Naresh K. Nohria - Milwaukee WI
James A. Baranowski - Oak Creek WI
Thomas G. Dolnik - Kenosha WI

Assignee:

McGraw-Edison Company - Rolling Meadows IL

International Classification:

G05F 120
G05F 130

US Classification:

323257

Abstract:

A voltage regulating transformer utilizing a microprocessor and a versatile multipurpose set of hardware modules and software modules it is described. A standard tap changing mechanism is driven in response to an analog control signal to change the output voltage of the transformer in response to digitally sampled values of voltage and current which have been transformed from the time domain to the frequency domain through a software program using Fourier transform techniques. The output current is also transformed and digitally processed to determine the power factor and the direction of power flow through the transformer. By inserting the digital values of the line characteristics to the load, line drop compensation is provided for. The difference in voltage across the input and output transformers is transformed to a digital signal and internally processed to provide an indication of the position of the tap changing mechanism without relying upon mechanical devices. The various software and hardware modules are designed so as to be readily utilizable in other electrical distribution controls.

US Patent:

48477800, Jul 11, 1989

Filed:

Aug 21, 1987

Appl. No.:

7/087703

Inventors:

Clyde Gilker - Milwaukee WI
Michael P. Dunk - Racine WI
Thomas G. Dolnik - Kenosha WI
Ross S. Daharsh - S. Milwaukee WI
Mark A. Berezinski - Cudahy WI

Assignee:

Tennessee Valley Public Power Association - Chattanooga TN

International Classification:

G06F 1556
G01R 1900

US Classification:

364483

Abstract:

Apparatus is disclosed for monitoring an A. C. distribution line comprising a novel split transformer core which may be inserted remotely about a distribution feeder line without de-energizing of that line, an encoder for producing a train of voltage signals whose duration are characteristic of the magnitude of the A. C. current flowing through the line and for producing a train of light pulses from the voltage levels which characterize the magnitude of the A. C. current flowing through the line, a decoder which is opticlaly linked to the encoder for measuring the time intervals of the light pulses and for converting the time intervals into a numerical value representing the current flowing through the line.

US Patent:

41851773, Jan 22, 1980

Filed:

Mar 2, 1978

Appl. No.:

5/882583

Inventors:

Clyde Gilker - South Milwaukee WI
Arland D. Lamke - Franklin WI

Assignee:

McGraw-Edison Company - Elgin IL

International Classification:

H01H 300

US Classification:

200 17R

Abstract:

A tap-changing transformer system, utilized for voltage regulation of the line potential applied to a load from a source of energy, has a non-arcing switch to protect tap contacts during a tap change. A fail-safe circuit is utilized to determine that the non-arcing switch and its associated circuitry are operating properly before a movable tap contact is transferred from one stationary tap to another. In the event that the fail-safe circuit detects an improper operation of the non-arcing switch, the source is connected directly to the load to preclude the passage of any load current through the tap-changing transformer. A particular form of transfer switch useful in effecting the connection of the source directly to the load employs a current-limiting impedance arrangement.

US Patent:

44893841, Dec 18, 1984

Filed:

Mar 1, 1982

Appl. No.:

6/353476

Inventors:

James R. Hurley - Brookfield WI
Clyde Gilker - Milwaukee WI

Assignee:

McGraw-Edison Company - Rolling Meadows IL

International Classification:

G01R 2726
G01R 1136
G08C 1936

US Classification:

364483

Abstract:

The electronic watt-hour meter (10) comprises an electro-optical watt-hour sensor (12) adapted to be coupled to a consumer's connection to a source of electric power for sensing voltage supplied to, and the current drawn by, the consumer's electric load and for producing output signals indicative of a quantity of watt-hours of power utilized by the consumer. In the meter (10) a microprocessor (22) is coupled to the sensor (12) for receiving output signals therefrom and a memory (29) is coupled to the microprocessor (22) for receiving and storing data. A power supply (24) supplies D. C. power to the microprocessor (22) and includes a clock signal generator to supply a 60 Hz. clock signal to the microprocessor (22). Also a visual display (30) is coupled to the microprocessor (22) for providing a readout of the power consumed since the last reading of the solid state watt-hour meter. The electro-optical sensor (12) includes a yoke (14) having a voltage core (62) and at least one current core (66 or 67), an induction disk (16) mounted for rotation in yoke (14), a voltage coil (64) in FIG.

US Patent:

40902250, May 16, 1978

Filed:

Jan 21, 1977

Appl. No.:

5/761011

Inventors:

Clyde Gilker - South Milwaukee WI
Arland D. Lamke - Franklin WI

Assignee:

McGraw-Edison Company - Elgin IL

International Classification:

H02H 722
H02P 1304

US Classification:

361 3

Abstract:

A tap-changing transformer system, utilized for voltage regulation of the line potential applied to a load from a source of energy, has a non-arcing switch to protect tap contacts during a tap change. A fail-safe circuit is utilized to determine that the non-arcing switch and its associated circuitry are operating properly before a movable tap contact is transferred from one stationary tap to another. In the event that the fail-safe circuit detects an improper operation of the non-arcing switch, the source is connected directly to the load to preclude the passage of any load current through the tap-changing transformer. A particular form of transfer switch useful in effecting the connection of the source directly to the load employs a current-limiting impedance arrangement.