Inventor

GUZMAN-CASILLAS ARMANDO

US60 patents

⚠️ This page may combine multiple inventors who share the name “GUZMAN-CASILLAS ARMANDO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GUZMAN-CASILLAS ARMANDO

SCHWEITZER ENGINEERING LAB INC

Protective relay with synchronized phasor measurement capability for use in electric power systems

Protective relay with synchronized phasor measurement capability for use in electric power systems

Restraint-type differential relay

System for protection zone selection in microprocessor-based relays in an electric power system

Fault location using traveling waves

Apparatus, method, and system for wide-area protection and control using power system data having a time component associated therewith

System for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transients

Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements

Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements

Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements

Power line parameter adjustment and fault location using traveling waves

Systems and methods for power swing and out-of-step detection using time stamped data

Apparatus and method for detecting the loss of a current transformer connection coupling a current differential relay to an element of a power system

Zero sequence voltage-polarized directional element for protective relays

Real-time power system oscillation detection using modal analysis

State and topology processor

Apparatus and method for providing protection for a synchronous electrical generator in a power system

Dynamically configurable relay element and related methods

Apparatus and method for estimating synchronized phasors at predetermined times referenced to an absolute time standard in an electrical system

Instantaneous overcurrent element for heavily saturated current in a power system

Voltage and current source selection system for use in the protection, automation and control of an electric power system

System for estimating the frequency of the power signal on a power transmission line

Restricted earth fault protection for transformers using a directional element

Protective relay having out-of-step logic capability

Fault location using traveling waves

Compensated inverse-time undervoltage load shedding systems

Time-domain distance line protection of electric power delivery systems

Time-domain differential line protection of electric power delivery systems

Automatically configurable intelligent electronic device

Time-domain directional line protection of electric power delivery systems

Fault location using traveling waves

Islanding detection in an electrical power delivery system

Phase selection for traveling wave fault detection systems

Detection of an electric power system fault direction using traveling waves

Time-domain line differential protection of electric power delivery systems

Electric power fault protection device using single-ended traveling wave fault location estimation

Traveling wave based single end fault location

Traveling wave based single end fault location

Phase and ground protection using tilt-limited adaptive quadrilateral characteristic

Detection of low-energy events in an electric power system

GONG YANFENG

Fault location in electric power delivery systems

Fault location in a non-homogeneous electric power line

CALERO JORGE FERNANDO

Electrical power system phase and ground protection using an adaptive quadrilateral characteristic

Electrical power system phase and ground protection using an adaptive quadrilateral characteristics

SCHWEITZER ENGINEERING LABS IN

System for power transformer differential protection

GUZMAN-CASILLAS ARMANDO

Symmetrical component amplitude and phase comparators for line protection using time stamped data

MYNAM MANGAPATHIRAO VENKATA

Fault location in electric power delivery systems

DONOLO MARCOS A

Distributed bus differential protection using time-stamped data

LABUSCHAGNE CASPER A

Minimizing circulating current using time-aligned data

SCHWEITZER EDMUND O III

State and topology processor