Andrew E. Carlson

INDEPENDENT TRANSISTOR GATE SEQUENCING FOR PRECISION ZERO-CROSS SHUTOFF

CIRCUIT BREAKER DEVICE WITH CURRENT SENSE TRANSFORMERS HAVING PRIMARY WINDING TURNS IN OPPOSING DIRECTIONS

MANAGING LEAKAGE CURRENT IN SOLID-STATE CIRCUIT BREAKERS WITH MULTIPLE LOAD-TO-LINE CONNECTIONS SWITCHED WITH MICROCONTROLLER UNITS

MANAGING LEAKAGE CURRENT IN SOLID-STATE CIRCUIT BREAKERS WITH MULTIPLE LOAD-TO-LINE CONNECTIONS

DETECTING WELDED RELAY CONTACTS USING SPANNER VOLTAGE MEASUREMENT

DETECTING WELDED RELAY CONTACTS USING CONTACT CLOSE TIME MEASUREMENT

DETECTING WELDED RELAY CONTACTS USING MEASUREMENT AFTER CURRENT BREAK

DETECTING WELDED RELAY CONTACTS USING ELECTRICAL PULSE

CIRCUIT BREAKER DEVICE WITH PRIMARY WINDING TURNS IN OPPOSING DIRECTIONS

Coordinating a sequence of opening and closing operations of poles in a solid-state circuit breaker

Hybrid circuit breaker with solid-state devices

Systems and methods for modifying solid-state breaker operations based on load profiles

Hybrid circuit breaker with solid state devices

SYSTEMS AND METHODS FOR DETECTING WELDED CONTACTS IN A SWITCH SYSTEM

Industrial circuit breaker

Predicting zero-crossings for point-on-wave (POW) switching techniques

Systems and methods for detecting welded contacts in an electromagnetic switch system

Systems and methods for controlling contactor bounce

Detecting a position of an armature in an electromagnetic actuator

Sensing properties of switching devices using back EMF measurements

Systems and methods for controlling contactor open time

Systems and methods for de-energized point-on-wave relay operations

Systems and methods for controlling contactor bounce

Relay coil drive circuit