Abstract: A system includes a monitoring and/or protection system that includes an insulation derivation circuit. The insulation derivation circuit is configured to derive a first temperature compensation curve based on a first temperature and a first current, and the monitoring and/or protection system is configured to communicatively couple to a first current sensor configured to sense the first current traversing a first phase of a stator winding of a motor, a generator, or a combination thereof. The insulation derivation circuit is also configured to communicatively couple to a first temperature sensor configured to sense the first temperature of the stator when the stator is energized, and the temperature compensation curve is configured to map a temperature to a leakage dissipation factor.

Abstract: A system includes a monitoring and/or protection system that includes an insulation derivation circuit. The insulation derivation circuit is configured to derive a first temperature compensation curve based on a first temperature and a first current, and the monitoring and/or protection system is configured to communicatively couple to a first current sensor configured to sense the first current traversing a first phase of a stator winding of a motor, a generator, or a combination thereof. The insulation derivation circuit is also configured to communicatively couple to a first temperature sensor configured to sense the first temperature of the stator when the stator is energized, and the temperature compensation curve is configured to map a temperature to a leakage dissipation factor.

Abstract: A system includes a monitoring and/or protection system that includes an insulation derivation circuit. The insulation derivation circuit is configured to derive a first temperature compensation curve based on a first temperature and a first current, and the monitoring and/or protection system is configured to communicatively couple to a first current sensor configured to sense the first current traversing a first phase of a stator winding of a motor, a generator, or a combination thereof. The insulation derivation circuit is also configured to communicatively couple to a first temperature sensor configured to sense the first temperature of the stator when the stator is energized, and the temperature compensation curve is configured to map a temperature to a leakage dissipation factor.

Abstract: A system includes a monitoring and/or protection system that includes an insulation derivation circuit. The insulation derivation circuit is configured to derive a first temperature compensation curve based on a first temperature and a first current, and the monitoring and/or protection system is configured to communicatively couple to a first current sensor configured to sense the first current traversing a first phase of a stator winding of a motor, a generator, or a combination thereof. The insulation derivation circuit is also configured to communicatively couple to a first temperature sensor configured to sense the first temperature of the stator when the stator is energized, and the temperature compensation curve is configured to map a temperature to a leakage dissipation factor.

Abstract: A container for temporarily holding and storing a wet paintbrush will maintain the paintbrush in a useful condition for a limited period of time up to several days. The container has the shape of a hollow, substantially rectangular box. The container is formed from two shallow, rectangular members that are hingedly attached to each other along respective longitudinal edges of the rectangular members. The two shallow members open so as to allow positioning a paintbrush therein, and the shallow members can be closed upon each in clam shell fashion to close the container. An opening is provided in the top wall of the container to allow the handle of a paintbrush to extend from the container. Each shallow member has a layer of closed cell foam material positioned along the inside of the upper wall of the shallow member.

Abstract: A rotary regenerative heat exchange device has a rotor of heat absorbent element 19 that is exposed alternately to hot and cold fluid in order that heat from the hot fluid may be transferred to the cold fluid. The rotor is surrounded by a housing 22 including a sector plate 42 at opposite ends of the rotor that separates the hot from the cold fluid. The sector plate is forced to correspond to thermal distortion of the rotor to preclude fluid leakage therebetween. A unique fiber optic sensing device 58 utilizes a beam of infrared rays that detects excess clearance space between the rotor and the adjacent sector plate to actuate means that provides suitable corrective measures.