Current inputs interface for an electrical device
View Patent ↗According to an aspect of the present disclosure, an electrical power meter, is disclosed. The electrical power meter includes a housing for containing electrical circuitry therein, the housing including at least one of voltage and current inputs, the housing including passages extending entirely therethrough, wherein the passages are configured to receive a CT lead therethrough, and wherein the CT leads are not electrically connected to the electrical circuitry therein; and a face plate operatively supported on a surface of the housing, wherein the face plate includes at least one of displays, indicators and buttons. It is envisioned that the through passages are located along a side of the housing.
1. An electrical power meter comprising:
a housing for containing electrical circuitry for measuring power usage therein, the electrical circuitry including a digital sampler configured for sampling at least one voltage waveform and at least one current waveform and a processor configured to generate power consumption information from the at least one voltage and current waveforms;
wherein the housing includes at least one voltage input and at least one current input coupled to the digital sampler, the at least one current input being configured as at least one passage extending entirely through the housing, wherein the at least one passage is configured to receive at least one CT lead therethrough, and wherein said at least one CT lead extends through the at least one passage of the housing un-connected to any electrical component of said electrical circuitry for measuring power usage.
2. The electrical power meter according to claim 1 , further comprising a first interface disposed on the housing for connection to a master and/or a slave device.
3. The electrical power meter according to claim 2 , further comprising a second interface disposed on the housing for communicating to another device.
4. The electrical power meter according to claim 1 , further comprising a face plate operatively supported on a surface of the housing, wherein the face plate includes at least one of displays, indicators and buttons.
5. The electrical power meter according to claim 4 , further comprising a communication interface disposed on the face plate.
6. The electrical power meter according to claim 5 , wherein the communication interface is a wireless communication port.
7. The electrical power meter according to claim 5 , further comprising a second communication interface disposed on a surface of the housing other than the face plate.
8. The electrical power meter according to claim 7 , wherein the second communication interface is a network card interface.
9. The electrical power meter according to claim 7 , wherein the second communication interface is a modem.
10. The electrical power meter according to claim 4 , wherein the housing is generally rectangular and defines a front and rear surface, a top and bottom surface and a right and left surface, wherein the face plate is disposed on the front surface.
11. The electrical power meter according to claim 10 , further comprising a first communication interface disposed on the face plate and a second communication interface disposed on the rear surface.
12. The electrical power meter according to claim 1 , further comprising at least one elongate, electrically conductive plate configured for selective positioning within the at least one passage of the housing, wherein each plate includes a first end and a second end extending from the at least one passage of the housing when the plates are positioned therein.
13. The electrical power meter according to claim 12 , wherein each end of the at least one plate is configured for selective connection of a lug of a CT lead thereto.
14. The electrical power meter according to claim 1 , wherein the electrical power meter is configured for connection as at least one of a three-phase, four-wire system wye with direct voltage, 3 element; a three-phase, four-wire system wye with direct voltage, 2.5 element; a three-phase, four-wire wye with PTs, 3 element; a three-phase, four-wire wye with PTs, 2.5 element; a three-phase, three-wire delta with direct voltage; and a three-phase, three-wire delta with PTs.
15. The electrical power meter according to claim 1 , wherein the housing is configured for ANSI and DIN mounting.
16. An electrical power meter comprising:
a housing for containing electrical circuitry for measuring power usage therein, the electrical circuitry including a digital sampler configured for sampling at least one voltage waveform and at least one current waveform and a processor configured to generate power consumption information from the at least one voltage and current waveforms;
a display that provides a visual indication utilizing at least three lines of measured parameters;
a first communication port to provide the measured and generated information over a network;
wherein the housing includes at least one voltage input and at least one current input coupled to the digital sampler, the at least one current input being configured as at least one passage extending entirely through the housing, wherein the at least one passage is configured to receive at least one CT lead therethrough, and wherein said at least one CT lead extends through the at least one passage of the housing un-connected to any electrical component of said electrical circuitry for measuring power usage.
17. The electrical power meter according to claim 16 , further comprising at least one elongate, electrically conductive plate configured for selective positioning within the at least one passage of the housing, wherein each plate includes a first end and a second end extending from the at least one passage of the housing when the plates are positioned therein.
18. The electrical power meter according to claim 17 , wherein the elongate plate has terminations for current transformer inputs.
19. The electrical power meter according to claim 17 , wherein the display includes light emitting diodes and s second front mounted communication port.
20. The electrical power meter according to claim 19 , wherein the second communication port is wireless.