Multi-phase simulation environment
View Patent ↗A Multi-Phase Simulation Environment (“MPSE”) is provided which simulates the conductor current and voltage or electric field of multiple phases of an electrical power distribution network to one or more sensing or measuring devices and includes independent control of wireless network connectivity for each sensing or measuring device, independent control of GPS RF to each device, and interface to a back-end analytics and management system.
1. A power grid simulation system, comprising:
a plurality of devices under test configured to measure electrical characteristics of a plurality of conductors;
a plurality of waveform generators, each coupled to a device under test of the plurality of devices under test;
a multi-phase simulation environment controller coupled to at least one of the plurality of waveform generators that initiates a trigger signal to one or more of the plurality of waveform generators to initiate a waveform selected from a waveform playlist;
wherein each of the plurality of waveform generators generates the waveform under a phase lock.
2. The power grid simulation system of claim 1 , the multi-phase simulation environment controller being a master waveform generator of the plurality of waveform generators.
3. The power grid simulation system of claim 1 , wherein each of the plurality of waveform generators share a synchronization signal to maintain the phase lock.
4. The power grid simulation system of claim 1 , the trigger signal being a SCPI command to a master waveform generator of the plurality of waveform generators.
5. The power grid simulation system of claim 4 , further comprising a TTL pulse transmitted from the master waveform generator to one or more slave waveform generators of the plurality of waveform generators, the TTL pulse based on the SCPI command.
6. The power grid simulation system of claim 1 , the trigger signal including a GPS derived pulse-per-second signal.
7. The power grid simulation system of claim 1 , further comprising a GPS distribution interface remotely located from and operatively coupled to each device under test and configured to transmit GPS signal to each device under test.
8. The power grid simulation system of claim 1 , wherein each device under test is electrically isolated.
9. The power grid simulation system of claim 1 , wherein each device under test is housed inside an RF-isolating metal enclosure.
10. The power grid simulation system of claim 9 , wherein the RF-isolating metal enclosure is lined with RF absorption material.
11. The power grid simulation system of claim 9 , wherein the RF-isolating metal enclosure further comprises individual control of WAN and GPS access for the respective device under test.
12. The power grid simulation system of claim 9 , wherein the RF isolating enclosure further comprises signal pass-throughs for at least one of (a) conductor current, (b) E-field signals, (c) voltage signals, (d) WAN RF, (d) GPS RF, (e) USB, (f) RS-232, and (g) DC power.
13. The power grid simulation system of claim 1 , wherein the electrical coupling between a waveform generator and a device under test further comprises an electronic interface selected from the group of electrical interfaces including: a current amplifier, a current amplifier that drives a Rogowski coil, a voltage amplifier, a balun, a differential amplifier, and a direct test input requiring simulated Rogowski coil output.
14. The power grid simulation system of claim 1 , further comprising one or more oscilloscopes coupled to outputs of each of the plurality of waveform generators to measure output signals therefrom.
15. A power grid simulation method, comprising:
receiving, at one or more of a plurality of waveform generators, a trigger signal to initiate a waveform selected from a waveform playlist, each of the plurality of waveform generators coupled to a respective device under test of a plurality of devices under test, each device under test coupled to a separate conductor of a plurality of conductors of the power grid;
generating the waveform while operating under phase lock with others of the plurality of waveform generators.
16. The power grid simulation method of claim 15 , the receiving including receiving the trigger signal at a master waveform generator, of the plurality of waveform generators, from a multi-phase simulation environment controller.
17. The power grid simulation method of claim 15 , wherein each of the plurality of waveform generators share a synchronization signal to maintain the phase lock.
18. The power grid simulation method of claim 15 , the trigger signal including a SCPI command.
19. The power grid simulation method of claim 18 , further comprising transmitting a TTL pulse to one or more slave waveform generators of the plurality of waveform generators, the TTL pulse based on the SCPI command.
20. The power grid simulation system of claim 1 , the trigger signal including a GPS derived pulse-per-second signal.