WO2023141190A1 - Modular and scalable power distribution system - Google Patents
Modular and scalable power distribution system Download PDFInfo
- Publication number
- WO2023141190A1 WO2023141190A1 PCT/US2023/011115 US2023011115W WO2023141190A1 WO 2023141190 A1 WO2023141190 A1 WO 2023141190A1 US 2023011115 W US2023011115 W US 2023011115W WO 2023141190 A1 WO2023141190 A1 WO 2023141190A1
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- Prior art keywords
- power
- module
- power distribution
- modules
- modular
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
- H01R25/161—Details
- H01R25/162—Electrical connections between or with rails or bus-bars
Definitions
- the present invention relates generally to power distribution systems and more specifically a modular power distribution system that combines the best features of a Power Bus system and a point-to-point wiring system.
- the power from the electric utility must be distributed efficiently to IT Equipment contained within Cabinets in Data Centers (or in Enterprise or Industrial settings). This power is typically distributed in 3-phase Delta or Wye configurations to each of tire cabinets. Tire power is then connected to the Cabinet's Rack-PDU (Power Distribution Unit) where the pow er is distributed to each of the IT-Equipment. Today's methods of distributing this power are designed specifically for the particular application.
- power first enters a facility from the electric utility at a high voltage level (typically 35kV), where it is first stepped down to a low voltage (e.g., 480 VAC) and routed to a Mains Switch Gear.
- a high voltage level typically 35kV
- a low voltage e.g., 480 VAC
- the power is typically stepped down again to either 415 or 208 prior to or within the distribution cabinets.
- the distribution cabinets than route power to each of the PDU's where it is further distributed to the cabinets containing IT- Equipment.
- FIG. 2 A shows a block diagram of a power bus method of distributing powder to each cabinet's rack-based PDU.
- Power Bus systems are typically routed above the cabinets only.
- the rack-based PDU(s) connects to a “Tap-Off-Point” box that is connected to the power bus.
- Tap-off-points are required to contain a breaker and optionally can have a power measurement capability.
- Figure 2.B shows a block diagram of a point-to-point wiring power distribution system. Power cables run from each of the rack-based PDUs to either a power distribution cabinet or a remote power panel.
- the point-to-point wiring can be either overhead or under floor (as shown).
- a modular power distribution system includes using power extension modules and power distribution modules.
- the power extension modules are configured to route inputted power to another powder extension module or a power distribution module.
- the power distribution modules are configured to route power from a pow er extension module to one or more racks or cabinets in a data center.
- the modular power distribution system can also include power feed modules and/or breaker modules.
- Fig. 1 shows a block diagram on how power is distributed in a data center.
- Fig. 2 A shows how power is distributed to cabinets using a Power Bus system.
- Fig. 2B shows how power is distributed to cabinets using point-to-point wiring.
- FIG. 3A shows a modular power distribution system according to the present invention.
- Fig. 3B shows the power distribution panel for the system of Fig. 3A.
- Fig. 3C shows the power distribution and power extension modules for the system of Fig. 3A.
- Fig. 4A shows the power distribution module waring.
- Fig. 4B shows the power extension module wiring.
- Fig. 5A shows the breaker module.
- Fig. 5B shows the power feed module.
- Fig, 6 the overall system (i) and power feed panel (ii) of a second embodiment of a modular power distribution system.
- Fig. 7 is a chart showing the contact arrangement for the various modules.
- Fig. 8 show s isometric views of the male and female contact housings.
- Fig. 9 shows the UL 857 Finger Probe.
- Fig. 10 is a cross-sectional view showing staggered contacts in the female housing.
- Fig. 11 is a cross sectional view showing the engagement of the contacts between the male and female housings.
- Fig. 12A is a cross sectional view showing the creepage and clearance distances of a mated connector.
- Fig. 12B is a chart showing the minimum creepage and clearance distances from UL 587.
- Fig. 13 shows the power connectors being used to electrically connect two modules.
- Fig. 14 shows the components in a mechanical coupling mechanism to connect two modules.
- Fig. 15 is an exploded view of the coupling mechanism of Fig. 14.
- Fig. 16 shows an embodiment of a coupling mechanism similar to the one of Fig. 14 but with alignment/support bars.
- Fig. 17 shows the sequence of steps in securing the coupling mechanism of Fig. 14.
- Fig. 18 show s two modules coupled together through the coupling mechanism of Fig. 14.
- FIG. 3A A novel technique of distributing power is shown in Figure 3A.
- This technique combines the best features of the Power Bus method and the best features of point-to-point wiring method.
- This technique offers a modular and scalable solution for the distribution of power.
- Each of the rack-based PDUs plug into a Power Distribution module.
- the Power Distribution module is equipped with outlets where a multiple of Rack -PDUs can plug into (a preferred number is three or four).
- the Power Distribution Module can contain branch circuit power monitoring circuitry’).
- the Power Extension Modules do not have any outlets and its primary purpose is serve as interface between the Breaker Module and Power Distribution Module.
- the Power Extension Modules can transport the branch circuit monitoring information form the Power Distribution Modules back to the Power Feed panel).
- the Power Distribution module connects to as many of the Power Extension modules as necessary to transfer power from the power distribution panel back to the Power Feed Panel(see Figure 3A). These Power Distribution and Extension modules are connectorized at the ends to plug into one another as well as plugging into the breaker module within the power distribution panel (see Figure 3C and further shown in Figures 4A and 4B).
- the Power Distribution panel is shown in Figure 3B and further shown in Figures 5A and 5B. It is a modular and scalable system composing of two modules: the power feed module and the breaker module.
- the power feed module connects to the main power feed cable (typically a 3- phase delta or wye configuration) and to the breaker modules.
- the power feed module can contain a high-power breaker for the main power feed (and optionally a display panel to indicate the power levels being drawn from the main power feed).
- the breaker modules can tap into the power from the power feed module and connect to other breaker module s and either the power distribution or extension modules.
- the breaker module contains a current breaker for each of the power lines connecting to the rack-based PDUs (three 3-phase breakers are shown in Figure 3C) and an optional display panel to indicate the power levels in each rack- PDU that it is connected to. Note the function of the Breaker module can be integrated into the power Distribution modules and the Extension modules.
- the technique provides the flexibility, scalability, and modularity of a Power Bus system at the cost of a point-to-point system.
- Figures 4A and 4B describes the wiring for both the power distribution and extension modules.
- Figure 4A shows the wiring diagram for the power distribution module which connects the end connector to each of the PDU connectors.
- Figure 4B shows the wiring diagram for the power extension module which connects the two end connectors together.
- PFM Power Feed Module
- PFM Power Feed Module
- the main power feed cable is fed into the PFM and power is distributed within to the end connectors and eventually to the connected Power Extension Module (PEM) and Power Distribution Module (PDM).
- PEM Power Extension Module
- PDM Power Distribution Module
- the PFM can be scaled. In this example, 8 cabinets are powered by the system; hence two rows of PEM/PDM combination is shown.
- Power Extension Module and Power Distribution Module (PPM): In this embodiment shown with 8 cabinets ( Figure 6), Power Distribution Module is equipped with 4 circuit breakers and 4 outlet housings where Rack-PDUs can plug into ( # of outlet housings/circuit breakers can be increased or decreased in other embodiments according to the number cabinets being powered by one PDM). Since the Outlet Housings are modular, different Outlet Housings can be used depending on the equipment that is being powered. Power Extension Module is equipped with 4 circuit breakers in this embodiment and could have more or fewer depending on the cabinets being powered by PDM. Subsequent PDM connected to PEM will not have circuit breakers.
- PFM for a layout w ith number of cabinets higher than 8, PFM can be scaled up along with increasing the # of PEMs and PDMs. For a 4-cabinet. layout, PEM will not be used.
- PEMs and PDMs are not restricted to any particular cabinet widths. Different length of PEMs and PDMs can be made to match the cabinet widths as well as “spacer” PEMs to accommodate in-row deployments such as vertical managers, in-row coolers, etc. that do not require an electrical outlet.
- this design can be adapted to provide power to non-IT equipment that are outside cabinets as well; for example, by using a different Outlet Housings.
- Connectorizing these different modules such as Power Feed Module, Power Extension Module and Power Distribution Module is one of the key aspects of this design. In order to achieve this, power connector with multiple contact terminals will be used to make the necessary electrical connections between different modules.
- each power distribution module provides power to 4 cabinets thereby requiring 18 contact terminals as shown in Fig 7 (4 contacts each for Phase X, Y, Z, Neutral and 2 shared grounds).
- the connector housing was developed to house all 18 contacts.
- a commonly available type of contact terminals are used.
- Plastic housings could be designed appropriately for different type of terminal contacts.
- multitude of contact terminals and thereby their corresponding phases, neutral and ground are laid in a specific manner such that symmetry' is accomplished. As a result, the power connector does not require a certain orientation and greatly aids during the assembly process and minimize error.
- the connector housing is designed to ensure the following:
- Ground contact safety Ground receptacle contacts in the female housings (Fig 10) are positioned ahead of live contacts such that ground contacts are the first to engage and last to disconnect.
- Connector housing is designed to meet the required creepage and clearance as required by UL857 as shown in Fig 12.
- a new mechanism is developed as detailed in this document that enables insertion and removal of one module into another easier.
- This mechanism can be used with any regular tool such as nut driver, ratchet or it could be also used with aid of a power tool .
- the end of Power Distribution Modules, Power Extension Modules and Power Feed Modules are connectorized using the power connectors.
- An example of the power modules with power connectors which would be engaged is shown in Fig. 13.
- Step 1 Power modules are first aligned with each other.
- Step 2 Driving nut is rotated using a simple tool such as nut driver or ratchet. As the nut is driven, the wedge moves in the Y direction, engages the Receiver and slides in the X direction, thereby moving and inserting one power module into the other.
- a simple tool such as nut driver or ratchet.
- Step 3 At end of the travel, both the power modules and all the contact terminals will be fully engaged and locked in place as shown in Fig. 6.
- steps 1, 2, and 3 are done in reverse order. There is a certain amount of insertion force requirement when mating the male/female terminals to create the connection. Insertion force for a single terminal could be approximately ⁇ 101bs. With multitude of terminals within the power connector being used (18 terminals in this embodiment) to power numerous IT equipment, connecting male and female connectors would require significant amount of force, A coupling mechanism was designed that would provide a mechanical advantage to the installer such that modules with multiple terminals are connected with simple tools (ex: nut driver) without any special tooling.
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Abstract
A modular power distribution system includes using power extension modules and power distribution modules. The power extension modules are configured to route inputted power to another power extension module or a power distribution module. The power distribution modules are configured to route power from a power extension module to one or more racks or cabinets in a data center.
Description
MODULAR AND SCALABLE POWER DISTRIBUTION SYSTEM
Cross Reference to Related Application(s)
[0001] This application is a continuation-in-part of U.S. Patent Application Serial No. 17/465,097, filed September 2, 2021 and also claims the benefit of U.S. Provisional Patent Application Serial No. 63/076,430, filed September 10, 2020; U.S. Provisional Patent Application Serial No. 63/301,521, filed January 21, 2022; U.S. Provisional Patent Application Serial No. 63/315,184, filed March 01, 2022; and U.S. Provisional Patent Application Serial No. 63/345,138, filed May 24, 2022, the entirety of which is hereby incorporated by reference herein.
Field of the Invention
[0002] The present invention relates generally to power distribution systems and more specifically a modular power distribution system that combines the best features of a Power Bus system and a point-to-point wiring system.
Background
[0003] The power from the electric utility must be distributed efficiently to IT Equipment contained within Cabinets in Data Centers (or in Enterprise or Industrial settings). This power is typically distributed in 3-phase Delta or Wye configurations to each of tire cabinets. Tire power is then connected to the Cabinet's Rack-PDU (Power Distribution Unit) where the pow er is distributed to each of the IT-Equipment. Today's methods of distributing this power are designed specifically for the particular application.
[0004] As shown in Fig. 1 , power first enters a facility from the electric utility at a high voltage level (typically 35kV), where it is first stepped down to a low voltage (e.g., 480 VAC) and routed to a Mains Switch Gear. Here a selection between the Utility power or a backup generator is selected. After the switch gear, the power is typically stepped down again to either 415 or 208 prior to or within the distribution cabinets. The distribution cabinets than route
power to each of the PDU's where it is further distributed to the cabinets containing IT- Equipment.
[0005] Once the power is routed to the Data Hall's PDU, traditionally it has been distributed to the cabinets containing IT-Equipment by either point to point w iring or through a power bus method (see Figure 2 below). Figure 2 A shows a block diagram of a power bus method of distributing powder to each cabinet's rack-based PDU. Power Bus systems are typically routed above the cabinets only. The rack-based PDU(s) connects to a “Tap-Off-Point” box that is connected to the power bus. These Tap-off-points are required to contain a breaker and optionally can have a power measurement capability. Some of the drawbacks of a power bus system is the material cost of the equipment, the installation cost, and the consultative services required to design the power distribution system.
[0006] Figure 2.B shows a block diagram of a point-to-point wiring power distribution system. Power cables run from each of the rack-based PDUs to either a power distribution cabinet or a remote power panel. The point-to-point wiring can be either overhead or under floor (as shown). Some of the drawbacks of a point-to-point wiring method of power distribution include initial installation cost and the cost of making changes to the system.
Summary
[0007] A modular power distribution system includes using power extension modules and power distribution modules. The power extension modules are configured to route inputted power to another powder extension module or a power distribution module. The power distribution modules are configured to route power from a pow er extension module to one or more racks or cabinets in a data center. In one embodiment, the modular power distribution system can also include power feed modules and/or breaker modules.
Brief Description of the Figures
[0008] Fig. 1 shows a block diagram on how power is distributed in a data center.
[0009] Fig. 2 A shows how power is distributed to cabinets using a Power Bus system.
[0010] Fig. 2B shows how power is distributed to cabinets using point-to-point wiring.
[0011] Fig. 3A shows a modular power distribution system according to the present invention.
[0012] Fig. 3B shows the power distribution panel for the system of Fig. 3A.
[0013] Fig. 3C shows the power distribution and power extension modules for the system of Fig. 3A.
[0014] Fig. 4A shows the power distribution module waring.
[0015] Fig. 4B shows the power extension module wiring.
[0016] Fig. 5A shows the breaker module.
[0017] Fig. 5B shows the power feed module.
[0018] Fig, 6 the overall system (i) and power feed panel (ii) of a second embodiment of a modular power distribution system.
[0019] Fig. 7 is a chart showing the contact arrangement for the various modules.
[0020] Fig. 8 show s isometric views of the male and female contact housings.
[0021] Fig. 9 shows the UL 857 Finger Probe.
[0022] Fig. 10 is a cross-sectional view showing staggered contacts in the female housing.
[0023] Fig. 11 is a cross sectional view showing the engagement of the contacts between the male and female housings.
[0024] Fig. 12A is a cross sectional view showing the creepage and clearance distances of a mated connector.
[0025] Fig. 12B is a chart showing the minimum creepage and clearance distances from UL 587.
[0026] Fig. 13 shows the power connectors being used to electrically connect two modules.
[0027] Fig. 14 shows the components in a mechanical coupling mechanism to connect two modules.
[0028] Fig. 15 is an exploded view of the coupling mechanism of Fig. 14.
[0029] Fig. 16 shows an embodiment of a coupling mechanism similar to the one of Fig. 14 but with alignment/support bars.
[0030] Fig. 17 shows the sequence of steps in securing the coupling mechanism of Fig. 14. [0031] Fig. 18 show s two modules coupled together through the coupling mechanism of Fig. 14.
Detailed Description of the Invention
[0032] A novel technique of distributing power is shown in Figure 3A. This technique combines the best features of the Power Bus method and the best features of point-to-point wiring method. This technique offers a modular and scalable solution for the distribution of power. Each of the rack-based PDUs plug into a Power Distribution module. 'The Power Distribution module is equipped with outlets where a multiple of Rack -PDUs can plug into (a preferred number is three or four). (Additionally, the Power Distribution Module can contain branch circuit power monitoring circuitry’). The Power Extension Modules do not have any outlets and its primary purpose is serve as interface between the Breaker Module and Power Distribution Module. (Additionally, the Power Extension Modules can transport the branch circuit monitoring information form the Power Distribution Modules back to the Power Feed panel). The Power Distribution module connects to as many of the Power Extension modules as necessary to transfer power from the power distribution panel back to the Power Feed Panel(see Figure 3A). These Power Distribution and Extension modules are connectorized at the ends to plug into one another as well as plugging into the breaker module within the power distribution panel (see Figure 3C and further shown in Figures 4A and 4B). The Power Distribution panel is shown in Figure 3B and further shown in Figures 5A and 5B. It is a
modular and scalable system composing of two modules: the power feed module and the breaker module. The power feed module connects to the main power feed cable (typically a 3- phase delta or wye configuration) and to the breaker modules. The power feed module can contain a high-power breaker for the main power feed (and optionally a display panel to indicate the power levels being drawn from the main power feed). The breaker modules can tap into the power from the power feed module and connect to other breaker module s and either the power distribution or extension modules. The breaker module contains a current breaker for each of the power lines connecting to the rack-based PDUs (three 3-phase breakers are shown in Figure 3C) and an optional display panel to indicate the power levels in each rack- PDU that it is connected to. Note the function of the Breaker module can be integrated into the power Distribution modules and the Extension modules.
[0033] The advantages of this power distribution method are:
· Lower part cost and simpler design;
· A lower cost of installation;
· Ease of installation and ease of scalability to larger systems; and
· No consultative services required for the system design.
[0034] The technique provides the flexibility, scalability, and modularity of a Power Bus system at the cost of a point-to-point system.
[0035] Figures 4A and 4B describes the wiring for both the power distribution and extension modules. Figure 4A shows the wiring diagram for the power distribution module which connects the end connector to each of the PDU connectors. Figure 4B shows the wiring diagram for the power extension module which connects the two end connectors together.
[0036] A second embodiment which uses modular outlets in the power distribution module is shown in Fig. 6 and described.
1. Power Feed Module (PFM): PFM is designed to work with various 3 -phase power configurations from building such as 208V Delta, 208V Wye or 415V Wye. The main power feed cable is fed into the PFM and power is distributed within to the end connectors and eventually to the connected Power Extension Module (PEM) and Power Distribution Module (PDM). Depending on the number of cabinets that need power, the PFM can be scaled. In this example, 8 cabinets are powered by the system; hence two rows of PEM/PDM combination is shown.
2. Power Extension Module (PEM) and Power Distribution Module (PPM): In this embodiment shown with 8 cabinets (Figure 6), Power Distribution Module is equipped with 4 circuit breakers and 4 outlet housings where Rack-PDUs can plug into ( # of outlet housings/circuit breakers can be increased or decreased in other embodiments according to the number cabinets being powered by one PDM). Since the Outlet Housings are modular, different Outlet Housings can be used depending on the equipment that is being powered. Power Extension Module is equipped with 4 circuit breakers in this embodiment and could have more or fewer depending on the cabinets being powered by PDM. Subsequent PDM connected to PEM will not have circuit breakers.
[0037] As mentioned for PFM, for a layout w ith number of cabinets higher than 8, PFM can be scaled up along with increasing the # of PEMs and PDMs. For a 4-cabinet. layout, PEM will not be used.
[0038] PEMs and PDMs are not restricted to any particular cabinet widths. Different length of PEMs and PDMs can be made to match the cabinet widths as well as “spacer” PEMs to accommodate in-row deployments such as vertical managers, in-row coolers, etc. that do not require an electrical outlet.
[0039] In different embodiments, this design can be adapted to provide power to non-IT equipment that are outside cabinets as well; for example, by using a different Outlet Housings.
[0040] Connectorizing these different modules such as Power Feed Module, Power Extension Module and Power Distribution Module is one of the key aspects of this design. In order to achieve this, power connector with multiple contact terminals will be used to make the necessary electrical connections between different modules.
[0041] In one implementation of such a design, each power distribution module provides power to 4 cabinets thereby requiring 18 contact terminals as shown in Fig 7 (4 contacts each for Phase X, Y, Z, Neutral and 2 shared grounds). As a result, the connector housing was developed to house all 18 contacts. In this embodiment, a commonly available type of contact terminals are used. Plastic housings could be designed appropriately for different type of terminal contacts. Within the power connector, multitude of contact terminals and thereby their corresponding phases, neutral and ground are laid in a specific manner such that symmetry' is accomplished. As a result, the power connector does not require a certain orientation and greatly aids during the assembly process and minimize error.
[0042] The connector housing is designed to ensure the following:
1 - Finger-safety: The opening in the female housing (as shown in Fig .8) and placement of the receptable contacts within the housing is designed such that it is compliant to Section 7.4.6 in UL 857 (Fig. 9). The male contacts are not energized until they' have engaged with the female power connector.
2. Ground contact safety: Ground receptacle contacts in the female housings (Fig 10) are positioned ahead of live contacts such that ground contacts are the first to engage and last to disconnect.
3- Reduction in the connector insertion force: Individual contacts have considerable insertion force ( ~10lbs) thereby reducing the contact resistance. In order to reduce the amount of insertion force during installation, contacts are staggered (Fig 11) in three stages such that only few contacts are inserted at a time rather than all contacts in one
stage. This arrangement creates different timing in response to the peak force of each stage. In this current embodiment, total of 18 contacts would have required approximately 1801bs. and by designing three stages of insertion, required insertion force is reduced at each stage.
4. Creepage and clearance distances are maintained: Connector housing is designed to meet the required creepage and clearance as required by UL857 as shown in Fig 12.
[0043] A new mechanism is developed as detailed in this document that enables insertion and removal of one module into another easier. This mechanism can be used with any regular tool such as nut driver, ratchet or it could be also used with aid of a power tool . The end of Power Distribution Modules, Power Extension Modules and Power Feed Modules are connectorized using the power connectors. An example of the power modules with power connectors which would be engaged is shown in Fig. 13.
[0044] The mam parts of tire mechanism are Wedge, Driving Nut and Stud (part of the inserting module), and Receiver (part of receiving module) as shown in Fig. 14 and Fig. 15. An alignment/support bar (Fig. 16) would be used to aid the insertion process. AS follows:
Step 1 : Power modules are first aligned with each other.
Step 2: Driving nut is rotated using a simple tool such as nut driver or ratchet. As the nut is driven, the wedge moves in the Y direction, engages the Receiver and slides in the X direction, thereby moving and inserting one power module into the other.
Step 3: At end of the travel, both the power modules and all the contact terminals will be fully engaged and locked in place as shown in Fig. 6.
[0045] To separate the two power modules, steps 1, 2, and 3 are done in reverse order. There is a certain amount of insertion force requirement when mating the male/female terminals to create the connection. Insertion force for a single terminal could be approximately ~101bs. With multitude of terminals within the power connector being used (18 terminals in this
embodiment) to power numerous IT equipment, connecting male and female connectors would require significant amount of force, A coupling mechanism was designed that would provide a mechanical advantage to the installer such that modules with multiple terminals are connected with simple tools (ex: nut driver) without any special tooling.
[0046] While exemplary embodiments are described above, it is not intended that these embodiments describe all possible forms of the invention. Rather, the words used m the specification are words of description rather than limitation, and it is understood that various changes may be made without departing from the spirit and scope of the invention. Additionally, the features of various implementing embodiments may be combined to form further embodiments of the invention.
Claims
1 . A modular system for the distribution of power comprising: a power extension module configured to route inputted power to one of a second power extension module or a power distribution module; and a power distribution module configured to route power from a power extension module to a rack or cabinet wherein the power extension module and power distribution module have electrical connections on the ends of the modules each configured to connect to either a power extension module or a power distribution module.
2. The modular system of claim 1 further comprising a power feed module.
3. The modular system of claims 2 further comprising a breaker module.
4. The modular system of claim 1 wherein the connections are further configured to be symmetrical
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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US202263301521P | 2022-01-21 | 2022-01-21 | |
US63/301,521 | 2022-01-21 | ||
US202263315184P | 2022-03-01 | 2022-03-01 | |
US63/315,184 | 2022-03-01 | ||
US202263345138P | 2022-05-24 | 2022-05-24 | |
US63/345,138 | 2022-05-24 | ||
US17/898,976 | 2022-08-30 | ||
US17/898,976 US20230209763A1 (en) | 2020-09-10 | 2022-08-30 | Modular and scalable power distribution |
Publications (1)
Publication Number | Publication Date |
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WO2023141190A1 true WO2023141190A1 (en) | 2023-07-27 |
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PCT/US2023/011115 WO2023141190A1 (en) | 2022-01-21 | 2023-01-19 | Modular and scalable power distribution system |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120092811A1 (en) * | 2008-03-26 | 2012-04-19 | Zonit Structured Solutions, Llc | Power distribution systems and methodology |
CN203871667U (en) * | 2014-05-15 | 2014-10-08 | 上海华东电脑***工程有限公司 | Bus type modularization power supply distribution structure |
US20150380917A1 (en) * | 2014-06-25 | 2015-12-31 | Amazon Technologies, Inc. | Power busway interposer |
-
2023
- 2023-01-19 WO PCT/US2023/011115 patent/WO2023141190A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120092811A1 (en) * | 2008-03-26 | 2012-04-19 | Zonit Structured Solutions, Llc | Power distribution systems and methodology |
CN203871667U (en) * | 2014-05-15 | 2014-10-08 | 上海华东电脑***工程有限公司 | Bus type modularization power supply distribution structure |
US20150380917A1 (en) * | 2014-06-25 | 2015-12-31 | Amazon Technologies, Inc. | Power busway interposer |
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