Presentation is loading. Please wait.

Presentation is loading. Please wait.

The Necessity for LVDC Power in Home Entertainment

Similar presentations

Presentation on theme: "The Necessity for LVDC Power in Home Entertainment"— Presentation transcript:

1 The Necessity for LVDC Power in Home Entertainment
Michael Stelts, IEC TC100 1 1

2 Agenda Home entertainment runs on DC power IEC work on LVDC
Panasonic’s perspective

3 Multimedia Products Run on DC
External AC/DC converter (AC adapters) Internal AC/DC converter Internal/External AC/DC converter with Battery

4 DC Power for Products Saves Energy
Grid Distribution Equipment Equipment AC Utility AC120V AC wiring Low DC P.S. 30% Loss Equipment DC AC DC wiring Utility AC120V efficient converter 8% Loss Low DC Ps converter 2% Loss AC adaptors for each product are eliminated Conversion loss is decreased by batch feeding DC power

5 Small Efficiency Improvements Matter
115M US households (Census Bureau estimate) 8hr/day US household viewing (OECD, 2005) 180W 40” LCD (Sony, 2011) Roughly 166 GW·hr/day consumed by US TVs. If DC distribution saves 8%, that’s 13 GW·hr/day. Nearest power utility to meeting: Potomac River Station Nameplate capacity = 514MW Output/day = 12.3GW·hr/day Energy savings > plant output

6 Power Generation is Migrating to DC
Renewable energy systems Solar power Fuel cells Reserve Power Home battery storage PEV storage Household generation uses DC Household products use DC

7 DC Sources Create Greater Efficiency
Now: Many AC/DC converters Energy Generators AV Equipment DC⇒AC AC ⇒DC DC ⇒AC AC ⇒DC AC ⇒DC Battery AC ⇒DC AC ⇒DC AC ⇒DC Goal: Direct DC distribution Energy Generators AV Equipment AC ⇒DC Battery DC AC

8 LVDC for Entertainment Systems
Upper limit = 60V to eliminate shock hazard* Lower limit = 24V for SSL lighting** High voltage needed for longer wire runs Example home entertainment system 43A @5VDC 42” LCD:188W DVD:28W (energy saving efficiency catalogue, METI, Japan) *IEC 60065, **EMerge Alliance specification

9 Home entertainment running at 48V, 4.5A
48VDC is the Sweet Spot Avoids shock hazards Maximize length of wiring runs Easily create 2 x 24V busses Home entertainment running at 48V, 4.5A 42” LCD:188W DVD:28W (energy saving efficiency catalogue, METI, Japan)

10 DC Distribution Infrastructure
Infrastructure for low power equipment AV equipment PV DC Distribution with high-efficiency AC/DC converter Voltage:48V or less DC Outlet Battery other equipment Infrastructure for high power equipment Voltage:300V-400V White goods, etc. AC Infrastructure (existing)

11 More LVDC Benefits Opportunity for common worldwide standard
Products can be smaller AC adaptors can be eliminated Improved safety – no shock hazard Smaller carbon footprint

12 Home Entertainment Summary
Home entertainment runs on DC power Standardization creates great benefits One plug worldwide One common input voltage Reduced shock hazard Small efficiency improvements are significant, due to the number of entertainment products Efficiency significantly reduces carbon footprint Eliminates wall warts and the waste they create

13 IEC Work on LVDC

14 IEC TC100 – Scope and Standards
Audio, video and multimedia systems and equipment Professional Consumer IEC (D1) IEC (D2) IEC (D7) IEC (D16) IEC (D10) IEC (D11) IEC (HD-D5) IEC (D12) IEC (TV Metadata) IEC (MD) IEC (CD) IEC series (Audio measurement) IEC (PC audio) IEC series (Color management) IEC series (DV format) IEC 62318, 62328 (Multimedia Home server) IEC 62227 (DRM) IEC (IR) IEC series (TV) IEC 62229 IEC 62448 (e-Book) IEC series (Audio System) IEC (Loudspeaker) IEC (ISDB) IEC (DVB) IEC (DVB-H) IEC series (Cable system) IEC series (Radio) IEC 62389 (DVD player measurement) IEC 60958, 61937 (Digital Audio I/F) IEC 61883 (Digital AV I/F)

15 LVDC System (in the IEC System)
Wiring (TC23) Battery (TC21) Fuel Cells (TC105) Appliances (TC59) Lighting (TC34) PV (TC82) EV (TC69)

16 IEC Addressing LVDC Today
SG4 is responsible for LVDC strategy TC100 is responsible for LVDC in multimedia equipment Standardization Management Board Technical Committees Strategy Groups TC100 AV & multimedia SG4 LVDC TC69 Electrical Installation TC59 white goods TC23 Electrical accessories

17 Collaboration between TC100 & TC59
IEC TC100 Task Group (TG) for SG4 + TC59 Ad hoc group (AHG) for SG4 = Collaboration on contributions to SG4 SMB TC SG TC100 (AV equipment) SG1 TG for SG4 SG2 Collaboration SG3 Contribute to SG4 SG4 (LVDC) TC59 (White Goods) SG5 AHG for SG4

18 AC Adapter Standardization in IEC TC100
PT is developing an LVDC power supply standard Scope Unify AC/DC adapter for Laptop PC by defining DC voltage and its connector shape. Benefits Fewer AC adaptors is good for the environment Reduce product cost by reusing adapters Simplifies sales and inventory PT is important work; but, it also demonstrates a need for the long-term solution – LVDC

19 Difficulties in Standardizing AC Adaptors
AC adaptors are designed for specific products, creating an extra layer of complexity Matching in-rush current of product to adaptor IEC may be insufficient for leakage current AC adapter temperature EMC fluctuations as load changes Harmonizing safety standards Some manufacturers used the same AC adaptor on products for years, slightly reducing the benefit By standardizing LVDC, everyone can design their products to one common power source

20 IEC is an Ideal LVDC Standards Venue
Experts in every area (Technical Committees) Opportunity for a common worldwide standard Common safety practices Fewer connectors Fewer voltages One frequency 13 16 16 10 15 Domestic Current 60 50 60 50 Domestic Frequency UK Italy Germany 230V 220V 120V 100V Domestic Voltage Japan China Domestic AC socket France USA Country

21 LVDC Perspective

22 Panasonic Corporation in brief
Net Sales: $100B (approx.) Business Segments Digital AV & Networks Home Appliance Components and Devices Panasonic Electric Works (PEW) PanaHome SANYO

23 LVDC is for more than TVs
AC infrastructure Heater Grid AC Cooker DC low-power infrastructure Solar System Electric Works Distributor LED Fan PC Electric Works TV Electric Works BD Wire TEL Fuel cell System DC high-power infrastructure Electric Works Battery Air Conditioner Refrigerator

24 UC San Diego

25 Kasai Green Energy Park

26 Green Energy Park LVDC Project
DC power distribution directly from PV to PC and LED Proving test in Kasai, West Japan

27 Eco ideas House, Tokyo

28 Eco Ideas House LVDC Project
AC/DC hybrid wiring system Reducing losses cause by AC/DC conversions eco ideas HOUSE in Tokyo

29 Panasonic Approach to LVDC
LVDC is not just for home entertainment… it is needed throughout the home. Panasonic is considering LVDC for all these businesses: AV equipment Home appliance Lighting PV Battery Electrical distribution and wiring Home construction

30 End

Download ppt "The Necessity for LVDC Power in Home Entertainment"

Similar presentations

Ads by Google