Japan s Resilient Energy Technology Micro-grid System

Transcription

1 Japan s Resilient Energy Technology Micro-grid System June 18 th, 2015 Kazuyuki Takada Smart Community Department NEDO, Japan

2 Microgrid in Sendai (FY ) Demonstration Project on Power Supply System by Service Level High Quality A No Interruption. Compensating voltage at a wave level. High Quality B Removing interruption within 15 ms Standard Quality C Interruption is usually removed within 1 minute. DC No Interruption. DC supply. Great East Japan Earthquake: 2:46 pm on March 11. Sendai system recovered before noon of March 12. And supply electricity to Hospital and High Quality A load (UPS). Utility system recovered at March 14.

3 Power Quality in East Japan Area at the Disaster The data has been collected by NTT-FACILITIES 14:47:00 14:47:10 14:47:20 14:47:30 14:47:40 14:47:50 14:48:00 14:48:10 14:48:20 14:48:30 14:48:40 14:48:50 14:49:00 14:49:10 14:49:20 14:49:30 14:49:40 14:49:50 14:50:00 ロケーション別イベント発生状況 ( 本震 2011/3/11 14:46 頃三陸沖 M9.0) 14:47:00 14:48:00 14:49:00 14:50:00 Aomori 青森 SC Morioka 盛岡 SC Akita 秋田 SC Sendai 仙台 SC Yamagata 山形 SC Fukushima 福島 SC Niigata 新潟 SC Ibaraki 茨城 SC Tochigi 栃木 SC Gunma 群馬 SC Saitama 埼玉支店 Chiba 千葉 SC Otemachi 大手町 SC Tachikawa 立川 SC Kanagawa 神奈川東 SC 山梨 SC Yamanashi Abnormal frequency detected Aomori 青森 SC Morioka 盛岡 SC Akita 秋田 SC Sendai 仙台 SC Yamagata 山形 SC Fukushima 福島 SC Niigata 新潟 SC Ibaraki 茨城 SC Tochigi 栃木 SC Gunma 群馬 SC Saitama 埼玉支店 Chiba 千葉 SC Otemachi 大手町 SC Kanagawa 立川 SC Tachikawa 神奈川東 SC Yamanashi 山梨 SC Over- frequency 周波数低下 Under- 周波数上昇 frequency Voltage 電圧低下 dip 電圧上昇 Swell 停電検出 *Outage 停電期間 Duration

4 Under frequency in Sendai (14:47:41, Mar 11 th, 2011) The data has been collected by NTT-FACILITIES <-50.0 Hz <-48.4 Hz

5 Condition of Supplying Power during March 11 MPQM continued to supply DC, A, B1without any interruptions for VRLA batteries and PV generation system. GasG had supplied power for 43 hours during outage. Date in 2011 Utility GasG March 11 March 12 March 13 March 14 14:47:10 Voltage collapse Outage Disconnect Stop Outage About 12:00 GE started. (Islanding operation) Islanding operation 8:16:43 Recover DC AC A AC B1 AC B3 PV Supply from Battery Battery Battery Outage 02:06 Stopped manually Outage 02:06 Stopped manually Outage Supply from GasG Supply from GasG Supply from GasG About 14:00 Dispatch Start (for customer needs) Supply from GasG

6 Hitachi, Ltd All rights reserved. 5

7 What the project proposes? Renewables (Wind and Solar) friendly EV charging Reduce fossil fuel consumption and its dependency Mitigate investment cost for absorbing fluctuation by Renewables Charger EV G Hitachi, Ltd., All rights reserved. 6

8 Geographical Locations of Devices in Maui Lahaina Kapalua Kaanapali Wailuku Kahului Bulk Battery #1 & #2 (Li-Ion) Pukalani Paia Haiku Makawao Server room DMS EVECC DLC DC Fast Chargers(Installed) DC Fast Chargers(On going) Wailua SVC Maalaea Kula Whole Maui Island : Normal Chargers 200 sets Kihei Hana µdms 15 sets SmartPCS 10 sets Home Getaway 40 sets Home Battery 10 set Switch 12 sets Wailea Bulk Battery (Lead Acid) Hitachi, Ltd., All rights reserved. 7

9 Percentage Data of EV s load shift JUMPSmartMaui volunteer charging behavior at home Connect Status(%) Before starting load shift Before November 2014 Charge Status(%) Charges during load peak hours 10 0 After starting load shift January 2015 (80 EVs) EV charging load shifts by 3 hours Tariff (TOU-R) Off peak On peak Priority peak Off peak Wind output curtailed [MW] Wind output curtailed 2 System load and wind output curtailed in Maui Expected effects 1 Lower load peak 2 Reduce wind output curtailment System Load 1 Load[MW] [Hour] Hitachi, Ltd., All rights reserved

10 Number of Charge Number of Charge Data of EV DCFC usage The number of utilization has increased from the start of demonstration, and been stable. DCFCs are utilized from morning to night in people s daily life (2013 Sep Oct.) (2013 Sep Oct.) Number of Week Hour Estimation of CO 2 emissions on gasoline vehicles when they drive same distance with EV 2013 Sep Aug. EV-kwh Charge Usage Consumption at DCFC Distance (mile) Estimated Drive Distance *1 Gasoline vehicle A Gasoline vehicle B Gasoline vehicle C Gasoline consumption (gallon) CO 2 emission (Kg) *2 Gasoline Consumption (gallon) CO 2 emission (Kg) *2 Gasoline Consumption (gallon) CO 2 emission (Kg) *2 Amount 224, ,981 29, ,940 25, ,614 33, ,497 *1 Average electricity consumption of an EV based on usage consumption at DCFC *2 Amount of CO 2 emission is calculated based on USA (Greenhouse Gas Equivalencies Calculator) DCFC: Direct Current Fast Charger Hitachi, Ltd., All rights reserved. 9

11 Schedule Operation Starts December 17 th, 2013 Project period extended 1 year F/S System Design Volunteer Recruitment Equipment Installment Demonstration Operation Business Case Assessment Hitachi, Ltd., All rights reserved. 10

12 Maui to the World JUMPSmartMaui will demonstrate an island-wide EV management system, allowing increased use of renewable energy. JUMPSmartMaui will enable Maui to increase renewable energy penetration while minimizing curtailment. Results of the demonstration will enable Maui stakeholders to develop policies and practices to achieve long term benefits. Our goal is a business model that can be adapted to other islands and other power grids around the world. Hitachi, Ltd., All rights reserved. 11

13 Thank you!