KYUDENKO EMSSUMBA ISLAND, Indonesia

Corporate Proﬁle2

Company name

Kyudenko Corporation

Established

December 1, 1944

Capital￥12,550 million

Head office

Fukuoka city

Number ofemployees

Consolidated: 9,843 persons(March 31, 2018)

Integrated Utilities Engineering Service

ElectricalConstruction
Work

Heating,Ventilation and
Air Conditioning
Mechanical
Installation WorkPower
Distribution LineWork3

Major Projects
Nanatsu Island Mega SP Station

Ashikita Mega-Solar Project

17ＭＷ
70ＭＷ

Saga OuchiCho Mega-Solar Project

Makurazaki
Mega-SolarProject
TaiwanOn water Mega-SolarProject

47ＭＷ
5ＭＷ

17ＭＷ

Features ofKYUDENKO EMS

Renewable Energy

100%
Energy Resource

Multiple

Efficiency of Renewable Energ

Maximum

EMS
Energy Management System

ON-Grid&OFF-GridOK

6

Stable Supplyof electricity

24hGenerated PowerTime

Ordinary power generation system from renewable energy
7Supply electricity amountSolar Power amount
Generated Power

Supplied Power

Stable Supply！

DC Fluctuating Voltage

TimeTime

DC/AC Inverter

DC 380V

8

DC 380V Conversion-BUS

DC 380V

BATTERY
Controller

lead-storage battery
For cycle useTransmit Electricity Trend GraphTransmission Power ①＋②

Output waveform from EMS ①
Output waveform from EMS ②9Stable Supply！

Solar Radiation

OFF-Grid Model@Nagasaki
JAPANSasebo-City, Nagasaki

11

30kWEMS

5kW×2set

Energy Management System

Administrative Building(Lighting & Air Conditioner)

12

EV Charger
Lift Pump forHousehold Water

Sewage Pump

ON-Grid Model@Sumba Is.
Indonesia

SUMBA ISLAND Bilacenge PLTS

14

Work together with BPPTBattery System 1 Battery System 2(Charge)(Discharge)

Grid Connection

Main: Electricity
from System 1(Peak & Base Load)

PV System 1(Main)

Day 1
Main: System 1
Sub: System 2EMS
Energy Management
SystemPV System 2(Sub)Mini Hydro Power(Base Load)

Sub: Electricity
from System 1(Peak)GRID@SUMBA ISLAND

15

Diesel Engine(Base Load)

HouseholdBattery System 1 Battery System 2(Charge)(Discharge)

Main: Electricity Grid Connection
from System 2(Peak & Base Load)

PV System 1(Sub)Day 2
Main: System 2
Sub: System 1EMS
Energy Management
SystemPV System 2(Main)

Mini Hydro Power(Base Load)

Sub: Electricity
from System 1(Peak)GRID@SUMBA ISLAND

16

Diesel Engine(Base Load)

HouseholdON-Grid ModelFor

EVWork together with BPPTBattery System 1 Battery System 2(Discharge) (Charge & Demand)

EV Charge at 9:30
Grid Connection

Main: System 1
Sub: System 2Main: Electricity
from System 1(Peak & Base Load)

PV System 1(Main)

EMS
Energy Management
SystemPV System 2(Sub)

Sub: Electricity
from System 1(Peak & Demand)

HouseholdCharge

Mini Hydro Power(Base Load)GRID@SUMBA ISLAND

18

Diesel Engine(Base Load)

Electricity
from System 2 EV Charger(Demand)

Battery System 1 Battery System 2(Discharge) (Charge & Demand)

EV Charge at 9:30
EMS Output of a daywith Mobility

PV System 1(Main)
Battery Management
Unit 1 &2

PV System 2(Sub)

Sub: Electricity
from System 2(Peak & Demand)

Main: System 1
Sub: System 29:30

200kW

Sub: System 2100kW

Main: System 19:00

PV Inverter

12:00

15:00

Smart Meter

ChargeSmart Power Manager

EMS

19

Smart Meter Controller

GRID@SUMBA ISLAND

Electricity
from System 2 EV Charger(Demand)

SummaryAchieve 24-hour power supply by using low-cost lead storage
battery system.
2 Efficiently manage multiple power sources such as solar, wind,and small water power generation.
3 Meet various customer needs from 100% eco power supply to acombination with diesel power generation giving importance tostable supply.
24 Contribute to CO reduction as a complementary power sourcefor diesel power generators.
5 Provide technical training for Operation & Maintenance.
6 Provide 100% eco power supply for Electric Mobility.
120

Thank you
KYUDENKO EMSEnergy management System