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Zukunft. Sicher. Machen.
Data Centres as Partners of the Energy Transition
Jason Yates – Technical Services Manager, Riello UPSDario Hernandez – Product Manager, RWE
DCW London - March 2020
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An Evolving Energy System ▪ Transition to a decentralised zero carbon system requires:
o Increased flexibility from demand/generation
o Frequency regulation to compensate lower synchronous generation
▪ Data Centres can contribute to the energy transition as prosumers
▪ Master+ is a UPS-Battery solution specifically designed to:
o Profit from energy markets without taking energy market risks
o Reliability increases due to 24/7 monitoring and typically an extended backup time
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Innovative UPS-Battery-SystemMaster+ Solution 1
2
3
4
▪ Holistic solution consisting of four components:
+ Extended warranty on main system components
Highly efficient UPS1
Cycle proof premium battery2
Integrated control system3
Route-to-Market Contract4
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UPS Master+
▪ Smart Grid Ready
▪ True On-line operation
▪ High Efficiency up to 95.5% in On-line mode
▪ kW = kVA (pf1) -10°C to 40°C without any downgrade in power
▪ Full IGBT and DSP based technology
▪ High fault and short-circuit capacity
▪ Multiple power options for flexibility
▪ Parallel mode for resilience
▪ Resilient proven technology
▪ Galvanic isolation
▪ 5 year warranty
2 x 200kW Master+ UPS Pilot project at RWE HQs, Essen, Germany
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Battery Storage System (1/2)
▪ Cycle proof premium lead acid battery from established producers
▪ Space saving compact battery arrangement
o I.e. pilot project: 4x usable capacity with only +20% higher surface area
▪ Sufficient battery capacity for critical equipment support and commercialisation
▪ Real time battery monitoring for predictive maintenance
▪ Intelligent battery charge/discharge control
▪ 5 year warranty*
*Maintenance contract mandatory
2 x 240 400Ah; 2 x 192kWh nominal; Rack size (LxWxH) 4350 x 700 x 2100mm
Pilot project at RWE HQs, Essen, Germany
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▪ Battery is virtually split into a backup and a commercial segment
▪ Backup segment represents in general 30% of the total useable capacity
o This capacity is configured and controlled by the UPS and cannot be accessed by RWE → The backup segment is preserved
▪ SoC oscillates in general between 60% and 70% during normal operation
o During a disruption of the supply grid, the Data Centre typically has access to an extended backup autonomy
Battery Storage System (2/2)
0%
20%
40%
60%
80%
100%
Backup Segment
Battery useable capacity
SoC range normal operation
Commercial Segment
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DATA CENTRE
Control System
UPS Master+
Simplified Schematic Diagram of Control System
▪ Integrated control system allows to monetisesolution in energy markets
▪ High IT security design
▪ Priority of the UPS is always to protect the critical infrastructure.
▪ In case of grid disruption it turns into protection mode and does not accept any command
Battery Monitoring System
(Battery)
UPS controller
(UPS)
RWE CONTROL CENTRE
Remote Terminal Unit
(Switchgear cabinet)
Modbus TCP
Modbus RTU
IEC -104M2M/VPN
State of Charge
SCADA Secure Network
Operating mode/setpoint
Grid frequency/SoC
Commercial Operating Mode/set point
Grid frequency/SoC
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0 100 200 300 400 500 600
RWE-RielloMaster+
StandardUPS System
UPS Battery + Installation
Route-to-Market Contract ▪ RWE/Riello provides system to participate in the energy markets with energy market risk taken by RWE
o Frequency Response
o Grid cost avoidance
▪ DC owner/operator gets upfront discount battery
+ Extended warranty in main components
+ Remote Control and 24/7 Monitoring
+ Preventive maintenance
+ Extended backup time
+ Reduced grid charges*
▪ In return RWE gets usage right for the commercial segment of the battery
* For illustration purposes only. Actual costs are project dependent
Battery cost50% lower*
Comparison of 8 x 400kVA project costs*, k£
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Frequency Response/Peak Shaving
500
kW
▪ The power grid operates at 50Hz
▪ Master+ helps to stabilise the frequency at 50Hz
o If the frequency falls below 50Hz, the Master+ battery is discharged and vice versa
o The extent of the frequency deviation defines charging and discharging volumes
▪ The batteries are perfect for providing frequency response as they can instantly deliver full capacity in both directions profiting from the market
▪ Depending on the location, grid charges can be reduced via peak shaving
Frequency is above 50Hz,
battery is charged
Frequency is below 50Hz,
battery is discharged
Detail of Master+ control panel blue line = grid frequencyred line = power requestedyellow line = power provided
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Integrated in the existing infrastructure
▪ Master+ uses the redundant power connection capacity in Data Centres to provide ancillary services (i.e. UPS, switchgear, transformers, etc.)
▪ Master+ installation does not differ from a standard UPS system
▪ RWE invests in a larger premium batterywith a virtual split
▪ Shared infrastructure reduces the cost for both parties
Most common power supply infrastructure
for a DC with 1MW IT load
Diesel Gen
Power Chiller
IT load 1MW
servers, storage, network
Climate
control
IT room
Climate
control
UPS
Master+ 1MW Back Up
Substation 2
1MW
Power
distribution,
switchgear
Diesel Gen
Power Chiller
CommercialUPS
Master+ 1MW
Substation1
1MW
Power
distribution,
switchgear
Back Up
Commercial
Batt
ery
Batt
ery
LV room
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Master+ is live!
▪ Essen, Germany, RWE Headquarters:o Commissioned Sept-2018o 2 x 200kVA Master+
o 2 x 240 - 400Ah
▪ Southampton, UK. RWE Hythe Power planto Commissioned Dec-2019o 1 x 200kVA Master+
o 1 x 240 - 400Ah protecting generation auxiliary equipment
o Open to visitors2 x 200kW Master+ UPS
Pilot project at RWE HQs, Essen, Germany
1 x 240-400Ah; 192kWh nominal; Pilot project at Hythe Power Plant
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Commercial project: Data Centre
▪ New Data Centre Ruhr area- Germany Commissioned in Dec 2019o Saving costs by helping balancing
the grido Higher energy storage capacity
monitored 24/7
▪ 2 x 250kW Master+ UPS with 2 x 240 cells 600Ah + 1.1MW emergency generator
▪ Expansion every year until 2024 up to 8 x 250kW + additional power generator
▪ TÜViT TSI.Standard incl. DIN EN 50600 certification in preparation
2 x 250kW Master+ UPS 2 x 240 600Ah; 2 x 288kWh nominal;
Rack size (LxWxH): 2 x 3018 x 662 x 2107mm
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Thank you for your attentionAny questions?
Visit us at the stand D920 or
contact us in at sales@riello-ups.co.uk or flexservices@rwe.com
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Disclaimer
This document contains forward-looking statements. These statements reflect the present opinions, expectations and assumptions of the management and are based on information the management has at its disposal at the present time. Forward-looking statements contain no guarantee for the occurrence of future results and developments and are associated with known and unknown risks and uncertainties. The real future results and developments can therefore on the basis of different factors fundamentally deviate from the expectations and assumptions expressed here. These factors particularly include changes in the general economic situation and the competitive situation. In addition, the developments in the financial markets, exchange rate fluctuations, national and international changes in the law, particularly regarding tax regulations, and other factors can have an influence on the future results and developments of the company. Neither the company nor a company associated with it takes on an obligation to realise the statements contained in this announcement.
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