UPSaver 20012,800KW. Efficiency. Scalability. Product Highlights

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1 20012,KW UPSaver Efficiency. Scalability. Product Highlights Certified efficiency up to 99.5 Modular and scalable up to 12.8MW True on-line double conversion UPS Smart Energy Management Green Conversion Technology High Power Density Low Carbon Footprint

2 The UPSaver Philosophy The flexibility of the system is achieved by using power modules, which can configure both stand-alone units and modular systems. From Uninterruptible Power Supply to Uninterruptible Power Saver, a permanent saving system continuously monitoring the mains to guarantee high quality power to your ICT equipment at minimum energy usage Certified Efficiency Saving energy is one of the main focuses in the data centre industry, due to rising energy bills and environmental constraints. Improving a data centre PUE (Power Usage Effectiveness) is therefore a target for owners and managers, whilst being flexible to cope with such a fast changing market. Regarding UPS, all these needs must translate into: - High efficiency - Modularity - Low total cost of ownership Since the early stage of involvement in designing and building, AVK has beencommitted to fulfilling the needs and developing innovative customised technologies for high efficiency power supply solutions dedicated to ICT UPSaver UPSaver is a complete, very high efficiency, multi-function and fully adaptable power protection system.

3 Modularity and Scalability Removable power modules for easy maintenance and 200KW Scalable. Modular. Futureproof. Configuration The system is based on 100 or 200 kw power modules (named Basic Power Unit: BPU) that can be configured either as stand-alone units or as modular systems. A stand-alone unit, named Fixed Power Unit (FPU), is formed by a BPU, circuit breakers and the control logic, while a modular system, named Growing Power Unit (GPU), is formed by N BPU modules and an I/O module Smart-parallel function continuously monitors load power requirements and maximises system efficiency by turning off all unnecessary power modules. CPM (Current Parallel Mode) ensures reliable and efficient expansion up to full power, totally eliminating circulating currents between UPS. 12,KW UPSaver Unit modularity for flexible and fast power expansion System modularity allows your businesses power to grow up to more than 12MW

4 The Modular Format Power Module (BPU) features: Removable power sub-modules Hot connection and self-diagnosis High power density (0.58 m2/200 kw) I/O Module features: Rectifier, static bypass, maintenance bypass and output main disconnectors Rectifier, output and battery module disconnectors Static bypass module contactor Top and bottom cable entry 10 touch screen display UPSaver

5 Modes of Operation UPSaver

6 Inside the Technology AVK s innovative technologies maximise environmental sustainability and minimise TCO (Total Cost of Ownership) in ICT dedicated UPS. AVK s advantage technology and battery control techniques AVK s Advantage Technology is based on a patented control algorithm, managing the battery-inverter subsystem in order to enhance double conversion efficiency and extend battery life. When a battery is charged and the mains are stable, it is protected from the DC-link ripple by a solid state dynamic battery switch UHE TECHNOLOGY FOR MAXIMUM EFFICIENCY Advantage inverter control enhances system efficiency by reducing IGBTs commutation losses. During mains outages, Advantage controls the dynamic battery switch SCRs and the battery feeds the inverter Ultra High Efficiency (UHE) technology is the AVK off-line mode. Based on a sophisticated control technique, in UHE mode efficiency is achieved, whilst protecting ICT loads from power quality loss. UHE mode of operation protects Critical loads by monitoring mains power quality while feeding them via the static bypass line. Rectifier and inverter are in deep standby G UPSaver Thanks to its high energy efficiency solutions and the reduction of maintenance costs, AVK is proving to be the ideal partner wherever PUE reduction is a primary goal.

7 Ultra HIGH Efficiency on-line mode G Y Ultra HIGH Efficiency on-line mode U l t r a H i g h High Efficiency interactive mode (VHE): If input mains stability and reliability is outside pre-set limits, this mode of operation is activated. Loads are fed by the mains and the inverter is turned on and off by the control logic to stabilise UPS output and the rectifier keeps full battery capacity. That s what we call Very High Efficiency (VHE) mode. Efficiency is 97, due to the transient inverter and rectifier contribution to overall losses E f f i c i e n c y n o ICT loads have to have a grade of r G m immunity to power disturbances Y a to be compliant with EMC l international standards and U product development guidelines l m (i.e. ITIC/CBEMA curve). AVK s t o UHE technology protects ICT r d loads by monitoring mains a e quality, enabling on-line operation whenever H o disturbances approach load i f g of immunity limits. The maximum h o system efficiency is thus achieved p taking advantage of ICT loads E e built-in immunity to power quality f r issues, whilst ensuring them the f a protection they actually need. i c t i UPSaver Ultra High Efficeincy on-line mode describes the way the logic controls the inverter to feed power to critical loads

8 TECHNICAL DATA SHEET: General Information UPSaver kVA3Ph(in) 3Ph(out) POWER kva 600 UPS Type Nominal output power (PF = 1) ON LINE - Double conversion (1) 25 load AC/AC efficiency (VFI - ON LINE Double conversion) AC/AC load (VI from 50 load) AC/AC efficiency (VFD ECO MODE - from 50 load) AC/AC 100 load (VFD UHE - from 50 load) ,0 94,0 94,0 94,0 94,0 94,0 94,0 94,5 94,5 94,5 94,5 94,5 94,5 94,5 95,0 95,0 95,0 95,0 95,0 95,0 95,0 95,5 95,5 95,5 95,5 95,5 95,5 95,5 50,9 59,4 67,9 > 97,0 > 98,0 > 99,4 Heat dissipation in VFI mode (PF = 0,9) kw 17,0 25,4 33,9 42,4 UPS ambient operating temperature range C BATTERY ambient operating temperature for maximum design life UPS storage temperature range C C BATTERY storage temperature range C Relative humidity (non-condensing) < 95 Altitude m < 1000 (Above sea level) According to EN Power derating for altitude > 1000 m Ventilation Request cooling air volume (VFI) 0,5 power derating every 100 m Forced 3 m /h < 50 (UHE) Audible noise level (according to EN ) Number of battery cells Protection degree (closed / open doors) Electromagnetic compatibility Safety Test and performance Paint db < 63 (Double conversion) IP30 / IP20 According EN (CE marking) According to EN According to EN RAL 9005 (others available on request) Accessibility Front and top access for service Installation No rear and side gap required 10

9 No. of power modules No. of lateral distribution sections Power module dimensions Distribution section dimensions I/O module width UPS width UPS depth UPS height L 600 W H L 350 W H DB + DSB CB + DSB DB + CSB CB + CSB DB + DSB CB + DSB mm DB + CSB CB + CSB mm kg DB + DSB CB + DSB DB + CSB CB + CSB DB + DSB CB + DSB DB + CSB CB + CSB kg kg Transport Storage and transport conditions Design standard Front operator panel 5560 (separate input lines) and output Forklift handling 3 copper bar terminals for battery connection According to EN Bottom cable entry (top entry configuration on request) EN EN EN ISO 9001: ISO 11 Touch screen display Standard contacts for the following Standard interfaces Serial communication interface Parallel configuration (optional) 4 copper bar terminals for rectifier and bypass input Input/output terminal board Power module weight UPS weight (without batteries) mm I/O module and distribution section weight mm EPO - MBCB - OCB - BCB Standard: RS232/USB Optional: RS485 (Modbus protocol) Optional: RS485 (Teleservice) Up to 5+1 units (redundant parallel configuration) (4) Up to 6 units (power parallel configuration)

10 UPS INPUT: Rectifier and Battery Charger POWER kva 600 Input Three-phase + Neutral Nominal input voltage Vac Range Input frequency (adjustable) Hz -20 / /- 10 > 0,99 DC output voltage accuracy <3 +/- 1 DC output voltage ripple <1 (rms) Range Input power factor Input current THDi at nominal voltage and THDV < 100 load Battery charger characteristic Maximum recharging current (per module) - at nominal load IU (DIN 41773) A 30 IGBT (PFC) 100 Fuses converter type -AC-DC with DCM function Input protection Nominal current absorbed from mains (@ nominal load and fully charged Maximum battery) current absorbed from mains A (@ nominal load, maximum recharging current and Walk-in timenominal input voltage) A s 5 30 (programmable) Hold-off time s (programmable) BATTERY POWER kva 600 Number of cells voltage Inverter input power 610 kw Inverter input current 372 cells Vdc 360 cells Battery test cells 372 cells 360 cells 372 cells (@ nominal load cos φ = 1) Battery protection (@ nominal load cos φ = 1) VRLA (Lead acid Maintenance free) Battery type Floating 25 C End of Discharge (EoD) 1000 A Fused switch box available on request Manual or automatic (programmable) 2705

11 UPS Output: Inverter POWER kva 600 Inverter bridge IGBT (PWM) Nominal output apparent power PF = 1 Nominal output real power PF = 1 (1) DC/AC efficiency kva kw /- 2 (other10on request) 25 load 50 load 97,0 (of each power module) Output Nominal Output Voltage 75 load Three-phase + Neutral ,0-415 Vac Output Voltage Stability - Static (balanced 100 load - Static (unbalanced load) - Dynamic (Step load ) - Output voltage recovery time after step load Phase Angle Accuracy - EN classification Balanced load - Unbalanced load ( ) Output Frequency Output Frequency Stability 97,0 +/- 1 +/- 2 +/- 5 ms < 20 Hz VFI-SS-111 +/ /- 2 Hz +/- 0,001 - Synchro w/internal quartz oscillator (mains fault) - Synchrooutput w/ mains Nominal current (@ Vac) > Slew rate A Hz min min Hz/s (1) Overload capability Short circuit current (half cycle) > Short circuit characteristics Selectivity >150 sec A < Electrical short circuit protection (current limited at above 10 values) with automatic switch off after 5 seconds. Within 1/2 cycle Type gl rated at 20 of nominal output current (within ½ Maximum distribution fuse (selectivity) Output waveform cycle) Sinusoidal Output harmonic distortion THDv - Linear load - Non-linear load Maximum crest factor without derating - EN <1 3<: 51 Fully compliant

12 UPS OUTPUT: Bypass Automatic static bypass Electronic Thyristor switch Input 3 Phase + Neutral Protection Fuses Nominal input voltage Vac Range (adjustable) Nominal input frequency Hz +/ Range (adjustable) +/- 10 Transfer mode No break In case of: - Static Switch test Transfer inverter --> automatic bypass (VFI) - Inverter Test Inverter not operating -- Automatic Retransfer automatic bypass --> inverter (VFI) Over load capability Battery of discharge -- Block onend bypass after 6 transfers within permanent 2 minutes, reset by front panel for 1 cycle - Electronically controlled Manual bypass (optional disconnector) (1) Up to 40 C Battery and static bypass arrangement (4) Included H=145 mm base frame For other configurations ask AVK Technical Department DB: Distributed Battery CB: Centralised Battery DSB: Distributed Static Bypass CSB: Centralised Static Bypass AVAILABLECONFIGURATIONS 1. DISTRIBUTED BATTERY 2. CENTRALISED BATTERY 3. DISTRIBUTED STATIC BYPASS 4. CENTRALISED STATIC BYPASS - No break

13 Case study Eni Green Data Center Key players Maximum protection at the highest efficiency thanks to new technologies Borri designs and manufactures a new generation of UPS based on patented technology Green Conversion to meet the requirements of Eni End-user Eni is one of the largest integrated energy companies in the world, operating in the sectors of oil and gas exploration & production, international gas transportation and marketing, power generation, refining and marketing, chemicals and oilfield services. Eni is active in 90 countries with 78,000 employees. Consultants Founded in 1992, Ariatta Ingegneria dei Sistemi specializes in consulting, design, project coordination and management of technical plants in civil, industrial, healthcare and urban fields. Since 2000 the firm has designed electrical plant infrastructures for more than one million euros cooperating with the most eminent international architects and, in most cases, it has also managed the construction work, following the start-up and functional tests. Marco Negri and Walter Nardelli (Reorder) were entrusted with the scientific supervision. Eni Green Data Center Building area: 45,000 m2 Data rooms area: 5,200 m2 in 6 IT rooms (2,600 m2 phase 1) IT systems 7,000 Core CPUs 60,000 PUE <1.2 Reduction of CO 2 emissions 335,000 tons per year Electric Power by UPS 30 MW The challenge Eni has decided to build a new data centre in Italy, located in Ferrera Erbognone, Pavia adjacent to Enipower s power plant to host all their data processing systems, including administrative information and high performance computing calculation systems (HPC). The company Ariatta was entrusted with the direction of the project, design, execution and supervision of works. The goal of the project is to reach an annual average PUE (Power Usage Effectiveness) value of less than 1.2. Our solution AVK has developed a double conversion, transformer-free 200 kw UPS which is based on two innovative technologies: High double conversion efficiency, up to 95 based on Green Conversion patented technology Ultra High Efficiency (UHE) reaching efficiency based on Borri off-line technology Benefits are: Low dissipation losses of the UPS, in addition to saving electrical energy, minimize room cooling by virtue of negligible heat release. Automatic or manual switching from one mode of operation to another always optimizes critical loads power supply efficiency. The system AVK UPS are powered by two independent lines, coming from two separate medium voltage transformers. Should the main line fail, the system automatically switches on the backup line. The uninterruptible power supply section consists of no kw UPS for both lines, A and B, feeding the server rooms via a double busbar. The UPS is cooled by natural air convection and the design ambient temperature is 50 C. Each UPS is equipped with its own battery cabinet, providing 5 minutes autonomy at full load.

14 Validation tests A testing schedule was included in the project. All tests, commissioned by Eni, have been developed by the Electrical, Electronic and Information Engineering Department at the University of Bologna and conducted by TÜV laboratories. The test results show that B UPS exceeded the 99.4 target On-line double conversion efficiency versus load efficiency, achieving a remarkable efficiency at 50 load and efficiency at 100 load. All the remaining CE mark type tests, namely electromagnetic compatibility, safety and performance were carried out at Bor in our testing area UHE efficiency versus load Efficiency Efficiency Borri Competitor 1 Competitor load Results and future developments load The development of 200 kw UPS for Eni has allowed us to respond to the technological challenge of designing a UPS powering the critical loads of a modern data center to get the highest ever value of PUE. The low losses of the UPS and the high temperature design (50 C rather than the standard 40 C) allow the use of air at ambient temperature to cool We completed a challenging and innovative project with ambitious goals that required all the key players to think outside thebox. Borri created a new technology Green Conversion, proving its ability to fulfil this requirement. Excellence has therefore been achieved thanks to those who have expressed willingness to think of something completely new the local UPS, physically demonstrating the advantages of the solution adopted. The UPS section covered by AVK consists of kw UPS, but it is expected that an expansion will bring the UPS installed to 150 units for a total computing power of 30 MW with an energy saving of 1.5 MW. The contribution of Borri was not limited to the supply and installation of high-efficiency UPS but it was fundamental in the preparation ofthe project. I really appreciated their proactive attitude, contribution of innovative ideas, collaboration in the analysis of feasibility and availability during all its phases confirming Borri s vocation to providing solutions based on the specific needs of its customers. Michele Mazzarelli Alberto Ariatta Vice President Project Manager Programme Eni Green Data Center Project Director and Director of works for Eni Green Data Center

15 Job References Project Name IX Europe EDS Deutsche Bank Infinity Slough - UPS MOD Prauge O2 Main Data Centre Lloyds Data Centre Lloyds Data Centre Three Mobile South Yorkshire Police Cheshire Police H3G Data Centre Qty Module Rating (Total) Total Rating kVA 600kVA kva 9,000kVA 5,000kVA 3,600kVA 3,600kVA 3, 3, 3,200kVA 3,000kVA 3,000kVA 3,000kVA 2, 2,000kVA 2,000kVA

16 About us The largest supplier of Data Centre, Financial and Telecoms sector critical power solutions in the UK. continued steady and consistent growth, not only in size, but also our reputation We are trusted by many of the UK's largest Blue Chip companies to design, install and maintain 100 power integrity to guarantee their operations when mains power fails. AVK has a unique capability for design, manufacture, installation and on-going maintenance of standby power systems containing UPS systems and standby diesel generators. We provide expertise in the design, planning and implementation of power s systems projects in all major market sectors ranging from Data Centres, Banking & Finance and Telecommunications through to Industrial & Public from standard configurations to special applications. It is our aim to provide maximum support to our clients coupled with reliable, high quality products delivered on time and within budget, working closely with you to ensure an efficient and effective system design. www. plus.google.com/+avkseg mission critical services & systems. Since our founding in 1989, AVK have had For over 25 years we've been providing reliable back-up power solutions for