Emerson SPV

Emerson SPVUtility scale PV inverter systems 145 kVA - 1590 kVA

www.emersonpvsolutions.com2

Emerson SPV grid-tie inverters - The key to better investment performance

Engineering and project management solutions to meet your needs

Emerson can provide as much or as little of the PV inverter system as you need, from an inverter to a complete turnkey solution incorporating all power components. This includes string connection boxes, shelter, transformer and switchgear all engineered to ensure compliance with local grid-connection codes across the globe. Integration with equipment from local and international suppliers can easily be accommodated to reduce transport costs and improve lead times.

Emerson – your bankable partner

Emerson is a diversified global manufacturing company that brings technology and engineering together to provide innovative solutions to customers. Each of Emerson’s businesses is an industry leader. With a global workforce of more than 127,000 employees, 240 manufacturing facilities and a very robust balance sheet, we are a truly bankable partner. Emerson has the infrastructure, knowledge, and experience to deliver its technology and product solutions to customers around the world.

Modular inverter systems for proven availability

Emerson SPV systems offer a range of transformerless central inverters for PV installations from 145kVA to 1590kVA. Each inverter is constructed using multiple standard 145kVA or 175kVA modules. Based on a stable design, our inverter modules are mass produced for both industrial and PV applications. Proven to be reliable and robust, Emerson inverter modules improve availability while simplifying global supply chains and minimising spares holding.

❛Emerson is a global company with a long standing reputation for highqualityandexcellentfinancialperformance.❜

Energy yield is about more than just efficiency, it is also about availability. Emerson PV inverter solutions enable investors to exceed their investment performance expectations through high yield inverter systems. These are designed and manufactured by our professional engineers and controlled through our dedicated project management teams, to meet your required timescales. Our SPV systems are backed by guarantees to ensure performance is maintained over the lifetime of the plant.

Proven success

Project: Enfinity/Infrabel Rail Tunnel Project

Plant rating: 5.5MW

Country: Belgium

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Intelligent Inverter Management (IIM) control to maximise yield

Emerson SPV inverter systems incorporate IIM to control the active and standby status of each inverter module. This has benefits in energy efficiency and increased reliability:

❛Photovoltaic power plants generate a return on investment through payments forenergythatisfedontothepowergrid. The amount of energy is the yield which isafunctionofefficiencyandavailability. Investment performance metrics are extremelysensitivetoboththesefactors.❜

➜ Adaptive power control, giving enhanced efficiency Modularity allows the active inverter capacity to be automatically scaled to optimise energy efficiency for all conditions and allows the system to begin generating sooner in low light conditions. The result is that Emerson SPV inverters achieve up to 98.1% peak efficiency and greater than 98% EU ETA weighted efficiency in accordance with IEC 61683. The active and standby duty for each module is rotated so that generating capacity is shared and inverter life extended.

➜ Fault tolerant inverters, giving enhanced availability In the event of any inverter module trip, the system automatically reconfigures to continue generating. For critical applications built-in redundancy can be incorporated within the system to maintain maximum output with minimum investment.


❛In low solar irradiance levels, Emerson inverters start generating power sooner and with greater efficiency than conventional bulk inverter solutions with a turn-on/turn-off thresholdoflessthan900W.❜

Compact and easy to manage

Each inverter module is compact and light weight so that it can be handled easily. Modularity does not impact overall dimensions, a 1000 kVA inverter measures only 3.6 metres wide.

Core Unidrive SPMD 175kVA inverter

Warranty and service contracts

Extended warranties and service contracts are available to ensure energy yield is maintained over the lifetime of the plant. These can be sold as part of the capital package or funded annually.

Greater yield at low irradiance levels

A key differentiator of Emerson's SPV system is our ability to enhance yield at low irradiance levels as the modular inverter solution dynamically re-sizes to match generated power. The following graph demonstrates how this increases efficiency, which remains above 96% at only 3% of full load. This compares to conventional bulk inverters where the efficiency begins to reduce severely when operating below 30% of full load. Yield at low load is particularly important in temperate climates such as northern Europe.

High accuracy MPPT algorithm

To ensure maximum power is obtained from PV arrays, Emerson's unique Maximum Power Point Tracking (MPPT) algorithm is optimised for accuracy for both crystalline and thin film solar panels. The system is able to adapt rapidly to fast moving weather conditions across a wide temperature range.

SPV1800 efficiency and power gain benefits compared with a conventional bulk inverter

Emerson SPV inverter systems

Proven success

Project: Kublank

Plant rating: 1.1MW

Country: Germany

298mm (11.7in)

796mm (31.3in)

310mm (12.2in)

■SPV1800 efficiency ■Conventional inverter efficiency

080.0%

82.0%

84.0%

86.0%

88.0%

90.0%

92.0%

94.0%

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% Full Load

96.0%

98.0%

100.0%

10 20 30 40 50 60 70 80 90 100

Fiscal gain in low load operation


❛Emerson inverters are extremely reliable, however, if one moduledoesneedmaintenance,therestkeepgenerating. Compact modular design makes repair or replacement veryeasy.❜

Rear view of SPV1800 DC connections

Front view of SPV1800


Emerson SPV inverter standard features and options

Key inverter features

➜ High conversion efficiency, 98.1% peak, >98% Euro ETA in accordance with IEC 61683

➜ Optimised for reliability and long active life

➜ Standard industrial mass produced inverter modules

➜ Power ratings of 145 kVA, 175kVA and increments thereafter of 175kVA up to 1590kVA @ 340 Vac (260 Vac, 300 Vac and 400 Vac are also available)

➜ Compact footprint

➜ Low switch-on point of 900W (0.057% on 1590kVA inverter)

➜ High accuracy Maximum Power Point Tracking (MPPT) over a wide voltage range

➜ Engineered for compliance with international grid connection codes

➜ Automatic reactive current and power factor control

➜ Anti-islanding / loss of mains protection

➜ Sinusoidal inverter technology - 2.28 % typical total harmonic current distortion (ITHD) - no transformer de-rating required

➜ Tolerant to inverter module faults with fast automatic recovery

➜ Communications via Ethernet with Modbus TCP or Modbus RTU as standard with local or remote configuration and monitoring

➜ Utility company communications interface

➜ Standard distribution style transformer. No additional losses, dual secondaries or high dV/dt withstand requirements

➜ Large inverters significantly reduce balance of system costs

➜ Isolation monitoring of PV array

➜ DC overvoltage protection

Options

➜ Built in inverter redundancy

➜ DC fusing or circuit breakers

➜ +/- DC side grounding

➜ Single piece or split AC side / DC side construction

➜ Up to 1000V switch-on

➜ Supply fault ride-through / grid support (LVRT) to the latest BDEW rules. Independently certified by TÜV Nord

➜ AC side / DC side switches (station configuration option)

➜ Inverter powered fans / cooling system (station configuration option)

Proven success

Project: Michelin, Bad Kreuznach

Plant rating: 1MW

Country: Germany


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➜ DC input switch and fusing/mcb are optional, but one of these protections must be fitted. If one of these options is not ordered then the protection must be fitted outside of the SPV ➜AC output fuses are standard, switch is optional

Emerson SPV inverter system diagram


Emerson's ready-to-run shelter design

MV/HV switchgear

MV/HV transformer

Space optimising inverter design

SPV inverters can be delivered in one piece (inverter and DC ancillary equipment in a single cabinet) or two piece as shown above to minimise shelter width.


Emerson's ready-to-run shelter design

Ancillary DC equipment

SPV grid tie inverter

SPV control section

Proven success

Project: Avenal California

Plant rating: 57 MW

Country: USA

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SPV inverter ratings and data

Ratings

SPV 248 300 600 900 1200 1500 1800 2100 2400 2700

AC current A 248 300 600 900 1200 1500 1800 2100 2400 2700

DC current A 300 350 700 1050 1400 1750 2100 2450 2800 3150

Inverter apparent power @ 340Vac kVA 145 175 350 530 700 880 1060 1230 1410 1590

Euro efficiency % 97.6 97.6 97.9 98.0 98.0 98.0 98.0 98.0 98.0 98.0

Turn on / off power W <900 <900 <900 <900 <900 <900 <900 <900 <900 <900

Dimensions (single part inverter) Width *** mm 2000** 2000** 2000 2400 2800 3200 3600 4000 4400 4800

Height * mm 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000

Depth mm 600 600 1000 1000 1000 1000 1000 1000 1000 1000

Weight kg 1150 1200 1800 2300 2800 3300 3800 4300 4800 5300

Maximum no. of internal DC landing points 2 2 6 9 12 15 18 21 24 27

Quantity of parallel inverter modules 1 1 2 3 4 5 6 7 8 9

* Height does not include 100mm or 200mm plinths

** Width will increase by 400mm if 1000V switch-on option selected

*** Width may vary depending on which options are selected

Proven success

Project: Kloster Veßra

Plant rating: 2.2 MW

Country: Germany

Proven success

Project: DHL Bornem

Plant rating: 1.5 MW

Country: Belgium

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Specifications

Frequency Hz 50-60

AC voltage range Vac 260, 300, 340 & 400

MPPT range Vdc 400-800, AC voltage dependent

Maximum DC switch-on voltage with open circuit voltage clamp

Vdc 1000

Maximum DC switch-on voltage without open circuit voltage clamp

Vdc 825

Power factor Fully controllable (priority given to reactive current provision)

Power factor control External control via digital interface or communications bus

Total harmonic current distortion, ITHD (typical) % 2.28

Standby (night time) losses W <100

Minimum turn-on / turn-off power W 900

Operating temperature range °C0 to 50 (with derating required between 45 and 50°C). Consult Emerson for further information

Storage temperature range °C -20 to 50

Altitude m Up to 3000. Above 1000 m consult Emerson for further information

Humidity % 5-95 non condensing

Conformance and safety

Grid compatibility BDEW2008 (independently certified by TÜV Nord), IEEE1547 (pending), UL1741 (pending), FERC 661, Arrêté du 23 avril 2008, ERDF-NOI-RES 13E Version 2, CEI – 016 as part of the complete installation, RD1663, RD661.

Conformity CE, UL & CSA (pending)

EMC Immunity - IEC 61000-6-2 | Emissions – IEC 61000-6-4

AC side grounding Ungrounded floating system (IT)

DC side grounding Floating, positive or negative

AC side overvoltage category Category III per IEC 60664-1

DC side overvoltage category Category III per IEC 60664-1

DC fusing Upon request

Protection Class 1 per IEC 62103 and IEC 61140, DC side surge protection conforms to IEC 61643-11


The complete photovoltaic system

Photovoltaic inverters are part of the wider PV system which includes the string connection boxes, transformers and MV/HV switchgear. Emerson can supply the complete turnkey solution through our global engineering network located in 31 countries. We are able to work with approved local suppliers to minimise time and the costs associated with transporting equipment. Alternatively, SPV inverters can be supplied individually, engineered to work with third party supplied equipment.

Inverter, transformer and switchgear shelters

Emerson shelters can include:

➜ Separate sections for the inverter, transformer and MV switch where required

➜ Concrete or steel construction

➜ Integrated transformer disconnection devices

➜ Can be supplied pre-wired

➜ Thermostatically controlled forced ventilation or air conditioning

➜ Anti-condensation heaters

➜ kVA measurement on the LV and MV side

➜ Security equipment

➜ Emerson UPS system for power back-up

➜ Meteorological instrumentation

Emerson's complete photovoltaic solution

❛Emerson works with local suppliers to minimise time and the costs associatedwithtransport.❜

Proven success

Project: Würth Solar

Plant rating: 10.9MW

Country: Spain


Custom designed flexibility

Single inverter systems

Multi inverter systems

Emerson engineers can provide systems that are designed specifically for your application, whatever the power requirements using single or multi-inverter systems.

String connection boxes and SCADA

Emerson can supply a complete package of web based SCADA, string connection boxes and meteorological instrumentation package, alternatively, SPV communications flexibility allows developers, integrators or operators to specify a system of their choice.

Transformers

Transformer and MV switch schemes are individually engineered for each project to suit grid connection, environmental, regulatory and protection requirements. They can be supplied using oil cooled, dry or cast resin transformers. UPS and LV switchboard options are available.

Solar tracking systems

Solar trackers enhance energy yield by around 30%. With drives and gearmotors, Emerson can provide a complete electro-mechanical solution for photovoltaic solar array trackers to maximise energy capture.

Proven success

Project: Eurener Italia srl

Plant rating: 2.7MW

Country: Italy


SPV inverter and system option configuration guide

General inverter configuration example: SPV 0248 DE 1 1 1 - 1 1 0 1 - 1 1 - 1 1 1 1 1

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AC current rating / SPV size

Country of end useUse the two letter country code defined by ISO 3166-1 alpha-2: DE - Germany, FR - France, IT - Italy,

ES - Spain, US - USA, CN - China, TH - Thailand, GR - Greece, CA - Canada, GB - United Kingdom, IN - India, BE - Belgium, OT -Other

Standards and grid connection codes1 - BDEW, 2 - FERC, 3 - RD, 4 - DK, 5 - IEEE1547, 6 - Arrêté, 7 - GB/Z 19964-2005, 8 - Australian, 9 - Other

MPPT range1 - UL range, 2 - EU range with 800 V turn-on, 3 - EU range with 1000 V turn-on

AC voltage1 - 260Vac, 2 - 300Vac, 3 - 340Vac, 4 - 400Vac

Construction1 - Standard (in-line), 2 - Split

Plinth1 - 100mm (4in), 2 - 200mm (8in)

Main disconnect0 - None, 1 - AC only, 2 - DC only, 3 - AC and DC

DC protection0 - None, 1 - Fuse carriers only, 2 - Fuse + carriers, 3 - MCBs

DC grounding0 - None, 1 - Positive, 2 - Negative

Communications interface1 - Ethernet, Modbus 2 - Other

Syst

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pti

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Shelter1 - Yes, 0 - No

SCADA interface1 - Yes, 0 - No

String connection box1 - Yes, 0 - No

Transformer1 - Yes, 0 - No

MV/HV switchgear1 - Yes, 0 - No


10 mission critical reasons for selecting Emerson

1. The resources to deliver on our promises

Emerson is a Fortune 500 company with outstanding bankability in the eyes of the financial community.

2. Designed for long life

Emerson uses standard mass produced inverter modules that are used in both industrial and PV applications. The modules are based on a stable design that is proven to be robust.

3. Higher efficiency, more of the time

Emerson PV inverters are efficient (>98% Euro ETA), and because of our unique modular inverter solution, we switch on sooner and off later, efficiently generating more energy with lower irradiance levels than single inverter solutions.

4. Energised to meet your deadlines

Emerson understands the time pressures associated with PV plant installations; our project management teams work tirelessly ensuring you meet your start up deadlines.

5. Tolerant to faults

Emerson inverters are fault tolerant, in the event that an inverter module trips the inactive module is automatically isolated so that the system can continue generating. System redundancy can also be specified for critical applications.

6. Wherever you are, so are we

Emerson employs more than 140,000 people, the majority of which are located within engineering centres around the World, focussed on project engineering and support for our energy conversion products.

7. As much or as little as you need

Emerson can provide as much or as little of the PV inverter system as you need, from a single Inverter to a complete solution incorporating string connection boxes, transformer, shelter, medium voltage switch and SCADA .

8. Complete peace of mind

Extended warranties and service contracts to 20 years are available to ensure the highest energy yield is maintained over the lifetime of the plant.

9. Ready for PV industry growth

Emerson is geared up to mass-produce standard modules with high availability to support the growth of the PV industry.

10. In service around the world

Emerson inverters and PV solutions are truly global in coverage. Large scale projects like our recent 58 MW DC solution in California are being developed around the world.

Emerson 12,000 square metre inverter manufacturing facility

© Emerson 2011. The information contained in this brochure is for guidance only and does not

form part of any contract.The accuracy cannot be guaranteed as Emerson have an ongoing process

of development and reserve the right to change the specification of their products without notice.

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Emerson SPV Distributors

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Emerson SPV

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