vicente gutiérrez, business development manager of ammonit measurement gmbh high quality...

Vicente Gutiérrez, Business Development Manager of Ammonit Measurement GmbH

High Quality Measurement Systems for Wind and Solar Resource Assessment

measuring wind and solar powerwww.ammonit.com

Ammonit Company Profile

• German company, based in Berlin

• 25 years of know-how (founded in 1989)

• Projects in more than 100 countries

• Measurement equipment for the following activities:

Before the construction of a wind or solar power plant- Wind Resource Assessment

- Solar Resource Assessment

After the construction of a power plant- Wind Monitoring Systems (SCADA)

- Solar Monitoring Systems

- Power Curve Measurements

Wind MeasurementSolar Measurement


Ammonit Company Profile

• Own products with own development

Data loggers Meteo-40

Online Software for campaign monitoring AmmonitOR

• Complete first class measurement systemsWind sensors from the German company Thies

Solar sensors from the Japanese company EKO

SoDAR devices from Swedish company AQ System

LiDAR devices from UK company ZephIR Lidar

Configuration of cables, cabinets, … designed and assembled by Ammonit


Data Loggers Anemometers Wind Vanes

Ultrasonic Anemometer

Barometric Pressure Sensor

Temperature Humidity Sensors

PyranometersPyrheliometers

Sun Trackers / RSIPrecipitation

SensorsRemote Sensing

Systems

Steel Cabinets with Accessories

Power Supply &Communication

SystemsObstacle Lights

Ammonit Product Portfolio


Ammonit Global Partner Network

Ammonit cooperates with local partners for:

• Assembly of systems (cables, solar supply, ...)

• Mast Installation

• System Installation

• Maintenance of the system

Partner in VietnamTHINH PHONG LTD COMPANY Ho Chi Minh City

Mr. Le Quoc Bao


Short History of Wind Measurement in Vietnam

• 2001 - First Wind Energy Resource Atlas of South East Asia

• 2011 - Wind Resource Atlas of Vietnam MOITSponsor: World BankConsultant: AWS Truepower

• High potential along the southern and south-central coasts and in the mountain gaps in central Vietnam

• 3,000 km coast line!

• 6.5 to 7m/s in the central-south coast

Results: Standard error 0.8m/s

Local Measurements needed

Source: AWS Truepower


Short History of Wind Measurement in Vietnam

• 2011 – First IEC and MEASNET conform Measurements in Vietnam done by the GIZ, World Bank and Government of Vietnam 10 masts at different sites installed by PECC3

• 2019-2015: Different masts in private projects

• 2016 to 2018 – KfW Bank – German funding project20 to 40 masts at different sites

• 2016 to 2018 – World Bank Project6 to 8 masts (to be installed by PECC3)

Final Vietnam Atlas to be done in 2018


Wind measurement – How?

Wind Resource AssessmentWind Farm Monitoring

Photo by GIZ: Wind site assessment in Northern Chile


International Standard for Wind Power Performance Measurement

Standards + Guidelines

IEC 61400-12-1„Power Performance Testing” (CD2)

Set-up of a met mast including installation of sensors, sensor quality regarding accuracy and reliability

Criteria for data quantity and quality, as well as reporting

NEW IEC coming soon: Quality criteria for SoDAR / LiDAR devices and ultrasonic anemometer for wind assessment /

traceability of measurement data

Ammonit Measurement Systems

MEASNET „Evaluation of site specific winds”

Process of site assessment incl. data collection, evaluation and interpretation

Focus on data quality, plausibility and integrity incl. data filtering and reporting

Ammonit Measurement Systems



Ammonit Meteo-40 data loggers

• Storage of 1-sec. original measurement data acc. to MEASNETSite Assessment guideline

• Digitally signed and encrypted measurement data acc. to IEC (CD2) and MEASNET Site Assessment guideline

• Configurable data transfer via HTTPS, FTP/SCP, email to AmmonitOR or client server acc. to MEASNET Site Assessment guideline

AmmonitOR

• Data quality check acc. to MEASNET Site Assessment guideline• Filters to detect measurement errors or sensor defects

• Calendar to monitor data integrity

• Evaluation and reporting acc. to MEASNET Site Assessment guideline• Display data in customizable plots over certain periods

• PDF reports on sensors and statistics

• Data archiving


Betz Law

Wind speed

• Wind energy is proportional to the cube of the wind speed according to Betz’ law:Wind power is

P = 1/2 • ρ • A • v³ Δ1% wind speed ≈ Δ 3% wind energy

• Measure the wind conditions to calculate the wind energy

• A is the area; • ρ is the air density, ρ = p / (R • T), being p the air pressure,

T the air temperature and R the gas constant; • v is the wind speed


Impact of Measurement Errors on Estimated Annual Energy Production (AEP)

Comparison: the impact of different wind sensors on the assessment

• Reduce measurement errors by installing high quality sensors

• Even small discrepancies in the evaluation of wind speed data lead to significant deviations in the assessment calculations

Generated Energy Error by 1% Measurement Error Notes

Anemometer Δ1% wind speed Δ3% energy Most important measurement

Wind vane No direct relation, but eventually wrong wind park design

Important measurement for wake effect

Barometric pressure sensor Δ1% pressure Δ1% energy Extrapolation of pressure

possible once site is known

Temperature Sensor 1°C 0.35%

Humidity Sensor with 40°C; 1% 0.05%



IEC-classified measurement instruments

Anemometer classification based on wind tunnel tests performed acc. to IEC 61400-12-1:2005

• Best anemometer on the market: Thies First Class Advanced

• Distributor of Thies sensors Ammonit

Anemometer Class A(simple landscape)

Class B(complex landscape)

Thies First Class (2005/2006) 1.5 2.9

Vector L100 (2005/2006) 1.8 4.5

WindSensor / Risø P2546 (2013) 1.32 3.71

NRG Class 1 (2012) 1.01 8.44

Vaisala WAA151 (2005/2006) 1.7 11.1

Thies First Class Advanced (2008) 0.9 3.0


Why high quality measurement equipment?

Leverage Effect: Impact of measurement error on profitability

A small error in the energy assessment has a huge impact in the profitability of a project.

wind measurement

(error)

energy assessment

(error)

profitabilitycalculation

(error)

1st leverage effect 2nd leverage effect

v P P $$$$$P = 1/2 • ρ • A • v³

1% wind speed error => 3% wind energy error


Why high quality measurement equipment?

Leverage Effect: Impact of measurement error on profitability

A small error in the energy assessment has a huge impact in the profitability of a project.

wind measurement

(error)

energy assessment

(error)

profitabilitycalculation

(error)

1st leverage effect 2nd leverage effect

v P P $$$$$

P = 1/2 • ρ • A • v³

1% wind speed error 3% wind energy error

Sensor quality

Total uncertainty @ Class B

Energy assessment @ 100,000 MWh/year Turnover @ 0.08 $/KWh

High quality 10.50% 86,560 (P90) 6,924,800 (estimated annual yield)

Low quality 11.70% 85,024 (P90) 6,801,920 (estimated annual yield)

Difference 1.2% 1,536 MWh/year 122,880 $


Mast installation

The proper placement of the mast is crucial for a successful wind measurement campaign

Regulation: IEC 61400-12-1:2005

• The standard height of approx. 100m

• The height of the measuring masts are constantly growing

• The mast must have at least 2/3 of the expected height hub

Measurement with remote sensing devices

• SoDAR (Sonic Detection and Ranging)

• LiDAR (Light Detection and Ranging)

• Measurement at hub height in up to 200m

• Complementary to met mast


Different wind profiles

Atypical profile: wind speed decreases after 30m

• Measuring wind speed at the highest height necessary



IEC-classified measurement instruments

SoDAR AQ510 ZephIR 300

• Successfully tested for IEC-compliance by leading wind consultant DNV GL

• A number of verification tests performed by leading wind consultants

• According to DNV GL accepted for bankable wind speed and energy assessments in simple terrain

• A number of verification tests performed


Summary for high quality measurement stations

• Data Logger compliant with international norms Ammonit Meteo-40

• High quality sensors Thies anemometers

• High masts (2/3 of the wind turbine, 100m)

• Monitoring software compliant with international norms Ammonit Online Report

• Good installation and maintenance team PECC3, Thinh Phong

Note: Similar to Wind Measurement, there is a big science for Solar Measurements


Cảm ơn!

Ammonit Measurement GmbH

Wrangelstrasse 100 • D-10997 Berlin (Germany)

T: +49 30 6003188-0

F: +49 30 6003188-10

[email protected]

www.ammonit.com

Please contact us for further information

Contact

vicente gutiérrez, business development manager of ammonit measurement gmbh high quality...

Documents

solar powerwww

wind site assessment

aws truepowermeasuring

northern chilemeasuring

solar supply

original measurement

different masts

international standard