Photo of Pawel Niewczas
  • United Kingdom

20002021
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Research Output 2000 2019

2019
2 Downloads (Pure)

Concrete fatigue experiment for sensor prototyping and validation of industrial SHM trials

McAlorum, J., Fusiek, G., Rubert, T. & Niewczas, P., 9 Sep 2019, 2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). Piscataway, NJ: IEEE, 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Structural health monitoring
Fatigue of materials
Concretes
Sensors
Experiments
37 Downloads (Pure)

Modulated low fault-energy protection scheme for DC smart grids

Li, C., Rakhra, P., Norman, P., Niewczas, P., Burt, G. & Clarkson, P., 17 May 2019, In : IEEE Transactions on Smart Grid. 10 p.

Research output: Contribution to journalArticle

Open Access
File
Electric fault currents
Renewable energy resources
Electric vehicles
Power electronics
Short circuit currents

Wind turbine lifetime extension decision-making based on structural health monitoring

Rubert, T., Zorzi, G., Fusiek, G., Niewczas, P., McMillan, D., McAlorum, J. & Perry, M., 31 Dec 2019, In : Renewable Energy. 143, p. 611-621 11 p.

Research output: Contribution to journalArticle

Structural health monitoring
Wind turbines
Decision making
Farms
Economics
2018
11 Citations (Scopus)
63 Downloads (Pure)

A decision support tool to assist with lifetime extension of wind turbines

Rubert, T., McMillan, D. & Niewczas, P., 31 May 2018, In : Renewable Energy. 120, p. 423-433 11 p.

Research output: Contribution to journalArticle

Open Access
File
Wind turbines
Turbogenerators
Costs
Farms
Decision making
6 Citations (Scopus)
17 Downloads (Pure)
Open Access
File
Electric fault location
Electric current measurement
Learning systems
Additive noise
Wavelet transforms
2 Citations (Scopus)
11 Downloads (Pure)
Open Access
File
Fatigue testing
Fatigue
Demonstrations
Outsourcing
Sensor
3 Citations (Scopus)
27 Downloads (Pure)

Deterioration of cracks in onshore wind turbine foundations

McAlorum, J., Perry, M., Fusiek, G., Niewczas, P., Mckeeman, I. J. & Rubert, T., 15 Jul 2018, In : Engineering Structures. 167, p. 121-131 11 p.

Research output: Contribution to journalArticle

Open Access
File
Wind turbines
Deterioration
Cracks
Repair
Grouting
12 Downloads (Pure)
Open Access
File
Electric fault location
Electric potential
Overhead lines
Fiber Bragg gratings
Electric lines
33 Downloads (Pure)
Open Access
File
Electric fault location
Electric potential
Overhead lines
Fiber Bragg gratings
Electric lines
11 Downloads (Pure)

Preliminary characterization of an optical current sensor for HVDC networks

Fusiek, G. & Niewczas, P., 6 Feb 2018, (Accepted/In press) Proceedings of IEEE I2MTC 2018. Piscataway, NJ: IEEE, 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Piezoelectric transducers
Sensors
Electric potential
Electric current measurement
Fiber Bragg gratings
2017
3 Citations (Scopus)
41 Downloads (Pure)

A comparison of brazed metal and epoxied fibre Bragg grating strain sensors under high strain regimes

Mckeeman, I. J., Niewczas, P. & Khan, S., 23 Apr 2017, 25th International Conference on Optical Fiber Sensors. Bellingham, WA, Vol. 10323. 4 p. 103233E

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Fiber Bragg gratings
Sensors
Metals
Bragg gratings
Diffraction gratings
2 Citations (Scopus)
48 Downloads (Pure)

Comparison of epoxy and braze-welded attachment methods for FBG strain gauges

McAlorum, J., Rubert, T., Fusiek, G., Mckeeman, I., Clayburn, L., Perry, M. & Niewczas, P., 1 Nov 2017. 3 p.

Research output: Contribution to conferencePaper

Open Access
File
Strain gages
Atmospheric humidity
Curing
Fatigue of materials
Sensors
11 Citations (Scopus)
152 Downloads (Pure)

Crack monitoring of operational wind turbine foundations

Perry, M., McAlorum, J., Fusiek, G., Niewczas, P., McKeeman, I. & Rubert, T., 21 Aug 2017, In : Sensors. 17, 8, 20 p., 1925.

Research output: Contribution to journalArticle

Open Access
File
wind turbines
Wind turbines
cracks
Cracks
Monitoring

Distributed sensing for marine electrical system monitoring and protection applications

Booth, C. D., Niewczas, P., Orr, P. & Gordon, N., 23 Nov 2017. 6 p.

Research output: Contribution to conferencePaper

Open Access
File
Monitoring
Marine applications
Sensors
Optical fibers
Fibers
4 Citations (Scopus)
47 Downloads (Pure)

Field demonstration of real-time wind turbine foundation strain monitoring

Rubert, T., Perry, M., Fusiek, G., McAlorum, J., Niewczas, P., Brotherston, A. & McCallum, D., 31 Dec 2017, In : Sensors. 18, 1, 23 p., 97.

Research output: Contribution to journalArticle

Open Access
File
wind turbines
Wind turbines
Demonstrations
Monitoring
Optical Fibers
7 Citations (Scopus)
76 Downloads (Pure)
Open Access
File
Electric fault location
Electric current measurement
Electric lines
Underground cables
Overhead lines
4 Citations (Scopus)
1 Downloads (Pure)

Optical voltage sensor for MV networks

Fusiek, G., Nelson, J., Niewczas, P., Havunen, J., Suomalainen, E-P. & Hällström, J., 30 Oct 2017. 3 p.

Research output: Contribution to conferencePaper

Piezoelectric transducers
Voltage measurement
Sensors
Electric potential
Fiber Bragg gratings
5 Citations (Scopus)
176 Downloads (Pure)

Practical computation of di/dt for high-speed protection of DC microgrids

Li, C., Rakhra, P., Norman, P., Niewczas, P., Burt, G. & Clarkson, P., 7 Aug 2017, 2017 Second IEEE International Conference on DC Microgrids (ICDCM). Piscataway, NJ: IEEE, 7 p. 1104

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Electric fault currents
Renewable energy resources
Fault detection
Energy storage
MATLAB
17 Downloads (Pure)

Predicting freeze-thaw damage using tipping point analysis of strain data

McAlorum, J., Mckeeman, I., Perry, M., Clayburn, L. & Niewczas, P., 22 Sep 2017. 8 p.

Research output: Contribution to conferencePaper

Open Access
File
Ice
Freezing
Snow and ice removal
Containers
Water
2 Citations (Scopus)
51 Downloads (Pure)

Preliminary characterization of metal-packaged fiber Bragg gratings under fatigue loading

Fusiek, G., Rubert, T., Niewczas, P., McAlorum, J. & Perry, M., 5 Jul 2017, 2017 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) . Piscataway, NJ.: IEEE, 4 p. 7969945

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
metal fibers
Fiber Bragg gratings
Bragg gratings
Fatigue of materials
sensors
35 Citations (Scopus)
152 Downloads (Pure)

Single-ended differential protection in MTDC networks using optical sensors

Tzelepis, D., Dyśko, A., Fusiek, G., Nelson, J., Niewczas, P., Vozikis, D., Orr, P., Gordon, N. & Booth, C. D., 30 Jun 2017, In : IEEE Transactions on Power Delivery. 32, 3, p. 1605-1615 11 p.

Research output: Contribution to journalArticle

Open Access
File
Optical sensors
Busbars
Electric power transmission networks
Electric circuit breakers
Sensors
1 Citation (Scopus)
16 Downloads (Pure)
Open Access
File
wind turbines
decision making
Wind turbines
Turbogenerators
Decision making
2 Citations (Scopus)
42 Downloads (Pure)

Wireless concrete strength monitoring of wind turbine foundations

Perry, M., Fusiek, G., Niewczas, P., Rubert, T. & McAlorum, J., 16 Dec 2017, In : Sensors. 17, 12, 22 p., 2928.

Research output: Contribution to journalArticle

Open Access
File
Coal Ash
wind turbines
Wind turbines
Uncertainty
Maintenance
2016
24 Downloads (Pure)

All-optical busbar differential protection scheme for electric power systems

Nasir, M., Dysko, A., Niewczas, P. & Fusiek, G., 22 Dec 2016, 13th International Conference on Development in Power System Protection 2016 (DPSP), 2016 . CP671 ed. Stevenage, Hertfordshire, Vol. 2016. 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Busbars
Magnetooptical effects
Electric power systems
Sensors
Optical fibers
7 Citations (Scopus)
91 Downloads (Pure)

First-time demonstration of measuring concrete prestress levels with metal packaged fibre optic sensors

Mckeeman, I., Fusiek, G., Perry, M., Johnston, M., Saafi, M., Niewczas, P., Walsh, M. & Khan, S., 24 Aug 2016, In : Smart Materials and Structures. 25, 9, 10 p., 095051.

Research output: Contribution to journalArticle

Open Access
File
metal fibers
Fiber optic sensors
fiber optics
Demonstrations
Metals
1 Citation (Scopus)
60 Downloads (Pure)

Frequency characterization of an optically-interrogated Rogowski coil for smart grid protection applications

Fusiek, G., Nelson, J., Orr, P., Niewczas, P. & Booth, C., 7 Jan 2016, 2015 IEEE SENSORS Proceedings. Piscataway, NJ.: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Sensors
Capacitance
Computer simulation
34 Downloads (Pure)

Geopolymeric thermal conductivity sensors for surface-mounting onto concrete structures

Perry, M., Saafi, M., Fusiek, G. & Niewczas, P., 4 Jun 2016, Environment, Efficiency and Economic Challenges for Concrete: Proceedings. Dundee, 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Geopolymers
Magnetite
Mountings
Concrete construction
Thermal conductivity
307 Downloads (Pure)

Life extension for wind turbine structures and foundations

Rubert, T., Niewczas, P. & McMillan, D., 18 Mar 2016, (Accepted/In press). 11 p.

Research output: Contribution to conferencePaper

Open Access
File
Plant life extension
Wind turbines
Structural health monitoring
Turbines
Economics
3 Citations (Scopus)
97 Downloads (Pure)

Mechanical testing and modelling of the Universal 2 implant

Gislason, M. K., Foster, E., Main, D., Fusiek, G., Niewczas, P., Bransby-Zachary, M. & Nash, D. H., 1 Jun 2016, In : Medical Engineering and Physics . 38, 6, p. 511-517 7 p.

Research output: Contribution to journalArticle

Open Access
File
Mechanical testing
Mechanics
Wrist
Social Responsibility
Orthopedics
7 Citations (Scopus)
571 Downloads (Pure)

Wireless surface acoustic wave sensors for displacement and crack monitoring in concrete structures

Perry, M., McKeeman, I., Saafi, M. & Niewczas, P., 22 Feb 2016, In : Smart Materials and Structures. 25, 3, 10 p., 035035.

Research output: Contribution to journalArticle

Open Access
File
concrete structures
Concrete construction
Surface waves
cracks
Acoustic waves
2015
11 Citations (Scopus)
218 Downloads (Pure)

Distributed photonic instrumentation for power system protection and control

Orr, P., Fusiek, G., Niewczas, P., Booth, C. D., Dysko, A., Kawano, F., Nishida, T. & Beaumont, P., Jan 2015, In : IEEE Transactions on Instrumentation and Measurement. 64, 1, p. 19-26 8 p.

Research output: Contribution to journalArticle

Open Access
File
Hybrid sensors
Optical sensors
Photonics
photonics
Busbars
10 Citations (Scopus)
236 Downloads (Pure)

Hybrid optical-fibre/geopolymer sensors for structural health monitoring of concrete structures

Perry, M., Saafi, M., Fusiek, G. & Niewczas, P., 24 Feb 2015, In : Smart Materials and Structures. 24, 4, 8 p., 045011.

Research output: Contribution to journalArticle

Open Access
File
Geopolymers
concrete structures
structural health monitoring
Structural health monitoring
Hybrid sensors
1 Citation (Scopus)
31 Downloads (Pure)

Identifying fabrication defects of metal packaged fibre Bragg grating sensors for smart pre-stressing strands

McKeeman, I., Niewczas, P. & Johnston, M., 6 Aug 2015, 2015 IEEE Workshop on Environmental, Energy, and Structural Monitoring Systems, EESMS 2015 - Proceedings. Piscataway, NJ.: IEEE, p. 61-65 5 p. 7175853

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Fiber Bragg gratings
Fabrication
Defects
Sensors
Metals
4 Citations (Scopus)
80 Downloads (Pure)

In-situ temperature calibration procedure for temperature and strain fibre Bragg grating sensors for monitoring pre-stressing strands

McKeeman, I., Fusiek, G., Perry, M., Niewczas, P. & Johnston, M., 2015, Proceedings of SPIE - The International Society for Optical Engineering. Kalinowski, H. J., Fabris, J. L. & Bock, W. J. (eds.). Vol. 9634. 96345I

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Fiber Bragg Grating Sensor
Fiber Bragg gratings
strands
Induction Heating
Bragg gratings
7 Citations (Scopus)
87 Downloads (Pure)

Laboratory investigation of an intensiometric dual FBG-based hybrid voltage sensor

Fusiek, G. & Niewczas, P., 28 Sep 2015, Proceedings of SPIE - The International Society for Optical Engineering. Kalinowski, H. J., Fabris, J. L. & Bock, W. J. (eds.). Vol. 9634. 4 p. 96341H

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Voltage
Sensor
sensors
Sensors
Electric potential
1 Citation (Scopus)
52 Downloads (Pure)

Metal-Packaged fibre Bragg grating strain sensors for surface mounting onto spalled concrete wind turbine foundations

Perry, M., Fusiek, G., McKeeman, I., Niewczas, P. & Saafi, M., 28 Sep 2015, Proceedings of SPIE - The International Society for Optical Engineering. Kalinowski, H. J., Fabris, J. L. & Bock, W. J. (eds.). Vol. 9634. 4 p. 963466

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
metal fibers
Strain Sensor
wind turbines
Wind Turbine
Fiber Grating
6 Citations (Scopus)
122 Downloads (Pure)
Open Access
File
Voltage measurement
Electric potential
Sensor arrays
Fiber Bragg gratings
Wavelength division multiplexing
5 Citations (Scopus)
224 Downloads (Pure)

Tipping point analysis of cracking in reinforced concrete

Perry, M., Livina, V. & Niewczas, P., 11 Dec 2015, In : Smart Materials and Structures. 25, 1, 9 p., 015027.

Research output: Contribution to journalArticle

Open Access
File
Reinforced concrete
Geophysics
structural health monitoring
warning systems
Structural health monitoring
72 Downloads (Pure)

Wind turbine foundation deburial sensors based on induction-heated ceramic patches

Perry, M., Saafi, M., Fusiek, G. & Niewczas, P., 7 Sep 2015, Proceedings of SMAR 2015 the 3rd Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures: [7-9 September 2015, Antalya TR]. Ilki, A., Motavalli, M., Inci, P. & Köhli, M. (eds.). Antalya, 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Magnetite
Wind turbines
Concretes
Geopolymers
Acoustic impedance
2014
3 Citations (Scopus)
49 Downloads (Pure)

Deformation monitoring in prestessing tendons using fibre Bragg gratings encapsulated in metallic packages

Fusiek, G., Perry, M., Niewczas, P. & Johnston, M., 2 Jun 2014, In : Proceedings of SPIE. 9157, 9157A6.

Research output: Contribution to journalConference Contribution

Open Access
File
tendons
Tendons
Fiber Grating
Fiber Bragg gratings
Bragg Grating

Development of hybrid line protection based on optical current measurement

Nasir, M., Dysko, A., Niewczas, P., Booth, C., Fusiek, G. & Orr, P., Mar 2014, (Accepted/In press).

Research output: Contribution to conferencePaper

Electric current measurement
20 Citations (Scopus)
193 Downloads (Pure)

High stress monitoring of prestressing tendons in nuclear concrete vessels using fibre-optic sensors

Perry, M., Yan, Z., Sun, Z., Zhang, L., Niewczas, P. & Johnston, M., Mar 2014, In : Nuclear Engineering and Design. 268, p. 35-40 6 p.

Research output: Contribution to journalArticle

Open Access
File
prestressing
tendons
Prestressing
fiber optics
Tendons

Metal-packaged fibre Bragg gratings for structural health monitoring

Fusiek, G., Niewczas, P. & Johnston, M., Jul 2014, Advanced Photonics: Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Washington D.C.: Optical Society of America, BTu5B.1

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Structural health monitoring
Tendons
Fiber Bragg gratings
Steel
Sensors
80 Downloads (Pure)

Preliminary evaluation of optically-interrogated Rogowski coils: compliance with power system protection classes

Fusiek, G., Orr, P., Niewczas, P., Dysko, A., Booth, C., Kawano, F., Beaumont, P., Baber, G. & Nishida, T., 2014, (Accepted/In press). 6 p.

Research output: Contribution to conferencePaper

File
Optical sensors
Compliance
56 Downloads (Pure)

Reliability of an all-optical differential current detection technique during environmental temperature perturbations

Fusiek, G., Orr, P. & Niewczas, P., Dec 2014, 2014 IEEE Sensors Proceedings. Piscataway, NJ.: IEEE, p. 1121-1124 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
Sensors
Temperature
Fiber Bragg gratings
Fault detection
Optoelectronic devices
164 Downloads (Pure)

Temperature characterisation of an optically-interrogated Rogowski coil

Fusiek, G., Orr, P. & Niewczas, P., 2014, (Accepted/In press). 4 p.

Research output: Contribution to conferencePaper

File
Sensors
Temperature
Measurement errors
Multiplexing
Thermal effects
2013

Absolute wavelength calibration technique for multiplexing interferometric fibre Bragg grating sensor interrogation systems

Orr, P. & Niewczas, P., 25 Apr 2013, In : Electronics Letters. 49, 9, p. 607-608 2 p.

Research output: Contribution to journalArticle

Fiber Bragg gratings
Multiplexing
Calibration
Wavelength
Sensors
4 Citations (Scopus)
97 Downloads (Pure)

All-optical differential current detection technique for unit protection applications

Fusiek, G., Orr, P., Wang, H. & Niewczas, P., May 2013, Proceedings of the 2013 International IEEE Conference on Instrumentation and Measurement Technology (I2MTC). IEEE, p. 1214 - 1217 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

File
Sensors
Fiber Bragg gratings
Optoelectronic devices
Sampling
Detectors
25 Citations (Scopus)
45 Downloads (Pure)

An optically-interrogated Rogowski coil for passive, multiplexable current measurement

Orr, P., Niewczas, P., Booth, C., Fusiek, G., Dysko, A., Kawano, F., Nishida, T. & Beaumont, P., Mar 2013, In : IEEE Sensors Journal. 13, 6, p. 2053-2054 2 p.

Research output: Contribution to journalArticle

Open Access
File
Electric current measurement
Transducers
transducers
coils
fibers
149 Downloads (Pure)

Development of power system protection based on optical current measurement

Nasir, M., Dysko, A., Booth, C., Niewczas, P., Orr, P. & Fusiek, G., 2013. 4 p.

Research output: Contribution to conferencePaper

File
Electric current measurement
Piezoelectric transducers
Sensors
Electric potential
Fiber Bragg gratings