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Projects
oke-services	projects	publications	cv henk

Running projects
2005-date:	Design and development of the OK4All
2005-date:	Design and development of the the ADO, the active diode of OKE-services, a smart diode which can also be used in PV-modules
2005-date:	Design and development of the OKE voltage multiplier intended for dc-dc conversion of 12/24 Volts to 240 Volts at very high efficiencies
2004-date	Design and development of the PV-watchdog
2002-date:	Design and development of the PV-wirefree concept
2002-date:	Design and development of several LED applications

Concluded projects
In this table we have listed only a limited number of projects executed by Henk Oldenkamp, OKE-Services.

2002:
Design of the electronics of the 4Fresh, an air refresher for bathrooms by order of Hokatex

1998-2002:
Design and development of the OK5 inverter, to be used for PV modules and/or systems of about 250 Watts.

1993-1998:
Design and development of the OK4, an AC module inverter to be used for PV modules of 100-130 Watts. Of this inverter were more than 80 000 pieces produced by NKF.

1990-1994
Assistance to NKF, Dutch Cable Company, Electronics Division. Activities:

development of a computer controlled measuring system for final testing of fiber optic transmission equipment for CATV/CCTV purposes;
development of products for optical transmission for CATV/CCTV applications;
trouble shooting on the CCTV project for the London underground; several short missions to the United Kingdom
interim head of the Development Department of the NKF Electronics Group.

March 1990:
Analysis of measurements on CWD's water pumping windmills performed during the storm of the 25th of January 1990 by order of CWD, Consultancy Services Wind Energy Developing Countries.
1989-1990:
Rotor- and yaw-speed measurements on water pumping windmills at the Almere test site by order of CWD, Consultancy Services Wind Energy Developing Countries:

supply of preliminary report on the use of rotor- and yaw-speed measurements;
development of the hardware, software and interfacing;
development and installation of the sensors and data-processing equipment for measuring and registration of the mechanical and physical quantities;
processing the measured data and reporting the results;
overall responsibility for the (quality of the) results and measurements.

October 1989:
Training instruction for a course on the 12-channel FDM-carrier system of the Roadside telephone system in Iraq by order of Philips Projects Centre:

preparation of manual in which general aspects of telecommunication systems are explained and the modules of the 12-channel FDM-carrier system are discussed seperately including their interconnections;
in October-November 1989 the course was held for local maintenance people at the Baghdad Higher Institute for Communication and Post, Iraq.

April 1989:
Trouble shooting on a noise interference problem between DC-DC converters and the transmission system used for the Kenya Railway Telecommunications project Nairobi-Mombasa by order of Philips Projects Centre:

detailed field measurements in Kenya for localizing noise sources;
design and local manufacture of special converter noise filters;
installation and evaluation of the filters.

1984-1990:
Performance testing of water pumping windmills at the Almere test site by order of CWD, Consultancy Services Wind Energy Developing Countries:

overall responsibility for the hardware and software, the quality of the results and measurements;
development and installation of the sensors and data-processing equipment for measuring and registration of the mechanical and physical quantities.

1984-1986:
Design and manufacturing of several interfacing products for Apple II PC's.

Concluded projects In this table we have listed only a limited number of projects executed by Henk Oldenkamp, OKE-Services.
2002:	Design of the electronics of the 4Fresh, an air refresher for bathrooms by order of Hokatex
1998-2002:	Design and development of the OK5 inverter, to be used for PV modules and/or systems of about 250 Watts.
1993-1998:	Design and development of the OK4, an AC module inverter to be used for PV modules of 100-130 Watts. Of this inverter were more than 80 000 pieces produced by NKF.
1990-1994	Assistance to NKF, Dutch Cable Company, Electronics Division. Activities: development of a computer controlled measuring system for final testing of fiber optic transmission equipment for CATV/CCTV purposes; development of products for optical transmission for CATV/CCTV applications; trouble shooting on the CCTV project for the London underground; several short missions to the United Kingdom interim head of the Development Department of the NKF Electronics Group.
March 1990:	Analysis of measurements on CWD's water pumping windmills performed during the storm of the 25th of January 1990 by order of CWD, Consultancy Services Wind Energy Developing Countries.
1989-1990:	Rotor- and yaw-speed measurements on water pumping windmills at the Almere test site by order of CWD, Consultancy Services Wind Energy Developing Countries: supply of preliminary report on the use of rotor- and yaw-speed measurements; development of the hardware, software and interfacing; development and installation of the sensors and data-processing equipment for measuring and registration of the mechanical and physical quantities; processing the measured data and reporting the results; overall responsibility for the (quality of the) results and measurements.
October 1989:	Training instruction for a course on the 12-channel FDM-carrier system of the Roadside telephone system in Iraq by order of Philips Projects Centre: preparation of manual in which general aspects of telecommunication systems are explained and the modules of the 12-channel FDM-carrier system are discussed seperately including their interconnections; in October-November 1989 the course was held for local maintenance people at the Baghdad Higher Institute for Communication and Post, Iraq.
April 1989:	Trouble shooting on a noise interference problem between DC-DC converters and the transmission system used for the Kenya Railway Telecommunications project Nairobi-Mombasa by order of Philips Projects Centre: detailed field measurements in Kenya for localizing noise sources; design and local manufacture of special converter noise filters; installation and evaluation of the filters.
1984-1990:	Performance testing of water pumping windmills at the Almere test site by order of CWD, Consultancy Services Wind Energy Developing Countries: overall responsibility for the hardware and software, the quality of the results and measurements; development and installation of the sensors and data-processing equipment for measuring and registration of the mechanical and physical quantities.
1984-1986:	Design and manufacturing of several interfacing products for Apple II PC's.