van der leun Installatiebouw bv

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1 van der leun Installatiebouw bv Power Systems

At Van Der Leun all the project managers have a technical background, which allows them to understand the challenges of the project and do that extra step.

2 Van Der Leun Power Systems will performs integrated projects for a variety of applications: winches, propulsion and pumps. We do this around the world with an enthusiastic team and already for more than 40 years. Our organisation allows us to respond to all demands from the customers. At Van Der Leun all the project managers have a technical background, which allows them to understand the challenges of the project and do that extra step. This flexible attitude and wide employability will guarantee a perfect result of your project. Welcome to Van der Leun Powersystems With kind regards, Martin den Breejen Director If you Choose us, you play it safe 2

Some applications are winches, cutters, pumps and propulsion installations.

3 Our Power Systems department is a specialized business unit of the company that designs control systems for various applications. The focus is on workingboats, like hopperdredgers, cutterdredgers. Some applications are winches, cutters, pumps and propulsion installations. Marine Installations These are being controlled by frequency converters that are especially designed for the system. Also we upgrade old installations by replacing old drives with new state of the art drives. 3

Frequency converters come in different shapes and sizes.

converter for the supply of 400/230V systems.

4 Frequency converters come in different shapes and sizes. These converters are used to control the speed and torque of the electrical motor. We can supply frequency converters of all the common brands, either air or liquid cooled. Also we design, build and install these drives into your system. The frequency converter can also be used as a static converter for the supply of 400/230V systems. Frequency Converters 4 CUTTER, PUMP AND WINCH DRIVES For full and seamless control of motors we can supply a complete range of frequencydrives. If needed the drives can be cooled by Van der Leun Hex-type water coolers.

Heat exchanger Liquid cooled frequency converters can be cooled by a heat exchanger.

Steady cooling water temperatures avoid condensation and pollution of the frequency converter.

VDL HEX 40-01R 40 KW 1 400V/50HZ 3 KW RIGHT DN 63 VDL HEX 40-02L 40 KW 2 400V/50HZ 3 KW LEFT DN 63 VDL HEX

KW 1 400V/50HZ 3 KW RIGHT DN 63 VDL HEX 80-02L 40 KW 2 400V/50HZ 3 KW LEFT DN 63 VDL HEX 80-02R 40 KW 2

5 Heat exchanger Liquid cooled frequency converters can be cooled by a heat exchanger. Van der Leun heat exchangers are specially designed to guarantee a consistent cooling water temperature. Steady cooling water temperatures avoid condensation and pollution of the frequency converter. Depending on the application, these heat exchangers can be provided in various executions, with a single - or a redundant pump. DESCRIPTION KW HEX PUMP(S) VOLTAGE POWER MOTOR OUTPUT PIPING VDL HEX 40-01L 40 KW 1 400V/50HZ 3 KW LEFT DN 63 VDL HEX 40-01R 40 KW 1 400V/50HZ 3 KW RIGHT DN 63 VDL HEX 40-02L 40 KW 2 400V/50HZ 3 KW LEFT DN 63 VDL HEX 40-02R 40 KW 2 400V/50HZ 3 KW RIGHT DN 63 VDL HEX 80-01L 80 KW 1 400V/50HZ 3 KW LEFT DN 63 VDL HEX 80-01R 40 KW 1 400V/50HZ 3 KW RIGHT DN 63 VDL HEX 80-02L 40 KW 2 400V/50HZ 3 KW LEFT DN 63 VDL HEX 80-02R 40 KW 2 400V/50HZ 3 KW RIGHT DN 63 VDL MINI HEX 01L KW 1 400V/50HZ 1,5 KW LEFT DN 40 VDL MINI HEX 01R KW 1 400V/50HZ 1,5 KW RIGHT DN 40 VDL MINI HEX 02L KW 2 400V/50HZ 1,5 KW LEFT DN 40 VDL MINI HEX 01R KW 2 400V/50HZ 1,5 KW RIGHT DN 40 5

Electric Propulsion on board of ships is getting more common.

Because the efficiency of an electric propulsion is normally higher than a

system instead of a conventional diesel propulsion.

6 Electric Propulsion on board of ships is getting more common. This also applies for dredging ships. Because the efficiency of an electric propulsion is normally higher than a conventional propulsion, it can be a good idea to invest in an electrical system instead of a conventional diesel propulsion. Even though the investment costs are somewhat higher. Also there is more flexibility in positioning the diesel engines and related systems. Electric Propulsion 6

Van Der Leun offers generators that meet the

The generators can be delivered to meet the

A lot of variation is possible with regards to

7 Van Der Leun offers generators that meet the special requirments of the marine industry. These can be either shaft generators or generators for diesel generators sets. The generators can be delivered to meet the demands of the major classification societies. A lot of variation is possible with regards to the protection degree, mechanical characteristics and other accesories. Generators 7

DC Drives DC (Direct Current) Drives convert a fixed 3 phase supply voltage into a

Before the introduction of the frequency converters, these drives were used for a lot of

Nowadays digital DC drives are used to replace the old analog drives in order to upgrade

8 DC Drives DC (Direct Current) Drives convert a fixed 3 phase supply voltage into a variable DC voltage. Before the introduction of the frequency converters, these drives were used for a lot of applications, like winches, pumps and cutter installations. Nowadays digital DC drives are used to replace the old analog drives in order to upgrade the systems. A special application is the Ward Leonard system where digital DC Drives are used to control the field of the generator and motor. Regulating the speed of the connected DC motor. 8

WINCH MOTORS Winch motors with a foot- or flange housing, equipped with encoders and

First the application is investigated to select the right motor.

to determine the cooling and protection degree and the specific requirments of the

These can result in extra features, like encoders, brakes and other accesories.

In various varieties to suit proper use (on deck or inside the ship).

This cutter motor can be supplied in a big range.

9 WINCH MOTORS Winch motors with a foot- or flange housing, equipped with encoders and integrated brakes. Electric Motors can be delivered in a variety of types. First the application is investigated to select the right motor. Criteria taken into account are the mounting of the motor, the environmental conditions to determine the cooling and protection degree and the specific requirments of the application. These can result in extra features, like encoders, brakes and other accesories. Motors ELECTRICAL PROPULSION MOTORS Electrical Motors, specially designed for propulsion. In various varieties to suit proper use (on deck or inside the ship). CUTTER MOTOR Placed on the cutter ladder, this motor can be placed above or under water. This cutter motor can be supplied in a big range. SUBMERSIBLE PUMP MOTOR These submersible motors have to endure the toughest of circumstances. We can supply the best suitable solution from a complete range of types and brands. BOW THRUSTER MOTORS Electrical bow thruster motors, can be delivered with a standard or slip-ring motor. 59

Submersible ladderpump motor 1500 kw 2 Sidewinch motors 250 kw 1 Ladderwinch motor 420 kw 1 Common DC Bus with Air Cooled inverters for 7 winches Liquid cooled freq drives for cutter and ladderpump

PA system Stainless steel cable chains Wheelhouse and ECR Desks Refurbishment of complete electrical system Customer Bonn & Mees Ships Matador/Matador 2 Supplied Mainswitchboard Common DC Bus Panel

10 References 2 X kW STATIONARY CUTTER SUCTION DREDGER Shipyard IHC Kinderdijk Customer Sino Hydro Zhong Guo Shui Dian J08 Zhong Guo Shui Dian J09 Supplied 3 Generators 1800 kva 1 Submersible Cutter motor 1500 kw 1 Submersible ladderpump motor 1500 kw 2 Sidewinch motors 250 kw 1 Ladderwinch motor 420 kw 1 Common DC Bus with Air Cooled inverters for 7 winches Liquid cooled freq drives for cutter and ladderpump Total electrical Engineering And system integration Main switchboard 690V Main switchboard 400V 230 VAC Installation 24 VDC Installation Alarm installation Fire detection installation Telephone and PA system Stainless steel cable chains Wheelhouse and ECR Desks Refurbishment of complete electrical system Customer Bonn & Mees Ships Matador/Matador 2 Supplied Mainswitchboard Common DC Bus Panel for the winches with: 2 Active Front End Units 11 Inverters for the winches 2 Brake Choppers 5 Winch Motors PLC Control System 3 Control Desks 230VAC Installation 24VDC Installation Fire Detection System CCTV System for the winches 1 x kw Stationary Cutter Suction Dredger Shipyard IHC Kinderdijk Customer APC (Panama Canal Authorities) Ships Supplied Quibian I 3 Generators 1800 kva 1 Submersible Cutter motor 1500 kw 1 Submersible ladderpump motor 1500 kw 2 Sidewinch motors 250 kw 1 Ladderwinch motor 420 kw 1 Common DC Bus with Air Cooled inverters for 3 winches Liquid cooled freq drives for cutter and ladderpump Total electrical Engineering And system integration Main switchboard 690V Main switchboard 400V 230 VAC Installation 24 VDC Installation Alarm installation Fire detection installation Telephone and PA system Stainless steel cable chains Wheelhouse and ECR Desks 10

1 x Stationary Cutter Suction Dredger Electrical Propulsion/Thrusters refurisment of Ward Leonard Refurishment of DC Drives Shipyard Vosta LMG / Vantage Shipyard Customer Vroon Offshore Shipyard

system Alarm installation Fire detection installation Telephone and PA system 1 Generator 625 kva 1 Liquid cooled freq drive for 2000 kw ladderpump Stainless steel cable chains Wheelhouse and ECR

Drives for 400 kw bowthrusters Mellina Supplied 2 Liquid cooled freq drives for 1250 kw propulsion 1 Air Cooled freq.

Drives for 450 kw bow/ sternthruster Ships Cap Martin Supplied Digital control system for Cutter 2 Sidewinches 1 Ladderwinch Customer Jan De Nul Ship Vesalius Supplied Digital control system for

11 1 x Stationary Cutter Suction Dredger Electrical Propulsion/Thrusters refurisment of Ward Leonard Refurishment of DC Drives Shipyard Vosta LMG / Vantage Shipyard Customer Vroon Offshore Shipyard Deme Customer Deme Customer DEME Ships Supplied Ganga Total electrical Engineering and system integration Main switchboard 400V 230 VAC Installation 24 VDC Installation Automation of hydraulic system Alarm installation Fire detection installation Telephone and PA system 1 Generator 625 kva 1 Liquid cooled freq drive for 2000 kw ladderpump Stainless steel cable chains Wheelhouse and ECR Desks Ships Supplied Customer DEME Ship Pool Express/Base Express 2 Liquid cooled freq drives for 1300 kw propulsion 2 Air Cooled freq. Drives for 400 kw bowthrusters Mellina Supplied 2 Liquid cooled freq drives for 1250 kw propulsion 1 Air Cooled freq. Drive for 350 kw Bowthruster Customer Med Offshore Ship Supplied Med Dieci 3 Air Cooled freq. Drives for 450 kw bow/ sternthruster Ships Cap Martin Supplied Digital control system for Cutter 2 Sidewinches 1 Ladderwinch Customer Jan De Nul Ship Vesalius Supplied Digital control system for Cutter Underwaterpump 2 Sidewinches 1 Ladderwinch Customer DEME/DCI Ship Aquarius Supplied Digital control system for 2 x Cutter/Propulsion 2 x Underwaterpump/ Propulsion 2 Sidewinches 1 Ladderwinch 1 Spudwinch Ships Kaveri Supplied Digital control system for Cutter of 1030 kw Underwaterpump of 1030 kw 2 Sidewinches of 147 kw 2 Ladderwinches of 147 kw Customer DEME Ship Vlaanderen 19 Supplied Digtal control system for: 2 Underwaterpump motors of 950 kw 11

China instalações elétricas marítimas ltda. brasil Electrical installations, Brasil.

12 Van der Leun Installatiebouw bv is member of the Van der Leun Group. Our other members: e l e c t r o b o u w b v Electrical installations for buildings and industry metaalbewerking bv Metal constructions and metal processing Electrical installations, China instalações elétricas marítimas ltda. brasil Electrical installations, Brasil.. Electrical installations, Malaysia Electrical installations, Singapore Electrical installations, Singapore Van der Leun Installatiebouw bv Choose us and play it safe Electrical installations, engineering, automation, powersystems, parts installatiebouw bv Trapezium 170, 3364 DL Sliedrecht Postbus 6, 3360 AA Sliedrecht, Nederland T +31(0) F +31(0) E info@vanderleun.nl

THE DESIGN OF ANCHOR ELEVATION PLATFORMS FOR CUTTER SUCTION DREDGE D ARTAGNAN

THE DESIGN OF ANCHOR ELEVATION PLATFORMS FOR CUTTER SUCTION DREDGE D ARTAGNAN LAST MEN STANDING G.A.P.L. Teheux 1, M. Lambalk 2 ABSTRACT When dredging hard materials with a cutter suction dredge (CSD),