COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
CRANES
WINCHES & INDUSTRY
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Index
Okay Industrial Systems
4
Organization structure
5
Brands and systems
7
Speed controlled installations with frequency drives
8
Product references Cranes, Winches & Industry
9
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Policy statement according Safety, Health and Environment of
OKAY INDUSTRIAL SYSTEMS B.V. located in Heemskerk
Okay Industrial Systems B.V. is involved by the execution of a safe and healthy working environment for own as
temporary employees, third parties and property against injury and damage, as applicable in our industry and
follows the legal requirements.
We will strive to set the standard in safety. For this purpose is a safety system in accordance with VCA* version
2008/5.1 implemented and applied.
Our goal is to eliminate all possible hazards such as:
- Personal injuries
- Occupational disease
- Fire
- Damage to property
- Damage by fraud
- Environment damage
Accident losses can be controlled by good management. Controlling damage and accidents is the responsibility
of the management and any temporary employees together. It is a common task to bring security to a higher
platform and maintain. Also an external security expert support us with this.
The management of Okay Industrial Systems is required to the safety, that will be placed, be required by law or
imposed by clients when performing the engineering, manufacturing, assembly and maintenance of installations
with electrical control and drive technology.
All and any temporary employees will perform their duties properly, in accordance with established procedures
and the associated philosophy with respect to health, safety, welfare and the environment.
I trust that this policy supports from the commitment to health, safety, welfare and the environment and will
experience this for granted.
Heemskerk April 2012
Netherlands
V.Bark
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Okay Industrial Systems
Okay Industrial Systems is a Dutch international operating based company, with many years of branch
experience, established under the law of the kingdom of the Netherlands.
Founded in the seventies, Okay Industrial Systems was from its origin a company mainly active in the field of
hoisting and driving equipment for cranes, winches, machinery and ships. For a long period of time, new
building and repairs of various systems were the main targets of the company.
Okay Industrial Systems is an independent electrical company, specialized in engineering, manufacturing
and supply of variable speed drive systems for transport, heavy material handling, industrial utilities and
marine applications. Service, maintenance and repair activities enhance to a total commitment.
The company is very well informed about developments in the fields of electrical engineering and industrial
automation. They are able to complete all sizes of projects and, if required, to go offshore and abroad.
Working according standards as ISO 9001 certification, a practical system of company procedures has been
established. Okay Industrial Systems works according to the *CE-norm.
Okay Industrial Systems is VCA certified and works according to a stringent *ARBO-policy, which
guarantees optimal security and working conditions.
*CE: Conformité Europée
(Essential safety and environmental requirements as defined in the so-called European Directives)
*VCA: Veiligheid Checklist Aannemers
(Safety Management System, certified by Bureau Veritas Quality International B.V.)
*ARBO: ARBeids Omstandigheden
(Optimal security and working conditions as required by the Dutch Law/Government)
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Objective
Okay Industrial Systems objective is the delivery of a quality good product at a reasonable price.
Market segments
Okay Industrial Systems is highly experienced in the following market segments:
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Electrical systems for hoisting cranes.
Electrical systems for anchor- and mooring winches.
Load measurement and load security systems.
Ship-installations and diesel electrical propulsion.
Offshore installations.
Conveyor systems.
AC- and DC power drives.
Machine controls.
Inspection and consultancy.
Organization structure
A production area enables Okay Industrial Systems to handle large objects if necessary. The workshop is
located in the industrial area “Heemskerk” west of Amsterdam.
Skilled employees work according to high quality standards at the engineering-, workshop-, field-, and
service departments.
A management team takes care of the overall project control. If necessary, extra manpower for production
activities can be recruited from well-known renowned companies.
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Engineering and design
The engineers of Okay Industrial Systems support the projects by means of AUTOCAD and E-PLAN
computer design systems. They make studies, proposals and designs. They also lead and coordinate the
projects.
In consultation with the customer a set of desires and demands will be put together, which will be
continuously tested.
If required, training for personnel, support and after sales can be provided.
Industrial automation
The engineers also develop and complete Scada / HMI- and PLC-controlled installations, in the hardware
and software field. We provides both Industrial Automation, hardware and software, including services. The
services include design, implementation, installation, training and pre/after sales support.
Manufacturing of switchboards and control panels
Okay Industrial Systems manufactures low voltage electrical switchboards in its manufacturing facility,
located at Heemskerk.
The facility specializes in producing custom-built switchboards comprehensive inspection and test plans are
completed by qualified staff on each switchboard and these are available to our customers on request.
Okay Industrial Systems assembles switchboard and control panels, always according to the latest valid
norms such as NEN 1010, IEC standard and to the class requirements by the client.
Electrical Installations
The company provides, with an enthusiastic team, for building, rebuilding, maintenance, service and aftersales. The company provides a safe and reliable electrical service which ensures that the work is complete
and in accordance with the relevant codes. This scope of work includes assembling, installing, testing and
maintaining electrical or electronic wiring, equipment, apparatus and fixtures.
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Brands and systems
PLC’s
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Siemens
Wago
Vipa
Scada software
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Movicon Scada/HMI Technology
WinCC Scada/HMI Technology
Frequency drives
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Siemens
ABB
Santerno
DC Drives
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Siemens
ABB
Sprint Electric
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Speed controlled installations with frequency drives and squirrel cage
motors.
+ Solid and reliable
 Squirrel cage motors are solid and reliable.
 Carbon brushes are not applicable, resulting in lower maintenance costs.
+ Excellent speed control
 Speed regulation between 0 – 100% with a high torque.
 Control of speed is excellent, even at low speed and compared to the controllability of
slipring motors or DC-motors.
th
 In case of a “black-out” in the 4 quadrant an electrical slowdown will occur.
+ Adjustable torque
 Torque is adjustable.
+ Fast acceleration
 Fast acceleration.
+ Higher speed
 Speed can be over synchronous controlled.
+ Low start currents
 Low start currents, which is an advantage for the power source.
+ Controlled brake and hold operation
 Brakes are no subject to wear trough controlled brake and hold operation.
+ Availability brake resistors
 Brake resistors with brake choppers are available for weak board power supplies.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Main control panel & Remote control panel Janssen Biologics
Electrical installation for Janssen Biologics.
“Down Stream Processing”,
Main control panel.
Okay Industrial Systems delivered two new control panels for the production of biopharmaceutical
medicines.The control panels are performed according Janssen Biologics and EMC -standards
The heart of the system is based on Siemens technology.
Installation configuration:
Touch panel
- 1 x Siemens touch panel, TP 1500.
CPU
- 1 x Siemens CPU, 1513-1 PN.
Ethernet connection
- 1 x Siemens Ethernet switch 8 channel Scalance X208.
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EMC-Shielded.
8 channel Siemens counter card.
S7 – 300 Siemens analog input card 16 AI.
S7 – 300 Siemens digital output card 16 DO.
Mounting materials
 Tehalit
 Weidmuller
 Lapp Benelux
 Schneider
 Kraus & Naimer
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Main control panel NUON
Electrical installation for Nuon Energy Plant Velsen Noord.
“Radial Drilling Machine”,
Main control panel.
Okay Industrial Systems delivered and installed a new control panel for the radial drilling machine on
location of NUON Energy Plant Velsen Noord. The drilling machine with the existing control panel was rejected
for electrical and safety reasons. After renewing of the panel the drilling machine is ready to use.
Installation executed with:
Cabinet
- 1 x Rittal AE1000x600x250.
Circuit breakers
- Several circuit breakers, make Schneider Electric.
Power Supply
- 1 x One phase power supply, Riedel.
Mounting materials
 Tehalit
 Weidmuller
 Lapp Benelux
 Schneider
 Kraus & Naimer
 Wiska
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Main control panel Icova
Electrical installation for Icova Amsterdam.
“Electrical Compactor”,
Main control panel.
Okay Industrial Systems delivered to Icova Amsterdam seven new control panels for the new waste shredders
of food market Albert Heijn. The shredders grind the excess food of the foodmarkets from Albert Heijn. With
these kind of applications the end user shows to be environmentally friendly.
Installation executed with:
Cabinet
- 1 x Legrand Marine AE1000x810x300.
Frequency drives
 2 x Nordac frequency drives, 4kW.
PLC
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1 x Panasonic PLC CPU 16DI, 8DO.
1 x Panasonic CPU 16DI, 16DO.
Circuit breakers
- Several circuit breakers, make Eaton Industries.
Power Supply
- 1 x DC power supply, Meanwell.
Mounting materials
 Legrand
 Weidmuller
 Lapp Benelux
 Schneider
 Kraus & Naimer
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Main control panel Waternet
Electrical installation for Waternet Amsterdam .
“ 9 Pumping Stations”,
Main control panel.
Okay Industrial Systems delivered and installed 9 new control panels for the sewage pumping stations in
Amsterdam. The old control panels didn’t satisfies the current electrical standards. After building and
replacing the old ones for a new one, a GPS system is integrated and will monitor the status of the pomp
station.
Installation executed with:
Cabinet
- 1 x Staka RH1400 1150x1400x350 (outside)
- 1 x Rittal AE 760x760x210 (inside)
Circuit breakers
- Several circuit breakers, make ABB.
SMS detector
- 1 x Programmable controller, make M2M Control.
Signal conditioning instrument
- 2 x Universal Signal Conditioning Instrument, make Vega.
Mounting materials
 Hager
 Phoenix
 Lapp Benelux
 ABB
 Kraus & Naimer
 Wiska
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Mooring Line Deployment Winch
Electrical installation for a Mooring Line Deployment Winch
“sscv BALDER” Heerema
Principle Amclyde U.S.A.
The Mooring Line Deployment Winch is a self-contained unit for deployment and recovery of deep-water
mooring lines.
Control can be done from a local control station, a remote wireless station or from the ship’s control room.
The drive system is equipped with frequency drives based on DC-bus system and standard squirrel cage
motors.
Line supply source 3,3/4,16kV; transformer 3,3/4,16kV – 690/400V on the winch.
Installation configuration:
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Squirrel cage motors for:
- Winch 4x 315 kW.
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Frequency drives based on DC-bus system, Siemens.
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Brake choppers and brake resistors.
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PLC controlled with data link to frequency drives and industrial computers, Siemens S7.
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Control desk in e-room
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Anchor Winches
Electrical installation for 8 anchor winches
“Stanislav Yudin”
Principle Seaway Heavy Lifting
Okay Industrial Systems delivered and installed a new electrical installation for 8 anchor winches on board of
the 2500 ton crane-vessel “Stanislav Yudin”.
The existing DC thyristor drives for the 8 winches are replaced by a system based on frequency drives and
standard squirrel cage motors.
Control for each 2 winches based on DC-bus system.
Installation configuration:
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Squirrel cage motors for:
- Each winch 1x 260 kW.
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Frequency drives based on DC-bus system, Siemens.
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Brake choppers and brake resistors.
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PLC controlled with data link to frequency drives, Siemens S7.
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Renewal of the control console.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Mooring Winches
Electrical installation for 4 mooring winches
“Cornelis Tromp”
Principle Maja Amsterdam
Okay Industrial Systems delivered and installed a new electrical installation for 4 mooring winches on board
of the 25T self-floating grab crane “Cornelis Tromp”.
The existing installation for the 4 winches are replaced by a system based on frequency drives and standard
squirrel cage motors.
Control pedestal for each 2 winches on deck and remote control.
Installation configuration:
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Squirrel cage motors for:
- Each winch 1x 30 kW.
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Frequency drives, Mitsubishi.
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Brake choppers and brake resistors.
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PLC controlled with datalink to frequency drives, Siemens S7.
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Control pedestal U22/U32 Gessmann.
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Radio remote control, Cavotec.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Slipway Winches
Electrical installation for a slipway winch system
Principle Arab Ship Yard Repair
Okay Industrial Systems delivered and installed a new electrical installation for an uphaul- and downhaul
winch for the slipway to handle ships of 5000 DWT up to 140 meters length.
The installation for the 2 winches is placed and performed by a system based on frequency drives and
standard squirrel cage motors.
Control desk for the 2 winches in e-room.
Installation configuration:
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Squirrel cage motors for:
- Downhaul winch 1x 80 kW.
- Uphaul winch 1 x 500 kW.
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Frequency drives, W EG.
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Brake choppers and brake resistors.
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PLC controlled with data link to frequency drives, Siemens S7.
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Control desk in e-room.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Anchor Towing Winches
Electrical installation for an anchor/towing winch system bow/ aft for the Tugboats Ginger & Brent.
Principle Iskes Towage IJmuiden
Okay Industrial Systems delivered and installed a new electrical installation for an anchor/ towing winch system
bow/ aft.
The installation for the 2 winches is mounted and performed by a system based on frequency drives and standard
squirrel cage motors. Control desk for the 2 winches on the bridge.
Installation configuration:
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Squirrel cage motors for:
- Forward Anchor Towing Winch 1x 120 kW.
- Aft Towing Winch 1x 120 kW.
Frequency drive, ABB.
Brake chopper and brake resistor.
Control desk on the bridge.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Line Handling Towing Winches
Electrical installation for a line Handling Towing W inch on 3 pcs. LNG Tugboats.
Principle EIS Canada.
Okay Industrial Systems delivered a new electrical installation for a Line Handling Towing W inches.
The installation for the winch is mounted and performed by a system based on a frequency drive and
standard squirrel cage motor. Control desk for the winch on the bridge.
Installation configuration:
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Squirrel cage motor for:
- Line Handling Towing W inch 1x 170 kW.
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Frequency drive, ABB.
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Brake chopper and brake resistor.
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PLC controlled with data link to frequency drive, redundant design, Siemens S7.
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Control desk on the bridge.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Heavy Lift Crane, 3175MT.
Electrical installation for the Heavy Lift Crane
“DB101”
Principle Jay Ray McDermott, USA.
Okay Industrial Systems delivered and installed a new electrical installation for the heavy lift crane on board
of the DB101. Capacity in fixed position 3175MT, in revolving operation 2450 MT.
The drive system of the crane is based on a W ard-Leonard principle. Electrical motors and generators are
re-used. All the controls, switchboards and drives are renewed.
Installation configuration:
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Main Hoist 1
- 4 x DC motors of 370 kW.
- 4 x DC generators of 400 kW.
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Main Hoist 2
- 4 x DC motors of 370 kW.
- 4 x DC generators of 400 kW.
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Slewing
- 4 x DC motors of 180 kW.
- 2 x DC generators of 400 kW.
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Boomhoist
- 2 x DC motors of 370 kW.
- 2 x DC generators of 400 kW.
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Digital 2Q motor field drives, Sprint Electric.
Digital 4Q generator field drives, Sprint Electric.
PLC controlled with datalink to the drives, Siemens S7.
HMI System, Movicon.
Datalogger system, Movicon.
Operator console components.
Remote Acces System.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Heavy Lift Crane, 2500MT.
Electrical installation for the Heavy Lift Crane
“Stanislav Yudin”
Principle Seaway Heavy Lifting, Zoetermeer.
Okay Industrial Systems delivered and installed a new electrical installation for the heavy lift crane on board
of Stanislav Yudin. Capacity in revolving operation 2500MT.
The drive system of the crane is based on DC drives. Monitoring and control is done, using Scada
systems, in redundant design. Electrical motors are re-used. All the controls, switchboards drives and
cabine are renewed.
Installation configuration:

Main Hoist 1
- 1 x DC motor of 600 kW.
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Main Hoist 2
- 1x DC motor of 600 kW.
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Trolley Travel
- 1 x DC motor of 200 kW.
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Aux Hoist
- 1 x DC motor of 525 kW.
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Trolley Hoist
- 1 x DC motor of 200 kW.
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Slewing
- 6 x DC motors of 280 kW.
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Boom Hoist
- 1 x DC motor of 500 kW.
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Digital 4Q DC drives, ABB.
PLC controlled with datalink to the drives, Siemens S7.
Operator console components.
Remote Acces System.
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Scada System, WinCC Siemens.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Pedestal Crane, 40T.
Electrical installation for the Pedestal Crane
“Explorer III”
Principle Jasper Drilling, Singapore.
After a first complete conversion of the electrical installation in 1994 in Singapore, there are several parts in
the 40 tons crane renewed. The drive systems for the Main Hoist and Slewing are based on DC drives and
are renewed. Electrical motors are re-used and as spares supplied.
Installation configuration:

Main Hoist 1
- 1 x DC motor of 44,1 kW.
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Main Hoist 2
- 1 x DC motor of 44,1 kW.
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Aux Hoist
- 1x AC motor of 70 kW.
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Slewing
- 2 x DC motors of 23,5 kW.
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Boom Hoist
- 1 x AC motor of 38 kW.
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Digital 4Q DC drives, Siemens
PLC controlled with datalink to the drives, Siemens S7.
Operator console components.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Floating Grab Crane, 25T.
Electrical installation for the floating grab crane
“Dona Adriana”.
Principle Louis Dreyfus Armateurs, France.
Okay Industrial Systems delivered a a new electrical installation for hoisting and closing. The capacity of the
Lemniscate crane is 25 ton and is placed on a pontoon.
The new drive system of the crane is based on DC-drives. Parts of the existing Ward-Leonard system are
renewed. Electrical motors are renewed. Controls for the operator desks are renewed.
Installation configuration:

Hoisting
- 1 x DC motor of 300 kW.
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Closing
- 1 x DC motor of 300 kW.
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Slewing
- 3x DC motors of 63 kW.
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Boomhoist
- 1 x DC motor of 160 kW.
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Digital 4Q drives, for hoisting and closing, Siemens.
Conventional drive system for slewing and boomhoist.
Software for grab operation, Okay Industrial Systems.
PLC controlled with datalink to the drives, Siemens S7.
Operator console components.
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Reverse power resistors.
Reverse power measurements.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Floating Grab Crane, 15T.
Electrical installation for the floating grab crane
“Piet Hein”.
Principle Maja Stuwadoors Amsterdam.
Okay Industrial Systems delivered a complete renovation and adjustment for the existing electrical
installation of the crane. The capacity of the crab crane is 15 ton and is placed on a pontoon.
The drive system of the crane is based on a W ard-Leonard principle. Electrical motors and generators are
re-used. The generators has been moved from the crane to the pontoon. Several parts are renewed.
Installation configuration:

Hoisting
- 1 x DC motor of 85 kW.
- 1 x DC generator of 95 kW.

Closing
- 1 x DC motor of 85 kW.
- 1 x DC generator of 95 kW.

Slewing
- 1 x DC motor of 28 kW.
- 1 x DC generator of 32 kW.

Boomhoist
- 1 x DC motors of 50 kW.
- 1 x DC generator of 63 kW.

Conventional drive system for all movements.
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Okay Industrial Systems B.V.
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Project: Floating Grab Crane, 36T.
Electrical installation for the floating grab crane
“Crane 5”.
Principle IGMA Bulk Terminal Amsterdam.
A Cargill company
Okay Industrial Systems installed the new electrical installation for the crane. The capacity of the crane is 36
ton and is placed on a pontoon.
The drive system of the crane is based on frequency converters with squirrel cage motors.
Installation configuration:

Hoisting
- 1 x AC motor of 500 kW.

Closing
- 1 x AC motor of 500 kW.

Slewing
- 4x AC motors of 75 kW.

Boomhoist
- 4 x AC motors of 55 kW.
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Total electrical installation work.
Setting up the crane cabin.

Preparation of total electrical drawing package.
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Okay Industrial Systems B.V.
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Project: Floating Grab Crane, 30T.
Electrical installation for the floating grab crane
“EP-Ship 4”.
Principle EP Shipping, Rotterdam.
Okay Industrial Systems delivered and installed a complete new electrical installation for the
crane. The capacity of the crane is 30 ton and is placed on a pontoon.
The drive system of the crane is based on frequency converters with squirrel cage motors.
Installation configuration:

Hoisting
- 1 x AC motor of 450 kW.

Closing
- 1 x AC motor of 450 kW.

Slewing
- 4 x AC motors of 98 kW.

Boomhoist
- 2 x AC motors of 110 kW for the purpose of hydraulic pumps.
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Frequency drives based on DC-bus system, Siemens.
Brake choppers and brake resistors.
PLC controlled with datalink to the drives, Siemens S7.
Software for grab operation, Okay Industrial Systems.
Operator console components.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Floating Grab Crane, 15T.
Electrical installation for the floating grab crane
“EP-Ship 1”.
Principle EP Shipping, Rotterdam.
Okay Industrial Systems delivered and installed a complete new electrical installation for the
crane. The capacity of the crane is 15 ton and is placed on a pontoon.
The drive system of the crane is based on frequency converters with squirrel cage motors.
Installation configuration:

Hoisting
- 1 x AC motor of 160 kW.

Closing
- 1 x AC motor of 160 kW.

Slewing
- 1 x AC motor of 37 kW.

Boomhoist
- 1 x AC motor of 98 kW.





Frequency drives based on DC-bus system, Siemens.
Brake choppers and brake resistors.
PLC controlled with datalink to the drives, Siemens S7.
Software for grab operation, Okay Industrial Systems.
Operator console components.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Pedestal Grab Crane, 5T.
Electrical installation for the pedestal grab cranes.
Principle ForFarmers Hendrix Heijen and Zwolle.
Okay Industrial Systems delivered and installed a complete new electrical installations for 2
pedestal grab cranes. The crab cranes are located in Heijen and Zwolle. The capacity of the
crane is 5 ton and is placed on a pedestal.
The drive system of the crane is based on frequency converters with squirrel cage motors.
Installation configuration:

Hoisting
- 1 x AC motor of 45 kW .

Closing
- 1 x AC motor of 45 kW.

Slewing
- 1 x AC motor of 30 kW.

Boomhoist
- 1 x AC motor of 37 kW.





Frequency drives based on DC-bus system, Siemens.
Brake choppers and brake resistors.
PLC controlled with datalink to the drives, Siemens S7.
Software for grab operation, Okay Industrial Systems.
Operator console components.
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Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Floating Grab Crane, 25T.
Electrical installation for the floating
grab crane “Skyline”
Principle Maja Stuwadoors,
Amsterdam.
Okay Industrial Systems delivered and installed a complete new electrical installation for the
floating grab crane. The capacity of the crane is 25 ton and is placed on a pontoon.
The drive system of the crane is based on frequency converters with squirrel cage motors.
Installation configuration:

Hoisting
- 1 x AC motor of 315 kW.

Closing
- 1 x AC motor of 315 kW.

Slewing
- 3 x AC motors of 55 kW.

Boomhoist
- 1 x AC motor of 110 kW for the purpose of the hydraulic pump.




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Frequency drives based on DC-bus system, Siemens.
Brake choppers and brake resistors.
PLC controlled with datalink to the drives, Siemens S7.
Software for grab operation, Okay Industrial Systems.
Operator console components.
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Main control panels Saloonship Hilda
Hybride propulsion for the saloonship
“Hilda”.
Principle Hilda Company Amsterdam.
After a complete constructive restauration, Okay Industrial Systems delivered and installed a complete new
hydride propulsion installation for the saloonship Hilda. During canal conditions the saloonship sails on the
electric propulsion obtaining energy from the batteries.
When the batteries are low, the relative small diesel engine starts automatically and the generator form the
diesel engine charge the batteries. If the saloonship is ashore, the batteries can be recharged. The electrical
propulsion offers benefits as reduces fuel usage and less noise during the voyage and is an environmentally
friendly choice.
Installation configuration:

Main propulsion
- 1 x AC motor of 11 kW.

Bowthruster
-1 x AC motor of 4 kW.

Diesel engine

Batteries





Frequency drives, Siemens.
Brake choppers and brake resistors.
PLC controlled with datalink to the drives, Siemens S7.
Software for charging batteries, Okay Industrial Systems.
General board installation and components.
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COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Project: Flywheel Energy Storage solution on crane system.
Energy Storage solution for the Grab Crane
“Cornelis Tromp”.
Principle Maja Stuwadoors Amsterdam.
After the company CCM, Centre for Concepts in Mechatronics had built the flywheel, Okay Industrial
Systems Installed the electrical part of the new Energy Storage System in the grab crane.
During the work there was a close collaboration for the development and construction of the flywheel
installation. Modifications in the installation and intensive testing were part of the work.
Installation executed with:

Hoisting
- 1 x AC motor of 315 kW.

Closing
- 1 x AC motor of 315 kW.

Slewing
- 3 x AC motors of 55 kW.

Boomhoist
- 1 x AC motor of 110 kW for the purpose of the hydraulic pump.

CCM High Speed Flywheel, composed of composite material. The complete flywheel system is
based on a combination of a high speed flywheel for on-board leveling and brake energy recovery.
The heart of technology. Your technology!
COMPANY PROFILE
Okay Industrial Systems B.V.
Cranes, Winches & Industry
Okay Industrial Systems B.V.
De Trompet 1769
1967 DB Heemskerk
Netherlands
Phone:
Fax:
+31 (0)251-240660
+31 (0)251-208701
www.okayindustrialsystems.com
info@okayindustrialsystems.com
CC:
VAT:
53797345
NL.8510.21.955.B01
The heart of technology. Your technology!