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Micafluid AG
Company Presentation
Andreas Gruber
Dipl. Ing. TS
CEO Micafluid AG
MICAFLUID / URBANOVA PRESENATION
LUANDA ANGOLA 2013
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History of oil plants based on Micafil technology 1913 Micafil founded by Mr. Fritz Aebi (formerly with Brown Boveri, Micarta Div.)
1920 BBC becomes the main shareholder of Micafil
1921 Development of first oil filtering plant on the market
1928 Development of first oil conditioning plant on the market
1945 Improvement in exports for oil purification plants into world wide market
1978 Development of a new series of oil purification plants
1990 Construction of the first cable drying and impregnation plant with “on-line” degassing system
1994 ISO 9001 Certification (ABB Micafil)
1998 ISO 14001 Certification (ABB Micafil)
2000 First LFH drying plant (2nd generation) for drying of power transformers in the field in combination with hot oil spray
2002 Development of a new line of oil treatment plants (types Micafil VOT)
2003 Construction of the first automatic water and air contend measuring instrument
2006 MBO of the oil treatment and regeneration business of ABB Switzerland Ltd, Micafil, by MICAFLUID AG
2006 Development of new high performance oil treatment plants (types Micafluid VOP)
2006 Development of a new automatic oil flow control system (Micafluid OLC System)
2007 New PLC control system with highest safety technology
2008 GSM and Intranet process control
2009 New foam control system type MICAfoam
2009 ISO 9001 Certificate (Micafluid AG)
2009 High capacity oil purification VOP100-50 (50’0000lt/h)
2010 Development of new regeneration unit type REOIL-5000 in corporation with Partner Ekofluid
2010 Development of new ultra sound measuring unit TransCom X
2011 Corporation with Elantas for treatment of new Becfluid oil (Natural Ester)
2012 New test oil unit with glass degassing tank for testing of various oil types
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History of oil plants made by Micafluid AG
1913 Micafil Company founded (100 years of knowledges)
2006 Micafluid starts production of VOP (MBA of ABB Micafil)
2009 VOP units sold
2013 Up to now 300 units have been sold worldwide
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Micafluid Company Profile
Competence and Experience
Micafluid AG, Switzerland was found in 2005 and has taken over the oil treatment and regeneration business
from ABB Switzerland Micafil, the official signing date was on 28th Feb 2006.
Since 1st of March 2006 MICAFLUID Ltd has started its operation in the new location in Zurich, Schlieren.
Through the nearby situated airport and logistical centres, our worldwide presence is assured and our
procurement times can be kept at a minimum.
Furthermore, Micafluid is working together with the partner company Ekofluid Bratislava. In cooperation with
Ekofluid we are also able to offer regeneration units with automatic reactivation of Fullers Earth.
University connections and collaboration with research centres permit us to continuously expand fundamental
understandings.
To identify trends, technical data are collected from the past and presence. This allows Micafluid to offer
competent services for our products. Annual training programs for our staff increase the level of competence
and teamwork among our staff.
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Micafluid Company Profile
Company Products Overview
Vacuum purification system for the electrical industry
Oil treatment plant type VOP
Online treatment type VOP-online (treatment while transformer is energised)
Oil filtration unit type OFP
Vacuum systems VPS
Drying plants for electrical equipment and components
Hot oil spray units type HOS
Combination of hot oil spray and LFH drying systems
Treatment and regeneration plants for insulating (transformer) oil
Oil regeneration unit type CRP
Fully automatic reactivation of Fullers Earth plant REOIL
Online fuller earth unit REOIL-online (regeneration while transformer is energised)
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Micafluid Company Profile
Company Products Overview cont….
Fully automatic oil filling system
Oil treatment and filling system for instrument transformers
Oil filling system for condenser
Oil farm system
Purification of special oils
Treatment for cable oils (High viscose silicon oils with up to 5000ct)
Treatment and filtering of turbine and generator oils
Treatment for silicon oils (low viscose insulating oil)
Treatment and filtering for lubrication oils
Treatment and filtering of Ester oils (Natural and synthetic oil type; Midel, FR3, Becfluid)
Oil storage tanks
Manufacturing of stationary oil storage tanks
Supply of flexible oil storage tanks (Rubber tank)
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Micafluid Company Profile
Measuring units
Online water and air content measuring unit type VZ212A
Online tan delta measuring unit type VZ220-online
Tan delta measuring unit for Laboratory use type VZ220A
Level control device for automatic oil filling systems type OLC system
Oil foam sensor type MICAfoam
Online multispectral ultrasound measuring unit type TranSCoM X3
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Micafluid Company Profile
Corporate Mission
To be the first class supplier of oil treatment, filtering and regeneration units for transformer oil,
generator oil, turbine oil, silicon oil, lube oil and many others more
Leading partner for engineering and installation of vacuum processing and purification plants
Worldwide Market and Customers
ABB Merlin Gerin EDF TBEA (China)
Ansaldo Mitsubishi ENEL Togliatti
Alstom RWE Antritz Group GECOL
Areva Siemens T&D BAODING Group France Trafo
General Electric Toshiba SHENYANG Group Tamini
Groupe Schneider AXPO (NOK) SEWA Dubai Wilson Transformers Australia
Hitachi VKW SCECO KSA MR Regensburg
XIAN Group Hyundai Heavy Industries Temelin Power plant CZ Efacec
Prolec Mexico El Sewedy Egypt Pfiffner Brasil PEEGT Syria
… and many others more
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Micafluid Company Profile
Key Figures (2011)
Revenues: 6.500’000 CHF
Share Capital: 100’000 CHF
Number of Employees: 19 (incl. part time)
Production Floor Space: 1200 m2
Export share: > 95 %
R & D in % of Revenues: approx. 5 %
Manufacturing
Outsourcing: Vessel, pipes, steelworks, painting and packing
Subcontracting: Special components, vacuum chambers, oil distribution systems;
vacuum pump system, oil filling system, LFH & HOS drying systems
Inhouse: Electrical controls, wiring, assembly, repair works, full functional & factory
test acceptance test, training and commissioning, R&D, engineering & design
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Performance today
Production per year: 30 - 40 units
Retrofit of old plants: 5 - 10 units per year
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Location of Micafluid Oil Purification Systems
Schlieren
Kloten
Airport
Zürich
Chur
Bern
Basel
Micafluid AG
Südstrasse 1
8952 Schlieren
www.micafluid.ch
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What oil treatment means……….
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Anforderungen
Nobody wants to face such a problem!!!
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APS-Phoenix Arizona (5 Trafos burned)
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How to explain oil treatment system?
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Oil and insulating material……
Skin / Kraftpapier
Blood / Oil
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Parameter for treatment of insulating oil
Quality of Insulating oil
Time
Pressure
Temperatur
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Equilibrium moisture in paper vs. active part of transformer
Example:
100 times more water in paper
(%) compare to the amount of
moisture in oil (ppm)
(e.g. 20ppm vs. 2%)
Quality of insulation oils
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Feuchtevergleich Isolationspapier / Öl
Qualität vom Isolieröl
3.0 % at 50°C Feuchte im Papier
25ppm im Öl
(1ppm = 0.05kg H2O im Öl)
Resultat
25ppm = 1.25 kg H2O im Öl
3% = 150 kg H2O Papier
Beispiel
Ölvolumen: 50’000kg
Insolationsgewicht: 5’000kg
Feuchte im Papier: 3%
120 x mehr Feuchte im Papier
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Quality of insulating oils
Changing of oil viscosity and temperature
Water and gas (air) contend
Transformer oil temperature
Oxidation products
Water contaminated cellulose particle
Acidification
Sediment and sludge
Solid contamination
Factors which mainly influence the quality of insulating oil
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Ageing of oil and insulating material
Main factors which influence the ageing process:
Temperatur
Oxygen
Acitity
Short chain type
Long chain type
Ageing process:
End product Sludge
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Variable oil flow adjustable during process
Adjustable oil quality
Best treating values in one or several passes
Optimum oil filtration
No evaporation of light oil fractions (purification above oil vapour pressure at actual treatment temperature)
On line measuring equipment for determination of specific and total water extraction
Easy and safety handling
Demands on oil treatment plants
Treatment of insulating oil
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Demand on high performance oil treatment plant
Vapour pressure curve in function of
the oil temperature:
1. Shell Diala D
2. Shell Diala C
3. ESSO Univolt 64
Calculation for Shell Diala D
-Oil Temperature = 60°C
-Vapour pressure = 0.1mbar!!!!
Critical point of evaporation of oil fractions
2
3
1
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Specification for unused insulating liquids : IEC 60296
Electrical breakdown (AC) : IEC 60156
Dielectric dissipation factor and resistivity of oil : IEC 60247
Water content (Karl Fischer) : IEC 60814
Acidity (Neutralisation factor) : IEC 62021
Sediment and Sludge content : IEC 61125
Oxidation stability : IEC 61125
Inhibitor content (Anti-oxidant additives) : IEC 60666
Gas in oil analysis : IEC 60567
Particulates ( particle count) : IEC 60970
Technology
Normative references (International Standard IEC 60422) (International Electrotechnical Commission)
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Treatment of insulating oil
Product range of VOP’s VOP03 100-300lt/h
VOP05 200- 500lt/h
VOP 10 300- 1000lt/h
VOP 30 1000- 3000lt/h
VOP 60 2000- 6000lt/h
VOP 90 3000- 9000lt/h
VOP120 4000-12000lt/h
VOP160 4000-16000lt/h
VOP200 8000-20000lt/h
VOP300 12000-30000lt/h
VOP100-50 up to 50000lt/h
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Treatment of insulating oil
Main components:
1 Inlet valve
3 Inlet coarse filter
5 Solenoid valve
10 Elect. heater
15 Degassing tank
20 Feeding pump
25 Fine filter
30 Non return valve
35 Outlet valve
45 Main Vacuum pump
170 Second vacuum pump
110 By pass line
Diagram
Type VOP120
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Treatment of insulating oil Optimised vacuum
system
Automatic oil flow control
Best degassing
No evaporation of light oil fractions
Level control by photo cell
No maintenance
No spare parts
Anti-froth control
Degassing system
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Treatment of insulating oil
Electrical heating
elements in guard
tubes
Low specific heat
load by careful
heating up of oil
Heating regulated by
PID controller and
thyristor relays
(*PID = Proportional
Integral Differential)
Heating system
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Treatment of insulating oil
Micafil absolute filter element:
Graded pore structure
Fibre spun bonded filter
Non hygroscope filter cartridges
Contaminated captured in outer
60 % of element
Long service life (4 million litre
by new oil)
Multi pass test ISO 4572
high stability
Available mesh size 5 or / and 1
micron
Nominal filter
Absolute filter
Micafil absolute
filter cartridges
Filtering system
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Treatment of insulating oil
R1013
Emergency
STOPP
H1916
Operational hours
170 5 20 10.1 10.3
7
44
54 23
45 10.2 10.4
180
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Treatment of insulating oil
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Treatment of insulating oil
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Leak probe
Second vacuum
pump
Vacuum connection
Flow counter
Oil hose with
quick coupling
Second fine filter
with connection
for fuller earth
plant (regeneration)
Optional equipments
Treatment of insulating oil
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Treatment of insulating oil
Semi mobile
Trailer with tarpaulin
Trailer with alu housing
Independent
feeding pump
VZ 212A
6 point recorder
Optional equipments
Spare parts
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Treatment of insulating oil
Transportation of VOP plant
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Pictures of VOP
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Pictures of VOP
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Principal of Online Oil Treatment
Principal of Online Oil Regeneration
Conventional method
Reactivation method
Online treatment and regeneration in the field
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Principal of an online treatment process
Degassing tank
Fine filter
Oil heater
Transformer
Control module
Pre filter
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Drying processes in the field
Oil circulation / drying with energised transformer A Transformer oil outlet
B Transformer oil inlet
1 Inlet valve VOP
5 Solenoid valve (VOP)
10 Heater
15 Degassing tank
20 Spindle pump
25 Fine filter
27 Evacuation valve
35 Outlet valve VOP
300 Oil level device
300.10 Oil level valve
300.20 Shut off valve outlet
310 Shut off valve inlet
305.21 Oil level probe
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Principal of Oil Regeneration
Regenerated
oil
Clean oil
H2O Acidity
Used oil Gases
Gases
Inhibitor
Regenera
tion
Aged oil
Clay (fullers earth)
Clay
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Online regeneration (Conventional)
+ regeneration of aged oil
+ manual process
+ removal of sludge and acidity
+ particles filtering
+ combination of regeneration and treatment
+ low investment cost
-saturated clay must be disposed
- environmental aspect
Conventional fuller method
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Online regeneration (Automatic Reactivation)
Regeneration and re-adsorbtion
+ continuous regeneration of aged oil
+ fully automatic process (reactivation of clay)
+ removal of sludge and acidity
+ particles filtering
+ variable oil flow
+ combination of regeneration and treatment
+ stationary or mobile installation
+ varies application (trafo, used motor, vegi oils)
- high investment cost for such a plant
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Pressure fuller method
(CRP)
50‘000 kg of used oil needs 5000kg clay
Start NN no. = 0.2
Stop NN no. = 0.03
Change fuller earth =after ca.10-15 passes
Empty
Filling
Up to 300 Reactivation possible
Regeneration & Reactivation process
(MORP)
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Principal diagram of regeneration process
Regeneration & Reactivation process Pressure fuller process
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Treatment during Regeneration process
A big advantage of the fully automatic regeneration process is, beside
others, the simultanious treatment process (Degassind and dewatering
after regeneration of the oil)
Online Regeneration process with optional supervision devices
Degassing tank REOIL plant
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Mimic diagram of fully auto regeneration process
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Picture of REOIL plants
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VZ 212A Cell
Online data:
- Moisture content (ppm)
- Total gas content (Vol%)
- Inlet oil temp (°C)
- Outlet oil temp (°C)
- Operating pressure Ps (mbar)
Measuring instruments for insulating oils
Short instruction:
Measuring of Gas absorption pressure Ps (mbar)
Simultaneous determination of water and total air content
Digital recorder and storage of measuring results
Fully automatic operation
Maintenance free
No chemicals
Estimation of oil colour number
Online moisture and air content measuring unit, type VZ 212A
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Online Cell
Messinstrumente für Isolieröle
Lab & Online Tan Delta measuring unit Type VZ 220A
Heating device for 90°C measurment Labor unit
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Measuring instruments
Multispectral Ultrasound Online Transformer Oil Measuring
Device of Type TranSCoM X3
• absolute water content in ppm, recalculated to the amount of water (mg H2O/kg oil) at 20°C as
indicated in the standard IEC 60422
• breakdown voltage (BDV) in kV, as indicated in the standard IEC 60422
• dielectric dissipation factor (DDF) tan δ which is dimensionless
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Quality Certificate
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Summary of highlights
Large experience in manufacturing of standard and special plants
Many references worldwide
Very long life time of the plants
Permanently new developments
Modular assembly
Minimum maintenance work
Easy and safe operation
Minimal energy consumption
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Film ……
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Partner to the
electrical industry
COMPETENCE AND EXPERIENCE