View
248
Download
6
Category
Preview:
Citation preview
Page 1 of 23 01.12.2014 Introduction MR PQ in Israel I I I
Israel/ Dec. 4st 2014
Maschinenfabrik Reinhausen Germany
Power Quality
Power Quality and Reliability
Dr.-Ing. Mike Ifland / MR PQ Germany
Page 2 of 23 01.12.2014 Introduction MR PQ in Israel I I I
Agenda
I MR – Introduction
I MR PQ – Fields of activity
I Maschinenfabrik Reinhausen – Power Quality Solutions
I Project Example – Harmonic Filter System
I Summary
Page 3 of 23 01.12.2014 Introduction MR PQ in Israel I I I
1. MR – Introduction 1.1 Our worldwide clients / Your market opportunities
> 80 % of all our products ever delivered are
still in operation today
> 50 % of worldwide electricity consumption
passes through a MR product
Maschinenfabrik Reinhausen GmbH (parent company)
I Founded in 1868,
MR trademark since 1901
I Majority family ownership
in fifth generation
I World market leader
in transformer switching
I 3.160 employees in MR and
26 affiliated companies (35 sites)
I 82 % of employees in Germany,
90 % export business
I Group turnover of 650 million EUR,
highest available rating (banks)
Page 4 of 23 01.12.2014 Introduction MR PQ in Israel I I I
1. MR – Introduction 1.2 Fields of activity
No transformers without a MR product Marketing of proprietary technologies
Increasing corporate value in global niches of electrical power engineering while preserving our independence
VALUE FACTURING
Decision Support for Manufacturing Excellence
TRANSFORMER CONTROL
Control of Power Transformers
POWER COMPOSITES
Composite Materials and Insulators
MESSKO INSTRUMENTS
Equipment Control and Assessment
POWER QUALITY
Solutions at Grid Nodes
HIGHVOLT TESTING
Testing and Measurement Technologies
Preferred system integrator
Tas
k
l Integration of Shop Floor Data Models into ERP
l Optimization of Automated Manufacturing Processes
l Filters and Reactive Power Compensation
l Power Flow Control in Distribution Networks
l Shop Floor Testing Systems for Grid Components
l Mobile HV / MV Systems for On-Site Testing
l Mechanical & Electrical Endurance by GFRP
l Composite Insulators for HV / MV Equipment
l Sensors, Accessories, Oil Analytic Laboratory and Secondary Brands
l Process Measuring and Control Technologies for Industry Applications
Ran
ge
Vis
ion
Goa
l B
rand
l Actuators, Electronics and Data Management
l Transformer Services
Pro
duct
s
Page 5 of 23 01.12.2014 Introduction MR PQ in Israel I I I
I Chemical industry
I Cement industry
I Pulp & Paper
I Windfarms
I Power plants
I Steel industry
I Utilities
I Mining
I Oil & Gas
I Railway
1. PQ – Fields of activity 1.1 Target industries / customers
Page 6 of 23 01.12.2014 Introduction MR PQ in Israel I I I
1. PQ – Fields of activity 1.2 Different clients facing different power quality problems
I Chemical industry
I Cement industry
I Pulp & Paper
I Windfarms
I Power plants
I Steel industry
I Utilities
I Mining
I Oil & Gas
I Railway
Unbalance
Voltage/Current Voltage variation
Harmonics
Transients
Reactive power
Voltage drops
Flicker
I Switching events
I Athmospheric overvoltage
I Transient currents/voltages
I Phase shifting voltage/current
I Leading (capacitive)
I Lagging (inductive)
I Caused by powerful single
phase loads
I Caused by harmonic sources
like converter drives, furnaces,
millions of switched mode power supply units.…
I Evaluation will distinguish harmonic
voltage/current
I Commutating effects
I Start of huge motor drives
I Caused by powerful
welding machines, presses
I Other fluctuating and
repeating loads
I Caused by long-term
load fluctuations
Turn key solutions
provided by
Page 7 of 23 01.12.2014 Introduction MR PQ in Israel I I I
1. PQ – Fields of activity 1.3 Power Quality problems electrical equipment
I Chemical industry
I Cement industry
I Pulp & Paper
I Windfarms
I Power plants
I Steel industry
I Utilities
I Mining
I Oil & Gas
I Railway
Turn key solutions
provided by
Harmonic distortions – Effects on
the network
Malfunction of protection and control devices
Additional losses:
- life span reduction
- destruction of equipment
Malfunction of ripple control
devices
Page 8 of 23 01.12.2014 Introduction MR PQ in Israel I I I
1. PQ – Fields of activity 1.4 The solution circle
I Customized solutions Taking care of specific problems
Page 9 of 23 01.12.2014 Introduction MR PQ in Israel I I I
2. MR Power quality solutions 2.2 Metal encapsulated Indoor Equipment (Harmonic filters)
Harmonics
I Harmonic filter system for indoor application / POCOS
Harm. Filter
238 Hz
1600 kvar
SM
VSD 22 MW
4800 rpm
110/10 kV
31.5 MVA
10.5 %
10 kV 50 Hz 3 ~
Harm. Filter
345 Hz
1000 kvar
Harm. Filter
575 Hz
2400 kvar
Harm. Filter
575 Hz
2400 kvar
Harm. Filter
575 Hz
2400 kvar
Harm. Filter
238 Hz
1600 kvar
SM
VSD 22 MW
4800 rpm
110/10 kV
31.5 MVA
10.5 %
10 kV 50 Hz 3 ~
Harm. Filter
345 Hz
1000 kvar
Harm. Filter
575 Hz
2400 kvar
Harm. Filter
575 Hz
2400 kvar
Harm. Filter
575 Hz
2400 kvar
110 kV 50 Hz 3 ~
Overhead line
3 km
Overhead line
20 km
SCC 498 MVASCC 1082 MVA
MAIN POWER STANDBY POWER
SCC 186 MVASCC 235 MVA
•2 x 22 MW compressor drive with 12- pulse LCI converter
•10 kV 5 steps with total power 9.8 Mvar
• HF05 (1.6 Mvar) / HF07 (1.0 Mvar) / HF 11 (3 x 2,4 Mvar)
Page 10 of 23 01.12.2014 Introduction MR PQ in Israel I I I
2. Power Quality Solutions 2.3 GRIDCON ® Modules and Stations (general overview)
Page 11 of 23 01.12.2014 Introduction MR PQ in Israel I I I
BMW-Brilliance-Automotive Shenyang – China:
I Tuned passive filter, designed for max. 660 A (inductive / reactive power
compensation)
I One active filter (500 A): similar effect, lower losses and smaller size
2. Power Quality Solutions 2.4 Low Voltage Developments
Page 12 of 23 01.12.2014 Introduction MR PQ in Israel I I I
2. Power Quality Solutions 2.5 AcF – Working principle
GRIDCON AcF:
service optimized,
modular concept with
4 modules per cabinet
Working principle of Active Filters:
Page 13 of 23 01.12.2014 Introduction MR PQ in Israel I I I
+10 %
+5 %
0 %
-5 %
-10 %
Dev
iati
on
fro
m r
ated
vo
ltag
e (i
n %
)
Medium voltage grid
Secondary
substation Low voltage grid
Maximum
feed-in case
Maximum
load case
Regulation
„downwards“
Regulation
„upwards“
20 kV 0.4 kV 0.4 kV 20 kV
Outside of allowed voltage band
Outside of allowed voltage band
2. Power Quality Solutions 2.6 GRIDCON ® Transformer
Page 14 of 23 01.12.2014 Introduction MR PQ in Israel I I I
LV grid Substation
Controller
PV
= 3~
PV
= 3~
PV
= 3~
G
V
Sensor
abgesetzte
Spannungsmessung
Actuator
MV grid
Transformer 1
Voltage regulator 3
On-load tap-changer 2
2. Power Quality Solutions 2.7 GRIDCON ® Transformer - Setup
Page 15 of 23 01.12.2014 Introduction MR PQ in Israel I I I
3. Project example – harmonic filter system 3.1 Requested compensation system
22.9 kV 13 Mvar
360 Hz
22.9 kV / 60 Hz / Busbar A
Scope of supply
22.9 kV 10 Mvar
60 Hz
Filter 5th Non-tuned
capacitor bank
22.9 kV 13 Mvar
360 Hz
22.9 kV / 60 Hz / Busbar B
Scope of supply
22.9 kV 10 Mvar
60 Hz
Filter 5th Non-tuned
capacitor bank
Page 16 of 23 01.12.2014 Introduction MR PQ in Israel I I I
3. Project example – harmonic filter system 3.2 First calculation – with specified compensation systems
• 220 kV frequency sweep of substation „Mina Constancia“
• 22.9 kV frequency sweep of substation „Mina Constancia“
• parallel resonance effects in the range of 11th harmonic
• higher harmonic range strongly damped
• impact of generated harmonics of 18/24-pulse converter are negligible
I 11th harmonic
Page 17 of 23 01.12.2014 Introduction MR PQ in Israel I I I
3. Project example – harmonic filter system 3.3 Harmonic predistortion 220 kV / specified compensation system
I Histogramm 220 kV
I 5th 1.2%
I 7th 0.6%
I 11th 3.0%
I 13th 1.5%
I 11th harmonic
I Histogramm 22.9 kV
I Voltage 22.9 kV
I 5th 0.13%
I 7th 0.52%
I 11th 8.40% !!
I 13th 1.67%
Page 18 of 23 01.12.2014 Introduction MR PQ in Israel I I I
22.9 kV 13 Mvar
300 Hz
22.9 kV / 60 Hz / Busbar A
Scope of supply
Filter 5th High-Passfilter
tuned to 11th/13th
22.9 kV 13 Mvar
300 Hz
22.9 kV / 60 Hz / Busbar B
Scope of supply
Filter 5th
22.9 kV 10 Mvar
HP 10 Ohm / 750 Hz
22.9 kV 10 Mvar
HP 10 Ohm / 750 Hz
High-Passfilter
tuned to 11th/13th
3. Project example – harmonic filter system 3.4 Design review of requested compensation system
Page 19 of 23 01.12.2014 Introduction MR PQ in Israel I I I
3. Project example – harmonic filter system 3.5 Calculation – with changed design of compensation/harmonic filter systems
• 220 kV frequency sweep of substation „Mina Constancia“
• 22.9 kV frequency sweep of substation „Mina Constancia“
• decrease of impedance in the range of 11th harmonic by factor 4
I 11th harmonic
Page 20 of 23 01.12.2014 Introduction MR PQ in Israel I I I
3. Project example – harmonic filter system 3.6 Calculation results– with changed design of compensation/harmonic filter systems
• Histogram voltage harmonics 22.9 kV I 5th 0.12%
I 7th 0.61%
I 11th 1.13%
I 13th 0.35%
I 17th 0.03%
I 19th 0.02%
• Voltage 22.9 kV
Order harmonics
(voltage)
IEC 61000-2-4
class 2
Specified
System
Recommended
System
5 6.0 0.13 0.12
7 5.0 0.52 0.61
11 3.5 8.40 1.13
13 1.5 1.67 0.35
17 1.2 0.03 0.03
19 1.1 0.02 0.02
23 0.9 0.04 0.03
25 0.8 0.03 0.03
Page 21 of 23 01.12.2014 Introduction MR PQ in Israel I I I
4. MR PQ - Summary
Encapsulated Indoor Equipment
• GRIDCON® POCOM, POCOS, POCOL
• custom biult compensation systems with a high degree of standardization
Encapsulated Outdoor Equipment
• GRIDCON® Module F,M,C,E
• Applicable as Fixed, Multiple, Concrete, E-House
Dynamic Equipment
• customized applications for compensation and filtering of harmonics
• high flexibility in terms of configuration and arrangement
IP00 (Indoor / Outdoor)
• Filters with high voltages (<20 kV) and great power output (>10 Mvar) for utilities and industrial applications
Voltage Regulated Distribution Transformer (VRDT)
• preventing voltage band violations in both MV and LV networks
• transfer of proven HV technology into MV/LV grids
Page 24 of 23 01.12.2014 Introduction MR PQ in Israel I I I
4. Project example – harmonic filter system 4.1 Electrical data
I 220 kV Main feeder
I 22.9 kV 60 Hz Busbar B
I Capacitorbanks
(2 x 23 Mvar)
I Sk“min 1248 MVA
I Liquid cooled resistor starters (Ball Mill /SAG Mill)
(2 x 32MVA)
I 24-pulse perfect harmonic
converter drives
(11 MVA)
I 18-pulse perfect harmonic
converter drives
(1.5 MVA)
I 22.9 kV 60 Hz Busbar A
I Sk“min 648 MVA
I Transformer 75/125 MVA I Transformer 75/125 MVA
Page 25 of 23 01.12.2014 Introduction MR PQ in Israel I I I
2. MR Power quality solutions 2.3 Metal encapsulated Indoor Equipment (Inrush limiting resistors)
MV network behavior during energization of
large harmonic filters or converter- /
distribution/transmission transformers
Transients
Page 26 of 23 01.12.2014 Introduction MR PQ in Israel I I I
2. MR Power quality solutions 2.4 Metal encapsulated Indoor Equipment (Load symmetration units)
Unbalance
Voltage/Current
R
X
Load
Load
12U
U23 U31
RA
BR
CR
1I
2I
3I
C1
C2
L1
Customer equipment: Powerful
single phase loads
Solution: „Steinmetz-Scheme“
Capacitors/ Reactors with tappings
I C1 & L1 for load
symmetration
I C2 for reactive power
compensation
Recommended