Siemens DI FA Stay in Touch Webinar Slides
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Siemens DI FA Stay in Touch Webinar Slides
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Siemens DI FA Stay in Touch Webinar Slides - Digital Asset ...
The Grid Infeed manuals provides detailed descriptions of the function modules ... parameters are provided in the SINAMICS S120 List Manual.
Power Conversion Infrastructure (PCI)
Page 18 7/16/2020 PCI Business for APAC Market Application Example – Battery Storage Step 1 – Calculating Inverter LV Output Voltage (VAC) 8 º ¼= $ = P P A N U 5 P N E J C / E J E I Q I 7 O A = > H A 8 K H P = C A 1.5 8…
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Siemens S120 Manual
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Power Conversion Infrastructure (PCI)
SINAMICS S120 - Battery & Grid Applications
Unrestricted � Siemens AG 2020. All rights reserved.
siemens.com
Agenda
1 Portfolio Introduction & Background 2 SINAMICS Hardware Overview 3 Grid Infeed Control Modes 4 Application Example � Battery Storage & STATCOM
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Market Drivers
Drivers
Highlights
1 Cost & Performance improvements 2 Grid Modernization 3 Global movement towards Renewables 4 Participation in wholesale electricity market 5 Phase out of FIT or net Metering 6 Desire for self-sufficient 7 National Policy
Battery 80%
2010-2017
PV 75% 2005-2015
Centralized Traditional
Distributed Smart
By2040 renewables overtake coal as the largest source of global power ( >25%)
Nearly every nation is revamping its wholesale market structure to allow batteries to provide service
Low or declining feed-in-tariffs (FITs) or net metering payments � businesses seek ways of greater returns
Residential and C&I customers desires for energy self-sufficiency are fueling BTM markets
Relative with Smart Grid, Environmental sustainability, efficient mobility, public transport etc.
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Reference: Challenge and Opportunities in global battery storage markets, Deloitte PCI Business for APAC Market
Energy conversion in voltage and frequency will be the backbone of future supply and distribution concepts
AC sources
DC sources
H2
fuel
O2
cell
H2O
Storage
H2
filter1)
~ =
~ =
Power Conversion
~ =
Typ. motor module
Typ. active infeed
2)
Grid Codes
filter1)
2)
filter1)
= =
= =
Loads
~ =
filter1)
~ =
= =
1) Filter depending on inverter type 2) DC devices can in some cases also be directly connected to DC bus bar, depending on the overall concept
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Grid mGrid
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What is PCI ?
Power Conversion Infrastructure
Energy Storage
Grid
Grid
STATCOM Grid
AC ~ = DC
AC ~ = DC
AC ~ = DC
DC = = DC
Battery
Or other kinds of Storage Media
PV Power Battery
Or other kinds of Storage Media
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Capacitor
On-shore Power Grid
Special Conversion Grid
AC ~ = DC
DC = ~ AC
AC ~ = DC
Ship
AC ~
= DC
Sinamics S120
AC/DC power converter is now using Sinamics S120 chassis with certain optimization on firmware (no Grid Codes)
DC =
= DC
Sinamics S120 MoMo or Sinamics DCP
DC/DC power converter can now be addressed with Sinamics DCP and S120 Motor Modules
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Where to use PCI? BESS STATCOM OPS Drive
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PCI Core Product Portfolio
Int. Product
PCI � Power Conversion Infrastructure SINAMICS S120
Power Range Sinamics S120 AC Voltage DC Voltage
Topology IP Class Cooling
30 kW 30 kW
AC/DC IP20
Air-cooling
100 / 200 kW 300 / 600 / 900 kW - 3MW (Parallel)
110 / 250 kW
300 / 630 / 900 kW
3 AC 320 -10 % ... 3 AC 480 +10 %
520~780V (Max. 800V) 520~780V (Max. 800V) 520~780V (Max. 800V)
AC/DC
AC/DC
IP 20
Air-cooling
Air-cooling
950 / 1200 kW- 4.5 MW (Parallel) 1100 / 1400 kW
3 AC 500 -10 % ... 3 AC 690 +10 %
750~1100V (Max. 1380V)
AC/DC IP20 - IP54 Air-cooling
1200 /1400 kW- 5.3 MW (Parallel) 1400 / 1700 kW
3 AC 500 -10 % ... 3 AC 690 +10 % 750~1100V (Max. 1380V) AC/DC
Liquid-cooling
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SINAMICS DCP
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Australian Grid Compliance
- SINAMICS S120 inverters and SINAMICS DCP are compliant for connection onto the low voltage network as per Australian/New Zealand Standards
- SINAMICS S120 book size components (120kW) have been certified compliant to AS4777.2:2015 and AS 61800.5.1:2013
- SINAMICS DCP is a Clean Energy Council compliant inverter suitable for installation under the Small-scale Renewable Energy Scheme (SRES)
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SINAMIC S120 - Grid Infeed Applications
Features of the Grid Infeed Applications available for the SINAMICS S120:
- Grid Infeed applications provide SINAMICS units with the functionality to feed into a power grid or to an island grid from various energy and generation sources.
- Grid Infeed is offered as an add on software module for the CU320-2 through SD memory card.
- Integrated Drive Control Charts (DCC) allowing the SINAMICS units to operate as hybrid inverters, islanded generators, STATCOM function and power factor correction.
- The Grid Infeed manuals provides detailed descriptions of the function modules, commissioning examples and relevant hardware data sheets and is available on Siemens Industry Support.
- Details of the relevant DCC charts and inverter parameters are provided in the SINAMICS S120 List Manual.
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Grid Types � Power Grids
What is a power grid?
A power grid covers a wide area network, comprises large power generating units (regarding the electric power) with each unit required to be synchronised to the grid frequency and voltage operated by a power supply utility, which is responsible for the grid, and therefore also grid codes.
Schematic diagram of a power generating system connected to a power grid
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Requirements of an inverter system in a power grid:
� Compliance with utility grid codes for connection of inverter systems (e.g. AS4777.2)
� Fault ride through capability including for voltage dips and short circuits between two or three phases.
� Provision of a steady-state reactive power for compensation if necessary
� Dynamic grid support - During voltage dips or shortcircuits, a reactive current must be impressed into the grid, which counteracts/corrects the voltage deviation.
� Maintaining the limits of the voltage quality
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Grid Types � Island Grid
What is an island grid?
An island grid supplies a limited area and has no connection to the public grid or to other grids. Island grid utility must balance the between power generation and load to maintain grid stability.
Requirements of Battery Energy Storage Systems in islanded power systems:
Schematic representation of an island grid
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� Black start of the island grid - This function involves establishing an island grid voltage starting from zero with the disconnector open to the external grid
� Controlling the grid voltage and frequency, and quickly adapting the generated power to the varying load conditions
� Provision of the entire short-circuit current in the event of a short-circuit
� Provision of reactive power for grid support � Re-establishing the voltage and maintaining the
frequency after the short-circuit has been cleared
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Grid Types � Microgrid
What is a microgrid? A micro grid represents a locally constrained electrical system with several power generating units, loads and possibly energy storage systems. This can be connected to a large power grid � or can also be independently operated (i.e. an island grid with one or several power generating units).
Requirements of an inverter system in a microgrid power system are aligned with an islanded grid but also include:
� Transition between grid connected and islanded modes must be able to be reliably handled.
� Load sharing with other individual power generating systems to achieve reliable supply to connected loads
Schematic representation of an microgrid
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Grid Infeed Function Modules
Grid Transformer
Grid Droop Control (S02)
Dynamic Grid Support (S01)
� Used to magnetize, synchronize and to connect a grid transformer to a power or island grid eliminating any inrush current from the power grid.
� This function involves establishing an island grid voltage starting from zero with the disconnector open to the external grid
� The inverter for feeding into the grid has the task of controlling the frequency and the voltage in the grid, and assumes an "grid former function".
� Allows grid faults to be ridden through and allows gridsupporting reactive currents to be injected to clear faults.
� Includes anti-islanding functionality.
� STATCOM functionality including power factor correction and voltage management.
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Grid Transformer Function Module
Example configuration of the grid transformer energisation function
The "Grid transformer" function module does not require an additional license
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The Grid Transformer function module includes the following subfunctions:
� Grid-friendly transformer magnetization � Identification of the transformer data � Transformer model to take into account the transformer
for the grid control and dynamic grid support � Negative sequence system current control to
compensate for grid dissymmetry. � DC component control to avoid DC components in the
AC current, therefore avoiding transformer saturation
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Dynamic Grid Support Function Module (License S01)
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Dynamic Grid Support (S01) is the S120 grid following control which includes: � Dynamic grid support functionality providing reactive
power in response to voltage deviations based on programmed slope setting and measured system voltage. � Fault ride through controller providing reactive current support during fault conditions. � Harmonic current controller for harmonic suppression between the 5th and 13th harmonic. � DC component controller for compensation of the DC component of phase currents. � Negative sequence controller for correcting unbalanced loads and unsymmetrical faults. � Closed Loop Power Factory Control � Closed Loop Voltage Control
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Grid Droop Control Function Module (License S02)
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Grid Droop Control (S02) is the S120 grid forming control which includes: � Active and reactive power droop functions (V & F
control). � Virtual generator ("Artificial Inertia"). � Black Start � Islanding Re-synchronising � Fault ride through controller providing fault current
support during fault conditions. � Harmonic current controller for harmonic suppression
between the 5th and 13th harmonic. � DC component controller for compensation of the DC
component of phase currents. � Negative sequence controller for correcting
unbalanced loads and unsymmetrical faults.
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Application Example � Battery Storage
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Step 1 � Calculating Inverter LV Output Voltage (VAC)
=
1.5
=
.
= 400Vac
Step 2 � Calculating Inverter Current Deratings (as per engineering manual)
� Deratings apply for operating the inverter at power factors <1 up to 25% for operating at power factor of 0.
� Deratings also apply for operating the inverter at operating temperatures >40�C
= � � Assuming the system operates at a power factory of 0.8 and ambient temperature of 35�C
= 182A x 0.90 = 163.8A Step 3 � Calculating Inverter Apparent Power
= 3 � �
= 3 x 163.8A x 400 = 113kVA
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Application Example � STATCOM
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Application Resources
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References
Documentation available on Siemens Industry Support:
- SINAMICS S120 System Manual Grid Infeed https://support.industry.siemens.com/cs/document/109760371/sina mics-s120-system-manual-grid-infeed?dti=0&lc=en-AU
- SINAMICS S120 Book Size Power Units https://support.industry.siemens.com/cs/document/109754297/sina mics-s120-booksize-power-units?dti=0&lc=en-AU
- Catalog D 21.3: SINAMICS DRIVES, SINAMICS S120, SINAMICS S150
https://support.industry.siemens.com/cs/document/109749470/catal og-d-21-3%3A-sinamics-drives-sinamics-s120-sinamicss150?dti=0&lc=en-AU
- SINAMICS S120/S150 List Manual https://support.industry.siemens.com/cs/document/109763271/sina mics-s120-s150?dti=0&lc=en-AU
- Engineering Manual SINAMICS G130, G150, S120 Chassis, S120
Cabinet Modules,S150
https://support.industry.siemens.com/cs/document/83180185/engineering
-manual-sinamics-g130-g150-s120-chassis-s120-cabinet-modules-
s150?dti=0&lc=en-AU
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Thanks
Questions?
Prepared by
MArnDtinheosnh yKaAthrciahraecrhmchai nn HBeuadsiPnCeIsAsPCDAeSvIeAloPpACment - PCI
Ms Yi Liu
P1C6D0PHroedurrcitnMganRaogeard, L,DMPaCchqinuaarie Park, NSW 2113
Mobile: +61 (0)427 956 290 E-Mail: anthony.achermann@siemens.com
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