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meteocontrol Power Control Operating Manual

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Operating manual

meteocontrol Power Control

Version 03082012

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  • Page 1: Operating Manual

    Operating manual meteocontrol Power Control Version 03082012...
  • Page 2 All information in these operating instructions has been compiled and checked with the greatest care and diligence. However, the possibility of errors cannot be entirely excluded. meteocontrol GmbH therefore cannot accept any liability for errors or any circumstances resulting from errors.

  • Page 3: Table Of Contents

    EEG (German Renewable Energy Law) ............11 meteocontrol Power Control requirements ............11 Functionality ....................12 meteocontrol Power Control Industrial ............12 Functional display Power Control with WEB`log PRO and PCU ..... 13 Functional display Power Control with WEB`log PRO........14 Functions ......................15 4.4.1 Power control..................
  • Page 4 9.2.3 Configuring PCU ................... 59 9.2.4 Configuring Power Control ..............60 Power Control system control circuit GCP control .......... 60 Enabling Power Control .................. 60 Performing test run (optional) ................. 60 Power Control slave WEB`log ................ 61 The WEB`log ....................62 10.1...
  • Page 5 10.1.1 Ripple control receiver with WEB`log, digital inputs ....... 62 10.1.2 WEB`log Pro master - slave ..............63 The Power Control Unit (PCU) ................ 64 11.1 PCU Connections ..................64 11.1.1 Description of the elements ..............65 11.2 PCU operating elements ................68 11.2.1...

  • Page 6: Use

    Introduction This operating manual describes the meteocontrol Power Control function in connection with the WEB`log data logger, the power control unit (PCU) and further components for power control. The full operating manual can be downloaded in electronic form from meteocontrol’s website.
  • Page 7 With Power Control, meteocontrol shall not be liable for events or occurrences that are outside its area of influence, such as for the correctness of the control commands of an energy supplier, non-carrying out of forwarded control commands, hardware and/or software failures with the system operator, switching events at the end customer.

  • Page 8: Safety

    2.1.1 Further notices A general notice is a piece of information for better understanding and may include the following: • Background information • Special circumstance • Further or additional information 8/78 meteocontrol Power Control 03082012 - en...

  • Page 9: Product Safety

    Documents on the inverter Product safety Power Control is a system for controlling and steering different operating parameters of PV systems (such as reactive and active power). The connections of the data loggers and modules used here may be loaded with the permissible signals and signal strengths only.

  • Page 10: Transportation And Storage

    A damaged device must not be put into operation! Transport the device in original packaging only. Protect the device from dust and moisture. Further information about this topic: Operating manual end customer Technical data 10/78 meteocontrol Power Control 03082012 - en...

  • Page 11: Technical Requirements

    Power Control requirements It is recommended to clarify the following requirements of the energy supplier, inverter manufacturer and plant operator for the Power Control already in the phase of plant planning: • Power procedures according to which the requirements of the energy supplier are implemented in control values for the inverters.

  • Page 12: Functionality

    • The control values are set on the inverter within a response time required by the energy supplier. • The energy supplier receives a message about the control value set on the inverters. 12/78 meteocontrol Power Control 03082012 - en...

  • Page 13: Functional Display Power Control With Web`log Pro And Pcu

    Functional display Power Control with WEB`log PRO and safer Sun Fig. 1: Functionality PCU<>Power Control Energy supplier WEB`log PRO as slave Public grid Inverter Ripple control receiver (10) Internet Central computer (11) Web portal Power control unit (PCU) (12) Power requirements report...

  • Page 14: Functional Display Power Control With Web`log Pro

    Functional display Power Control with WEB`log PRO safer Sun Fig. 2: Functionality Power Control Energy supplier Inverter Public grid Internet Ripple control receiver Web portal WEB`log master (10) Power requirements report Ethernet switch (11) Alert, residual energy balance WEB`log slave...

  • Page 15: Functions

    In the event of an enforced reduction, certain alerts are deactivated for the duration of the reduction (e.g. comparison energy to irradiance). The SaferSun internet portal identifies the required reduction and deactivates the alerts for this period. meteocontrol Power Control 03082012 - en 15/78...

  • Page 16: Calculation Of The Residual Energy Balance

    4.4.6 Reporting function (portal function, in preparation) Reports can be created, which provide detailed information in the event of a reduction. 16/78 meteocontrol Power Control 03082012 - en...

  • Page 17: Power Control Status Web`log Display

    Power Control status WEB`log display The status of the Power Control can be queried and modified via the device display. The configuration is possible via the browser only. Fig. 3: Power Control settings Note: The PC settings are available via the installer login only.

  • Page 18: Power Control Config Web`log Browser

    Selection of Modbus device profiles Both the power control unit (PCU) and the power quality analyser (PQA) are connected to the WEB`log via the Modbus protocol. To this end, the required device types from the list of available devices must be selected and saved.

  • Page 19: General Information

    PCU Modbus via RTU (standard) pcu_tcp.mod PCU Modbus via TCP janitza_umg604_rtu.mod NAG Modbus via RTU (standard) janitza_umg604_tcp.mod NAG Modbus via TCP Save Saves the settings made Note: Modbus TCP requires no configuration of the interfaces. meteocontrol Power Control 03082012 - en 19/78...

  • Page 20: Assignment Of Modbus Device Profiles

    Scan After a successful scan, the devices found are listed under „Device configuration“ Add TCP/IP device Input field Meaning IP address Input of the IP address 20/78 meteocontrol Power Control 03082012 - en...

  • Page 21: Details On The Pcu Interface Configuration

    PV system IP network the IP settings of the PCU need to be changed (IP address, subnet mask). The meteocontrol device manager service program is required for configuration. The program can be downloaded from the meteocontrol download area.

  • Page 22: Details On The Pcu Device Configuration

    WEB'log Pro and PCU are now interconnected. Details on the PCU device configuration The general information in the PCU device configuration are called up via the "Admin Measurement" menu item in the Power control menu and display the following parameters: General information Fig.
  • Page 23 3.75 mA Overcurrent with more than Upper threshold of the input current for the identification of overcurrent. Pre-setting 20.25 Analogue output status Display of current output current and status Save Saves the settings made meteocontrol Power Control 03082012 - en 23/78...
  • Page 24 Reactive power: dynamic input Reference abbreviation Rule definition: Pre-set value for the control value Save Saves the settings made The status in the example shows the active/reactive power requirements on DIO2 and DIO10 without feedback. 24/78 meteocontrol Power Control 03082012 - en...
  • Page 25 (see section 6.2). The client ID is established by scanning for serially connected devices or entered manually. Fig. 10: Configuration selection main computer interface IEC 60870-5-101 Note: The parameters for the IEC 60870-5-101 configuration must be coordinated with the main computer. meteocontrol Power Control 03082012 - en 25/78...

  • Page 26: Power Control Online Values

    Message settings IEC Information objects Message settings IEC Save Saves the settings made PCU Firmware update The loading of a new firmware can be carried out by meteocontrol support only. Fig. 11: Update PCU Firmware Input field Meaning Update firmware...

  • Page 27: Power Requirements Configuration

    The highlighted values are updated every 10 seconds. It is not possible to configure the online values. Power requirements configuration The configuration of the Power Control is retrieved via the "Admin Monitoring" menu item and displays the selection of the procedures for control value distribution.
  • Page 28 [Slave (single messages)] the master about single message Slave (Gruppen-Broadcast) Receives control value information from [Slave (group broadcast)] the master about group broadcast Master (keine Slaves) [Master Transfers no control value information to 28/78 meteocontrol Power Control 03082012 - en...
  • Page 29 WEB`log Pro definition as a slave If the WEB`log is operated as a slave, control values must be defined that are used in the event of a communication failure master->slave WEB`log. Fig. 17: Definition WEB`log slave general broadcast meteocontrol Power Control 03082012 - en 29/78...
  • Page 30 Size and type of the displacement factor in the event of a communication loss Parameter used Reactive power parameter used in the event of a communication loss Slavegruppe (Slave group) Slave group ID for addressing 30/78 meteocontrol Power Control 03082012 - en...
  • Page 31 Nominal voltage AC U Nominal voltage at the grid connection point Enabling Power Control It is recommended to only enable the Power Control when the configuration has been completed. Fig. 21: Enabling Power Control Input field Meaning Power Control...

  • Page 32: Active And Reactive Power Procedures

    Active and reactive power procedures The procedures are set via Admin measurement > Power Control > General settings. The procedures cannot use any requirement sources and can also not be combined. • A procedure for active power reduction can be selected without a procedure for reactive power control being selected.

  • Page 33: Normal Operation

    Error in the receipt of the requirements (digital in, analogue in or IEC). • Error in the definition of the configuration for the power procedures chosen. • Communication error between PCU and WEB`log master meteocontrol Power Control 03082012 - en 33/78...

  • Page 34: Active Power Procedures

    The areas highlighted in red in the Fig. shown below illustrate the settings fields relevant for the active power procedure P(DI). Input field Meaning Active power procedure Indicates the active power procedure P(DI) selected 34/78 meteocontrol Power Control 03082012 - en...
  • Page 35 Relative active power in per cent (relating to ) and confirmation that the control value is used for this rule Capping the feed-in power Limitation of the feed-in power to P at P meteocontrol Power Control 03082012 - en 35/78...

  • Page 36: P(Ai)

    Input field Meaning Active power procedure Indicates the active power procedure P(AI) selected Control values in the fallback mode Input field Meaning Active power Control value for active power reduction in per cent 36/78 meteocontrol Power Control 03082012 - en...

  • Page 37: P(Di) Internal

    With this procedure, the active power P is used as the control value. The DI requirement is provided by the grid operator as a digital input signal, e.g. digital ripple control receiver and connected to the internal digital inputs DI of the WEB`log. meteocontrol Power Control 03082012 - en 37/78...
  • Page 38 Green indicates what input must be activated Configuration column Power requirement in per cent when occupying the relevant digital inputs Capping the feed-in power at Limitation of the feed-in power to P 38/78 meteocontrol Power Control 03082012 - en...

  • Page 39: Reactive Power Procedures

    Feedback is provided via the digital outputs of the PCU. Fig. 27: Reactive power procedure cos φ(DI) Note: The areas highlighted in red in the Fig. shown here illustrate the settings fields relevant for the reactive power procedure cos φ(DI). meteocontrol Power Control 03082012 - en 39/78...
  • Page 40 Reference abbreviation of the feedback output Displacement factor cos φ Control values cos φ for the reactive power reduction as well as an interface to confirm that the control value is applied with this rule 40/78 meteocontrol Power Control 03082012 - en...

  • Page 41: Cos Φ(Ai)

    Fig. 28: Example curve cosφ(AI) Note: Feedback can be provided via the analogue output of the PCU. A simultaneous use of the analogue input for active/and reactive power procedures is not possible. meteocontrol Power Control 03082012 - en 41/78...
  • Page 42 Meaning Reactive power procedures Indicates the active reactive power procedure cos φ (AI) selected Control values in the fallback mode Input field Meaning Displacement factor Control value cos φ Digital output Feedback output 42/78 meteocontrol Power Control 03082012 - en...
  • Page 43 Issue current control value Control value issue setting: indicates whether the current input current is fed back on the analogue current output meteocontrol Power Control 03082012 - en 43/78...

  • Page 44: Control Procedure Cos Φ Fix

    Input field Meaning Reactive power procedure Indicates the selected reactive power procedure cos φ Fix Reactive power procedure 099 with a fixed control value Input field Meaning Displacement factor Control value cos φ 44/78 meteocontrol Power Control 03082012 - en...

  • Page 45: Q(Di)

    The areas highlighted in red in the Fig. shown here illustrate the settings fields relevant for the reactive power procedure Q(DI). Input field Meaning Reactive power procedures Indicates the reactive power procedure Q(DI) selected meteocontrol Power Control 03082012 - en 45/78...
  • Page 46 Control values in the case of fallback Input field Meaning Reactive power Control values for reactive power control Digital output Feedback output Reactive power procedure via digital inputs Input field Meaning Number Control number Active Setting whether the rule should be applied Input Reference abbreviation of the digital input.

  • Page 47: Power Procedures P(Di) And Q(Di) Combined

    The relevant parameter is used if the checkbox is set to the right next to the corresponding input field. Input field Meaning Active power procedures Indicates the active power procedure P(DI) selected Reactive power procedures Indicates the reactive power procedure Q(DI) selected meteocontrol Power Control 03082012 - en 47/78...
  • Page 48 Control values in the case of fallback Input field Meaning Active power Control value for active power control in per cent Reactive power Control value for reactive power control in per cent Digital output Feedback output Active and reactive power procedures via digital inputs...

  • Page 49: Q(Ai)

    Details in what areas the points are (overexcited or underexcited) Fig. 33: Curve Q(AI) Note: Feedback is provided via the analogue output of the PCU. A simultaneous use of the analogue input for active/and reactive power procedures is not possible. meteocontrol Power Control 03082012 - en 49/78...
  • Page 50 Reactive power procedure Indicates the reactive power procedure Q(AI) selected Control values in the case of fallback Input field Meaning Reactive power Control value for reactive power control in per cent Excitation Excitation type reactive power (overexcited/underexcited) Digital output Feedback output...
  • Page 51 Issue current control value Control value issue setting: indicates whether the current input current is fed back on the analogue current output meteocontrol Power Control 03082012 - en 51/78...

  • Page 52: Q Fix

    With this procedure, the reactive power Q is used as the control value. The requirement U is received from the measurement device chosen and is assigned to the control value with a linear equation. 52/78 meteocontrol Power Control 03082012 - en...

  • Page 53: Cos Φ(P)

    With this procedure, the displacement factor cos φ is used as the control value. The requirement P is received from the selected measurement device and is assigned to the control value with a linear equation. meteocontrol Power Control 03082012 - en 53/78...
  • Page 54 Control value cos φ Excitation Excitation type reactive power (overexcited/underexcited) Digital output Feedback output Displacement factor procedure via power requirement P Input field Meaning Curve Type of curve Point 1…4 Support points 1…4 54/78 meteocontrol Power Control 03082012 - en...

  • Page 55: Cos Φ(U)

    Meaning Reactive power procedures Indicates the active reactive power procedure cos φ (U) selected Control values in the fallback mode Input field Meaning Displacement factor Control factor cos φ Digital output Feedback output meteocontrol Power Control 03082012 - en 55/78...

  • Page 56: Details Fallback Operation

    10 minutes and fallback values are used. During the delay period, the parameter set of the last valid control values is used. When activating the Power Control with incomplete requirement information, fallback operation becomes immediately active. 56/78...

  • Page 57: System Control Circuit

    For the correct function of the system control circuit, the following parameters must be entered correctly. • In the area Admin monitoring » Power Control » General configuration: • Agreed connection power P [kW] • Maximum agreed apparent power S...
  • Page 58 The power quality analyser is connected to the grid connection point in accordance with the relevant valid directives for low voltage and/or medium voltage. Depending on the system design, transmitters are required (support type current transformer, voltage converter). 58/78 meteocontrol Power Control 03082012 - en...

  • Page 59: Application Cases

    Querying Power Control status The current operating mode and the control values of the power procedures are displayed on the WEB`log website Online values >> Power Control. Details can be found in section 6.5 Power Control online values. Power Control power procedures The following example shows you the steps for installing Power Control.

  • Page 60: Configuring Power Control

    Do not enable Power Control until all requirements for the Power Control have been fully defined and configured. Performing test run (optional) If it is ensured that Power Control was implemented in accordance with the requirements, a test run should be performed in the system. 60/78...

  • Page 61: Power Control Slave Web`log

    PCU to ON to prevent abuse or mistaken reconfiguration. Power Control slave WEB`log The slave data logger receives the control values for the Power Control from the master. The power procedures are defined in the master and the parameters are sent to the slaves.

  • Page 62: 10. The Web`log

    WEB`log. When using the internal WEB`log inputs (WEB`log DIs), the use of feedback signals is not supported. 110 V Phone Ethernet RS485 RS232 230 V 24 V 62/78 meteocontrol Power Control 03082012 - en...

  • Page 63: Web`log Pro Master - Slave

    If internal WEB`log inputs (WEB`log DIs) are used, feedback signals are not supported. • If Power Control is activated, the digital inputs must not be configured otherwise by the WEB`log. • Ripple control receivers with pulse output are not supported.

  • Page 64: The Power Control Unit (Pcu)

    11. The Power Control Unit (PCU) The Power Control Unit (PCU) is an intelligent, powerful module with different signal forms (digital, analogue, IEC 60870-5-101) can be recorded, converted and transmitted to the WEB`log for active and reactive power requirements. Function: •...

  • Page 65: Description Of The Elements

    Low = hexadecimal low (H`x0 - H`xF) (12) Term RS485 Modbus termination to PCU (13/14) RS485 connection Interface (double design) for communication with WEB`log PRO via Modbus RTU Left: RxD Middle: GND Right: TxD meteocontrol Power Control 03082012 - en 65/78...
  • Page 66 PCU potential. In potential-free operation, the plus and mass potential of the RCR on +/-IO of the relevant connection block are required to ensure a safe identification of the signals. 66/78 meteocontrol Power Control 03082012 - en...

  • Page 67: Status Led

    IO is configured as the output if flashing, check IO, as possibly faulty Off: IO is not used Input or output is set IO status Off: Input or output is not set or is not used meteocontrol Power Control 03082012 - en 67/78...

  • Page 68: Pcu Operating Elements

    Write protect slide switch With the slide switch (see section 11.1.1, Description of the elements, No. 15), the configuration data of the Power Control can be protected against write attempts. To configure Power Control, the slide switch must be in OFF position.
  • Page 69 Use suitable wire end ferrules with flexible cables • Tighten all clamped connections with a suitable tool and check that contact is made and that the connection is secure • Only use the specified cables. meteocontrol Power Control 03082012 - en 69/78...

  • Page 70: Mounting

    To remove the device, pull the clamp down with a screwdriver and take the device off the top-hat rail. Fig. 43: Installation on a top-hat rail Device Screwdriver Top-hat rail Releasing the clamp Upper edge of top-hat Removing the device rail Pressing on the device 70/78 meteocontrol Power Control 03082012 - en...
  • Page 71 To remove the device, push it up a short way and take it off to the front. Fig. 44: Wall mounting using screws Device Securing the device Fastening screws Loosening the device Mounting the device Removing the device meteocontrol Power Control 03082012 - en 71/78...

  • Page 72: Connection Options

    The feedback signals from the PCU must be further processed in accordance with the system concept. Note: The signal inputs and outputs are stated as examples. The wiring of the PCU must correspond to the PCU configuration. 72/78 meteocontrol Power Control 03082012 - en...
  • Page 73 PCU signal output (feedback output in the figure: item 4) does not lead to the ripple control receiver, but is designed separately. The feedback signal from the PCU must be further processed in accordance with the plant concept. meteocontrol Power Control 03082012 - en 73/78...
  • Page 74 Modbus WR protocol to RS485 -> PCU and WR to RS485 connection Details on the configuration of the RS422 socket as an RS485 interface can be found in the WEB`log Quick Reference Guide. 74/78 meteocontrol Power Control 03082012 - en...
  • Page 75 If voltages of more than 24 V DC are applied to the digital inputs, this can destroy the respective measuring inputs. – Ensure that only voltages of up to 24 V DC are applied. Further information about this topic: Operating manual WEB`log PRO installer Installation, mounting meteocontrol Power Control 03082012 - en 75/78...

  • Page 76: 12. The Plant Control Circuit/Gcp Control

    GCP control Q GCP control cos φ GCP control *1: in connection with PCU *2: in connection with GCP or PCU with main computer Table 1: Overview implemented power procedures per device type 76/78 meteocontrol Power Control 03082012 - en...

  • Page 77: Glossarytoa

    Fig. 9: Configuration selection power quality analyser ..........25 Fig. 11: Update PCU Firmware ..................26 Fig. 12: Power Control online values ................27 Fig. 13: WEB`log master without slaves ................ 27 Fig. 14: WEB`log master with broadcast to all slaves ............ 28 Fig.
  • Page 78 Fig. 46: Connection ripple control receiver <> PCU (analogue) ........73 Fig. 47: Connection main computer <> PCU (IEC) ............74 Fig. 48: Connection PCU <> WEB`log Pro..............75 Table 1: Overview implemented power procedures per device type ......76 78/78 meteocontrol Power Control 03082012 - en...

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