SMA SUNNY CENTRAL 500CP-JP User Manual
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SMA SUNNY CENTRAL 500CP-JP User Manual

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User Manual
SUNNY CENTRAL 500CP-JP / 630CP-JP / 800CP-JP
SCCP-JP-BA-A4-en-12 | 98-103200.02 | Version 1.2
ENGLISH

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  • Page 1 User Manual SUNNY CENTRAL 500CP-JP / 630CP-JP / 800CP-JP SCCP-JP-BA-A4-en-12 | 98-103200.02 | Version 1.2 ENGLISH...
  • Page 2 The information contained in this document is the property of SMA Solar Technology AG. Publishing its content, either partially or in full, requires the written permission of SMA Solar Technology AG. Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission.

  • Page 3: Table Of Contents

    SMA Solar Technology AG Table of Contents Table of Contents Information on this Document........... . . 7 Safety .
  • Page 4 Table of Contents SMA Solar Technology AG Touch Display ..............33 4.1 Touch Display Layout .
  • Page 5 SMA Solar Technology AG Table of Contents 8.1.3 Displaying the Status of Active Power Limitation ..........52 8.1.4 Displaying Error Messages and Warnings for Active Power Limitation.
  • Page 6 Table of Contents SMA Solar Technology AG 10 Troubleshooting ............. . .75 10.1 Safety During Troubleshooting.

  • Page 7: Information On This Document

    (see Section 2.3 "Skills of Qualified Persons", page 12). Additional Information Links to additional information are available at www.SMA-Solar.com. Document title Document type Important Information on Transportation and Installation for SUNNY CENTRAL 500CP-JP/ Technical Information 630CP-JP/800CP-JP Important Requirements for Medium-Voltage Transformers and Transformers for Auxiliary Technical Information...
  • Page 8 1  Information on this Document SMA Solar Technology AG Typographies Typography Example Bold • Display messages • Select the parameter ExlTrfErrEna and set to Off. • Elements on a user interface • Select the tab Parameters. • Parameters • Terminals •...

  • Page 9: Safety

    For safety reasons, it is not permitted to modify the product or install components that are not explicitly recommended or distributed by SMA Solar Technology AG for this product. Only use this product in accordance with the enclosed documentation and with the local standards and directives.

  • Page 10: Safety Precautions

    2  Safety SMA Solar Technology AG 2.2 Safety Precautions This section contains safety precautions that must be observed at all times when working on or with the product. To prevent personal injury and property damage and to ensure long-term operation of the product, read this section carefully and follow all safety precautions at all times.
  • Page 11 SMA Solar Technology AG 2  Safety Danger to life from electric shock if the Sunny Central is damaged Operating a damaged Sunny Central can lead to hazardous situations that result in death or serious injuries due to electric shock. • Only use the Sunny Central when it is in a technically faultless condition and safe to operate.

  • Page 12: Skills Of Qualified Persons

    2  Safety SMA Solar Technology AG Risk of burns due to hot components Some components of the Sunny Central can get very hot during operation. Touching these components can cause burns. • Observe the warning messages on the devices. • During operation, do not touch any components marked with such warnings.

  • Page 13: Personal Protective Equipment

    When working on the Sunny Central, always wear the appropriate personal protective equipment for the specific job. The following personal protective equipment is regarded by SMA Solar Technology AG to be the minimum requirement: ☐ In a dry environment, safety shoes of category S3 with perforation-proof soles and steel toe caps ☐...

  • Page 14: Product Description

    3  Product Description SMA Solar Technology AG 3 Product Description 3.1 PV System Overview The Sunny Central is a PV inverter which converts the direct current generated in the PV modules into grid-compliant alternating current. An external MV transformer fitted downstream feeds the generated alternating current into the utility grid.

  • Page 15: Type Label

    You will require the information on the type label to use the product safely and when seeking customer support from the SMA Service Line. The type labels must be permanently attached to the product. Reading off the serial number You can read off the serial number without opening the Sunny Central.

  • Page 16: Operating Modes

    3  Product Description SMA Solar Technology AG Symbol Designation Explanation Observe the documentation. Observe all documentation supplied with the product. 3.2.3 Operating Modes The Sunny Central cycles through various states during operation: Figure 3: Principle overview of the operating states of the Sunny Central in normal operation...
  • Page 17 You have the option of switching this decoupling protection ramp on or off. If you deactivate the decoupling protection ramp, the inverter rapidly reverts to maximum power. If you wish to deactivate the decoupling protection ramp, consult the SMA Service Line. User Manual SCCP-JP-BA-A4-en-12...

  • Page 18: Touch Display

    3  Product Description SMA Solar Technology AG Designation Description MPP load operation In MPP operation, the Sunny Central feeds power into the utility grid and operates permanently at the maximum power point (MPP). Operation and the amount of power being fed in appear on the touch display.

  • Page 19: Sunny Central Communication Controller

    SMA Solar Technology AG 3  Product Description 3.3 Sunny Central Communication Controller The Sunny Central Communication Controller (SC-COM) is the central communication interface of the Sunny Central. The SC-COM establishes the connection between the Sunny Central and the PV system operator.

  • Page 20: Sunny Central String-Monitor Controller

    3  Product Description SMA Solar Technology AG 3.4 Sunny Central String-Monitor Controller Depending on the order option, the Sunny Central may be equipped with a Sunny Central String-Monitor Controller for string-current monitoring. This controller allows communication between the Sunny Central String-Monitors and the Sunny Central.

  • Page 21: External Fast Stop

    SMA Solar Technology AG 3  Product Description 3.6 External Fast Stop The Sunny Central is equipped ex works with a fast stop input. You have the option of connecting an external switch to this fast stop input which is activated via a 24 V signal.

  • Page 22: Ground-Fault Monitoring In Grounded Pv Arrays

    3  Product Description SMA Solar Technology AG • Ground fault on the grounded terminal The GFDI is bypassed when a ground fault occurs on the grounded terminal of the PV array. A ground fault on the grounded terminal cannot be reliably detected. If an undetected ground fault occurs on the grounded terminal, this will pose a safety risk.

  • Page 23: Remote Gfdi

    SMA Solar Technology AG 3  Product Description 3.7.2.2 Remote GFDI Depending on the order option, ground-fault monitoring in the Sunny Central can be carried out via ground-fault detection and interruption with motor drive, in short "Remote GFDI". This grounds one terminal of the PV array. Remote GFDI also enables automatic error processing.

  • Page 24: Soft Grounding

    3  Product Description SMA Solar Technology AG 3.7.2.3 Soft Grounding Depending on the order option, the Sunny Central can also monitor for ground faults via Soft Grounding. This process grounds one terminal of the PV array via a resistor. The PV system must be operated as an electrically closed operation area.

  • Page 25: Insulation Monitoring

    SMA Solar Technology AG 3  Product Description 3.7.3 Insulation Monitoring 3.7.3.1 Insulation Monitoring Device Depending on the order option, an insulation monitoring device can monitor the insulation resistance of the PV system in ungrounded PV arrays. In the operating state "MPP load operation", the insulation resistance of the entire system, from the PV array to the MV transformer, will be measured.

  • Page 26: Combined Insulation And Ground-Fault Monitoring

    3  Product Description SMA Solar Technology AG Type of insulation monitoring device used The insulation monitoring device used is the A-ISOMETER iso-PV1685 device supplied by Bender GmbH & Co. KG. 3.7.4 Combined Insulation and Ground-Fault Monitoring 3.7.4.1 GFDI and Insulation Monitoring Device With the order option "GFDI and Insulation Monitoring", it is possible to temporarily disable the PV array grounding and...

  • Page 27: Remote Soft Grounding And Insulation Monitoring Device

    SMA Solar Technology AG 3  Product Description Insulation Monitoring To disable the grounding of the PV array, the RemMntSvc parameter must be set to On. This will open the Remote GFDI by means of a motor drive. If the Remote GFDI has been opened by a motor drive via the RemMntSvc parameter, the insulation monitoring device will start measuring after the delay defined in the IsoMeasDly parameter has elapsed.

  • Page 28: Grid Management Services

    3  Product Description SMA Solar Technology AG Type of insulation monitoring device used The insulation monitoring device used is the A-ISOMETER iso-PV1685 device supplied by Bender GmbH & Co. KG. 3.8 Grid Management Services 3.8.1 Requirements Due to the growing number of PV systems feeding into the utility grid, these PV systems increasingly have to take on feed-in management functions.

  • Page 29: Reactive Power Setpoint

    SMA Solar Technology AG 3  Product Description 3.8.3 Reactive Power Setpoint The Sunny Central can provide reactive power. There are eleven different methods for setpoint specification. These include entering a fixed parameter, processing an external signal from the grid operator or specifying the reactive power using adjustable characteristic curve parameters (see Section 8.2, page 53).

  • Page 30: Decoupling Protection Ramp

    You have the option of switching this decoupling protection ramp on or off. If you deactivate the decoupling protection ramp, the Sunny Central rapidly reverts to maximum power. If you wish to deactivate the decoupling protection ramp, contact the SMA Service Line. Compliance with the Medium-Voltage Directive The decoupling protection ramp is part of the Medium-Voltage Directive of the German Association of Energy and Water Industries (BDEW) and must not be deactivated in Germany.

  • Page 31: Q At Night

    SMA Solar Technology AG 3  Product Description 3.8.8 Q at Night With the order option "Q at Night", the Sunny Central can provide reactive power in order to stabilize the utility grid during non-feed-in operation, e.g. at night. This function is independent of normal feed-in operation.

  • Page 32: Islanding Detection

    Schematic diagrams in PDF format contain jump marks. By double clicking a jump mark, the display will change to the corresponding current path or the referenced place in the equipment list. SMA Solar Technology AG recommends using PDF schematic diagrams for troubleshooting. The schematic diagrams in PDF format are available on request. Contact the SMA Service Line.

  • Page 33: Touch Display

    SMA Solar Technology AG 4  Touch Display 4 Touch Display 4.1 Touch Display Layout The touch display of the Sunny Central is used to display instantaneous values and parameter settings. The functions are activated by tapping on the appropriate symbols on the touch display.

  • Page 34: Information Area

    4  Touch Display SMA Solar Technology AG Position Designation Number of the active menu Symbol showing whether you are logged in as an installer and can change settings. Date and time display 4.2.2 Information Area Main Menu You can access the following sub-menus and screens from the main menu:...
  • Page 35 SMA Solar Technology AG 4  Touch Display Symbol Designation Explanation AC Side Select this symbol to see the following instantaneous values: • Active power in W • Reactive power in VAr • Power frequency in Hz • Alternating current in A •...

  • Page 36: Navigation Line

    • Msg: error message • Dsc: corrective measure Service The "telephone" symbol appears when you are advised to contact the SMA Service Line. The "tool" symbol appears when you are advised to have the error corrected by your installer. Contact your installer.

  • Page 37: Changing The Date, Time And Time Zone

    SMA Solar Technology AG 4  Touch Display 4.4 Changing the Date, Time and Time Zone SC-COM adopts changes The SC-COM will accept date, time or time zone changes made on the touch display. Procedure: 1. Select 2. Select 3. To change the date, select the day, month and year in the field.

  • Page 38: Network Settings

    5  Network Settings SMA Solar Technology AG 5 Network Settings In order to connect the Sunny Central to a computer via the service interface or via the Internet, the SC-COM must be integrated in a system network. To enable several Sunny Central inverters to be operated in the same network, the SC-COM of each Sunny Central must be assigned a unique network address.
  • Page 39 SMA Solar Technology AG 5  Network Settings Procedure: 1. In Windows, select Start > Run. 2. Enter ncpa.cpl in the box and press [OK]. ☑ The Network Connections window opens. 3. Double click on the LAN connection used to connect the SC-COM.

  • Page 40: Communication With The Inverter

    6  Communication with the Inverter SMA Solar Technology AG 6 Communication with the Inverter 6.1 Displaying Instantaneous Values The SC-COM operating manual contains a detailed description of the user interface. Procedure: 1. Log into the user interface. 2. Enter the installer password in the appropriate field on the homepage and confirm with [Login].
  • Page 41 5. Select SSMUNoOf and check the number of detected Sunny String-Monitors. Once all Sunny String-Monitors have been detected, detect them with the SC-COM. If only some of the Sunny String-Monitors have been detected, contact the SMA Service Line. User Manual...

  • Page 42: Optional Settings Of The Sunny Central String-Monitor Controller

    6  Communication with the Inverter SMA Solar Technology AG Detecting the Sunny String-Monitors via SC-COM 1. Select Data > Detection. 2. In the field Total number of devices to be detected, enter the number of Sunny String-Monitors +2. 3. Select [Start detection].

  • Page 43: Assigning Pv Strings To Different Measuring Channels

    SMA Solar Technology AG 6  Communication with the Inverter 6.4.3 Assigning PV Strings to Different Measuring Channels To simplify monitoring, you can assign the strings to the eight measuring channels. You can select the number of strings per channel between 1 and 4 for each of the eight measuring channels. The default setting is 1.

  • Page 44: Setting The Tolerance

    6  Communication with the Inverter SMA Solar Technology AG 6.4.6 Setting the Tolerance You can use the tolerance to set the sensitivity of the string-current monitoring. The tolerance is a factor in the calculation of the error sum. Since only a significant deviation of a measuring channel from the mean value is an indication of a faulty string, the tolerance value should be set correspondingly high.

  • Page 45: Grid Monitoring

    SMA Solar Technology AG 7  Grid Monitoring 7 Grid Monitoring 7.1 How Grid Monitoring Works The Sunny Central monitors the utility grid to make sure it stays within configurable thresholds. If the grid values exceed or fall below these thresholds for a set time, the Sunny Central will disconnect from the utility grid for safety reasons.
  • Page 46 Utility grid within valid range during grid monitoring time → grid connection Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selection and configuration of the parameters for grid monitoring. Procedure: 1.

  • Page 47: Setting Power Frequency Monitoring

    Figure 17: Tripping characteristics and temporal behavior as exemplified by frequency monitoring Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selection and configuration of the parameters for grid monitoring. Procedure: 1. Log into the user interface.

  • Page 48: Setting The Medium Voltage

    7  Grid Monitoring SMA Solar Technology AG 7.6 Setting the Medium Voltage The medium voltage of the Sunny Central must match the medium voltage of the medium-voltage grid. It is important that the transmission ratio of the external MV transformer is adjusted at the same time. The undervoltage side is already preset for the specific device.

  • Page 49: Power Control

    SMA Solar Technology AG 8  Power Control 8 Power Control 8.1 Active Power Limitation 8.1.1 Frequency-Dependent Active Power Limitation 8.1.1.1 Principle of Frequency-Dependent Active Power Limitation For active power limitation based on power frequency, the Sunny Central constantly checks the connected power frequency.

  • Page 50: Setting The Mode Of Frequency-Dependent Active Power Limitation And Associated Parameters

    8  Power Control SMA Solar Technology AG Example: A 500 kW Sunny Central is feeding 350 kW (P ) into the utility grid. The frequency rises to 51.2 Hz. The difference between the current power frequency and P-HzStr (51.2 Hz - 50.2 Hz) multiplied by the gradient P-WGra (40%/Hz) results in an active power reduction of 40% of the last available power P (350 kW).

  • Page 51: No Active Power Limitation: Off Mode

    SubVal Utilization of the configured proxy values. SMA recommends use of the proxy values when setpoint specifications are effected via analog signals. 6. If SubVal has been selected, enter the proxy values for normal feed-in operation and for operation outside of normal...

  • Page 52: Active Power Limitation Via Standard Signal: Wcnstnomanin Mode

    8  Power Control SMA Solar Technology AG 8.1.2.6 Active Power Limitation via Standard Signal: WCnstNomAnIn Mode The active power limitation is set at the input terminals for setpoint specification using an analog signal (see Sunny Central installation manual). This is usually implemented by a ripple control signal.

  • Page 53: Reactive Power Control

    There are eleven different modes of reactive power control. The default value for this parameter is Off. If a displacement power factor cos φ of 1 is to be permanently complied with, SMA Solar Technology AG recommends using the PFCnst mode.

  • Page 54: No Reactive Power Control: Off Mode

    SubVal Utilization of the configured proxy values. SMA recommends use of the proxy values when setpoint specifications are effected via analog signals. 6. If SubVal has been selected, enter the proxy values for normal feed-in operation and for operation outside of normal...

  • Page 55: Reactive Power Control With Setpoint Command Via Modbus Protocol: Varctlcom Mode

    SMA Solar Technology AG 8  Power Control 8.2.1.3 Reactive Power Control with Setpoint Command via Modbus Protocol: VArCtlCom Mode The reactive power setpoint is received by the Sunny Central via the Power Reducer Box or the Power Plant Controller. The setpoint is transmitted as a percentage and converted to kVAr in the device.

  • Page 56: Reactive Power Setpoint Via Displacement Power Factor Cos Φ: Pfcnst Mode

    8  Power Control SMA Solar Technology AG Figure 19: Limitation of the parameter Pmax to the parameter Qmax If the value of Pmax exceeds the value of Qmax, the characteristic curve will be limited to Qmax at the value Q the reactive power value will remain constant at Qmax in the range from +Qmax to +Pmax.

  • Page 57: Displacement Power Factor Cos Φ As A Function Of Feed-In Power: Pfctlw Mode

    SMA Solar Technology AG 8  Power Control Signal Power limit Description > 19 mA PFAbsMin/overexcited End point of the characteristic curve Maximum amount of positively excited reactive power is fed in. The analog value is converted into a setpoint for the displacement power factor cos φ. Here, the parameter PFAbsMin is the starting and end point of the linear characteristic curve.

  • Page 58: Reactive Power As A Function Of Line Voltage: Varctlvol Mode

    Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selecting or configuring the VArCtlVol mode. The reactive power is set as a function of the line voltage. The reactive power setpoint is adjusted in stages.

  • Page 59: Measures For Voltage Support Through Parameterization Of Reactive Power/Voltage Characteristic Curve: Varctlvolhystdb Mode

    Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selecting or configuring the VArCtlVolHystDb mode. By supplying reactive power, the Sunny Central performs voltage-stabilizing measures in the event of overvoltage or undervoltage.
  • Page 60 8  Power Control SMA Solar Technology AG Figure 23: Characteristic curve for reducing reactive power with deadband Figure 24: Characteristic curve for reducing reactive power with hysteresis SCCP-JP-BA-A4-en-12 User Manual...
  • Page 61 SMA Solar Technology AG 8  Power Control Figure 25: Characteristic curve for reducing reactive power with deadband and hysteresis The parameter Q-VArTmsSpnt determines the delay time which must elapse before the calculated reactive power setpoint is actively used. In order to prevent several systems with this function from interfering with each other, the parameter Q-VArTmsVtg can be used to set a delay time.

  • Page 62: Measures For Voltage Support Through Parameterization Of Reactive Power/Voltage Characteristic Curve: Varctlvolhystdba Mode

    Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selection and parameterization of the VArCtlVolHysDbA mode. By provision of reactive power, the inverter helps perform voltage-stabilizing measures in the event of overvoltage or undervoltage.

  • Page 63: Displaying Error Messages And Warnings For The Reactive Power Setpoint

    SMA Solar Technology AG 8  Power Control 8.2.2 Displaying Error Messages and Warnings for the Reactive Power Setpoint The instantaneous value Q-VArModFailStt displays errors or warnings relating to the reactive power setpoint. Procedure: • Display the instantaneous value Q-VArModFailStt on the user interface (see Section 6.1, page 40).
  • Page 64 SubVal Utilization of the configured proxy values. SMA recommends use of the proxy values when setpoint specifications are effected via analog signals. 6. If SubVal has been selected, enter the proxy values for normal feed-in operation and for operation outside of normal...

  • Page 65: No Q At Night: Off Mode

    SMA Solar Technology AG 8  Power Control Parameters Description PF-PFSubVal Proxy value for the displacement power factor outside of feed-in operation PF-PFExtSubVal Proxy value for the excitation of the displacement power factor outside of feed-in operation 7. In the parameter PwrMonErrTm configure the time lapse until recognition of the absence of setpoint specifications.
  • Page 66 8  Power Control SMA Solar Technology AG Figure 27: Limitation of the parameter Pmax to the parameter QoDQmax If the value of Pmax exceeds the value of QoDQmax, the characteristic curve will be limited to QoDQmax at the value and the reactive power value will remain constant at QoDQmax in the range from +QQoDmax to +Pmax.

  • Page 67: Q At Night As A Function Of Line Voltage: Varctlvol Mode

    Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selecting or configuring the VArCtlVol mode. The reactive power is set as a function of the line voltage. The reactive power setpoint is adjusted in stages.

  • Page 68: Measures For Voltage Support Through Parameterization Of Reactive Power/Voltage Characteristic Curve

    Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selecting or configuring the VArCtlVolHystDb mode. By supplying reactive power, the Sunny Central performs voltage-stabilizing measures in the event of overvoltage or undervoltage.
  • Page 69 SMA Solar Technology AG 8  Power Control Figure 30: Characteristic curve for reducing reactive power with deadband Figure 31: Characteristic curve for reducing reactive power with hysteresis User Manual SCCP-JP-BA-A4-en-12...
  • Page 70 8  Power Control SMA Solar Technology AG Figure 32: Characteristic curve for reducing reactive power with deadband and hysteresis The parameter Q-VArTmsSpnt determines the delay time which must elapse before the calculated reactive power setpoint is actively used. In order to prevent several systems with this function from interfering with each other, the parameter Q-VArTmsVtg can be used to set a delay time.

  • Page 71: Measures For Voltage Support Through Parameterization Of Reactive Power/Voltage Characteristic Curve

    Contact the SMA Service Line before changing any parameters. The SMA Service Line must be consulted prior to selection and parameterization of the VArCtlVolHysDbA mode. By provision of reactive power, the inverter helps perform voltage-stabilizing measures in the event of overvoltage or undervoltage.

  • Page 72: Setting The Insulation Monitoring Of The Pv System

    9  Setting the Insulation Monitoring of the PV System SMA Solar Technology AG 9 Setting the Insulation Monitoring of the PV System 9.1 Setting the PV System to Insulation Monitoring with GFDI and an Insulation Monitoring Device 9.1.1 Safety during Insulation Monitoring of the PV System with GFDI and an...

  • Page 73: Switching To Grounded Operation

    SMA Solar Technology AG 9  Setting the Insulation Monitoring of the PV System 9.1.3 Switching to Grounded Operation 1. Set the key switch on the Sunny Central to Stop. 2. Wait 15 minutes before opening the Sunny Central. This will ensure that the capacitors are discharged.

  • Page 74: Setting The Pv System To Insulation Monitoring With Remote Soft Grounding And An Insulation

    9  Setting the Insulation Monitoring of the PV System SMA Solar Technology AG 9.3 Setting the PV System to Insulation Monitoring with Remote Soft Grounding and an Insulation Monitoring Device 9.3.1 Information on Insulating PV Modules with Remote Soft Grounding and an Insulation Monitoring Device Ground-fault monitoring with Remote Soft Grounding does not provide protection from injury.

  • Page 75: Troubleshooting

    • Observe all safety precautions when working on the Sunny Central. • Wear suitable personal protective equipment for all work on the device. • If you cannot remedy the disturbance with the help of this document, contact the SMA Service Line. 10.2 Reading Off Disturbance Messages If an error occurs, you can read off the error on the touch display or on the user interface.

  • Page 76: Acknowledging Error Messages Via The User Interface

    10  Troubleshooting SMA Solar Technology AG Procedure: 1. If an insulation error has occurred, switch the insulation monitoring device back on. 2. Turn the key switch to Stop, wait two seconds, and then turn back to Start. 10.3.2 Acknowledging Error Messages via the User Interface Dealing with disturbances Disturbance messages should only be acknowledged once the underlying causes have been eliminated.

  • Page 77: Explanation Of The Error Tables

    SMA Solar Technology AG 10  Troubleshooting • System-Specific The Sunny Central switches to the operating state "Fault" and opens the AC contactor and the DC switchgear. The Sunny Central does not feed into the grid. How long the Sunny Central remains in this state depends on system-specific influencing factors.

  • Page 78: Error Numbers 01Xx To 13Xx - Disturbance On The Utility Grid

    10  Troubleshooting SMA Solar Technology AG 10.4.3 Error Numbers 01xx to 13xx - Disturbance on the Utility Grid After a grid failure, the Sunny Central monitors the utility grid for a certain time before reconnecting. When the Sunny Central monitors the utility grid after a grid error, the grid monitoring time is maintained.

  • Page 79: Error Number 34Xx To 40Xx - Disturbance On Pv Array

    SMA Solar Technology AG 10  Troubleshooting Error no. Explanation Behavior of the Corrective measures Sunny Central 0801 One line conductor of the utility grid 30 s 30 s ‒ • Check line voltage. has failed. • Make sure the external fuses 0802* function properly.
  • Page 80 10  Troubleshooting SMA Solar Technology AG Error no. Explanation Behavior of the Corrective measures Sunny Central 3504 Insulation monitoring device has ‒ • Check PV array for ground detected an insulation error. Since faults. the parameter IsoErrIgn is set to On, this error is ignored.

  • Page 81: Error Numbers 60Xx To 90Xx - Disturbance On The Sunny Central

    Explanation Behavior of the Corrective measures Sunny Central 6002 Calibration data cannot be loaded. ‒ • Contact the SMA Service Line. 6113 Data block cannot be loaded from ‒ EEPROM or channel list has changed (e.g. after firmware update) 6115...
  • Page 82 Behavior of the Corrective measures Sunny Central 6441 Sensor error occurred during 30 s 30 s ‒ • Contact the SMA Service Line. measurement of the DC voltage. 6443 Unspecified error occurred in digital 30 s 30 s signal processor. 6447 Self-test in inverter bridge failed ‒...
  • Page 83 Communication between touch ‒ • Check cabling between touch display and SC-COM interrupted. display and SC-COM. Error number appears on display • Contact the SMA Service Line. only. 7601 Internal Sunny Central error. 30 s 1 min • Contact the SMA Service Line.
  • Page 84 Error no. Explanation Behavior of the Corrective measures Sunny Central 8704 External active and reactive power ‒ • Contact the SMA Service Line. setpoints invalid 9000 Power electronics self-test running ‒ This message disappears once the self-test is complete. 9008...

  • Page 85: Instantaneous Values

    SMA Solar Technology AG 11  Instantaneous Values 11 Instantaneous Values 11.1 Sunny Central 11.1.1 Power Limitation Error Messages and Warnings relating to Active Power Limitation Name Display Description P-WModFailStt No mode for active power limitation has been selected. A mode for active power limitation has been selected and there are no errors present.

  • Page 86: Error Channels

    11  Instantaneous Values SMA Solar Technology AG Displacement Power Factor and Power Setpoint Name Description Current displacement power factor cos φ PFExt Current excitation of displacement power factor cos φ P-WSpt Current specified power output 11.1.2 Error Channels Name Description...

  • Page 87: Internal Device Values

    Feed-in hours (feed-in time without waiting time) of the inverter, in h * These instantaneous values are only visible after entering the installer password. 11.1.6 Service-Relevant Display Values Display values that are only relevant to SMA Solar Technology are listed below. Name Name...

  • Page 88: Sunny Central String-Monitor Controller

    11  Instantaneous Values SMA Solar Technology AG Name Name GriSwStt Firmware-7 InfFlgs Firmware-8 LvrtVtgNom Firmware-9 ManResStt Firmware-CRC ParaSetStt Firmware-2-CRC StkErrFirst Firmware-5-CRC StkErrFlgs Firmware-6-CRC SvmMode ‒ 11.2 Sunny Central String-Monitor Controller 11.2.1 Instantaneous Values Name Description MeanCurGr1 Mean current for group 1; mean value exists for all 6 groups...

  • Page 89: Sunny String-Monitor

    SMA Solar Technology AG 11  Instantaneous Values 11.3 Sunny String-Monitor 11.3.1 Instantaneous Values Name Description IString 1 Mean current value of string 1 over the last 30 seconds; mean value exists for all eight measuring channels 11.3.2 Internal Device Values...

  • Page 90: Parameters

    12  Parameters SMA Solar Technology AG 12 Parameters 12.1 Sunny Central 12.1.1 Power Limitation Name Description Value/range Explanation Default value Plimit* Nominal device power 0 kW to 500 kW SC 500CP-JP 500 kW 0 kW to 700 kW SC 630CP-JP...
  • Page 91 SMA Solar Technology AG 12  Parameters Name Description Value/range Explanation Default value P-WGra** Gradient of power 1%/Hz to 100%/Hz ‒ 40%/Hz reduction PFAbsMin* Limitation of the 0.5 to 1 The parameter should not displacement power fall below 0.8 in normal factor cos φ...
  • Page 92 12  Parameters SMA Solar Technology AG Name Description Value/range Explanation Default value P-VtgGraNom Active power gradient 0.017%/s to ‒ 0.166%/s for voltage-dependent 100.000%/s active power limitation P-VtgEna Activation of Deactivated voltage-dependent Activated active power limitation P-VtgNomP1 Voltage at point 1 100% to 120% ‒...
  • Page 93 SMA Solar Technology AG 12  Parameters Name Description Value/range Explanation Default value PF-WLockInVtg** Power from which the 0% to 110% ‒ cos φ(P) characteristic curve is activated, in % relative to the nominal voltage PF-WLockOutVtg** Power from which the 0% to 110% ‒...
  • Page 94 12  Parameters SMA Solar Technology AG Name Description Value/range Explanation Default value Q-VArGraNom Reactive power 0%/V to 44.06%/V SC 500CP-JP 0%/V Neg** gradient at a negative 0%/V to 31.47%/V SC 630CP-JP change of nominal 0%/V to 25.04%/V SC 800CP-JP voltage...
  • Page 95 SMA Solar Technology AG 12  Parameters Name Description Value/range Explanation Default value VArCtlVolHystDb Specification of reactive power as a function of the line voltage (Q = f(V) characteristic curve) VArCtlVolHysDbA Specification of reactive power as a function of line voltage with activation...
  • Page 96 12  Parameters SMA Solar Technology AG Name Description Value/range Explanation Default value Q-VArTmsSpnt** Time setting of the 0.2 s to 20 s ‒ 10 s characteristic curve point Q-VArTmsVtg** Delay of line voltage 0.2 s to 20 s ‒ 10 s...
  • Page 97 SMA Solar Technology AG 12  Parameters Name Description Value/range Explanation Default value Q-VAr Reactive power in kVAr − 220 kVAr to +220 kVAr SC 500CP-JP 0 kVAr − 310 kVAr to +310 kVAr SC 630CP-JP − 385 kVAr to +385 kVAr SC 800CP-JP...

  • Page 98: Grid Monitoring/Grid Limits

    12  Parameters SMA Solar Technology AG 12.1.2 Grid Monitoring/Grid Limits Name Description Range Explanation Default value HzCtlOpMin* Minimum connection frequency 45 Hz to 50 Hz For 50 Hz grid 49.5 Hz 55 Hz to 60 Hz For 60 Hz grid 59.4 Hz...
  • Page 99 SMA Solar Technology AG 12  Parameters Name Description Range Explanation Default value VCtlhhLim* Threshold for overvoltage release 100% to 150% ‒ 130% level 2 VCtlhhLimTm* Tripping time for overvoltage 0 ms to ‒ 100 s level 2 1,000,000 ms VCtlhLim*...

  • Page 100: Grid Support

    12  Parameters SMA Solar Technology AG 12.1.3 Grid Support Name Description Value/range Explanation Default value FRT2ArGraNomHi* Slope of the FRT characteristic 0 to 10 Values between curve in accordance with the 0 and 2 are System Service Ordinance recommended. SDLWindV in case of overvoltage...

  • Page 101: Insulation Monitoring

    SMA Solar Technology AG 12  Parameters 12.1.4 Insulation Monitoring Name Description Value/range Explanation Default value IsoErrIgn* Enables insulation error Deactivated detection, continued operation Activated in the event of insulation error Error is only ignored if the inverter is in feed-in operation RemMntSvc Deactivates PV array grounding.
  • Page 102 12  Parameters SMA Solar Technology AG Name Description Value/range Explanation Default value DtSet Date 20060101 to yyyymmdd ‒ 20991231 ExlStrStpEna* Activation of external shutdown signal/ Deactivated remote shutdown Activated ExlTrfErrEna* Activation of hermetic protection of MV Deactivated transformer Activated ExtSolIrrOfs Offset of the external irradiation sensor −...

  • Page 103: Sunny Central String-Monitor Controller

    SMA Solar Technology AG 12  Parameters Name Description Value/range Explanation Default value PVStrT Timer: once the specified time has 1 s to 300 s ‒ 90 s elapsed, the Sunny Central switches from the operating state "Grid monitoring" to the operating state "Grid monitoring time reached"...
  • Page 104 12  Parameters SMA Solar Technology AG Name Description Value/range Explanation Default value MoniTmComOn* Start time for monitoring of all 7:00 a.m. to ‒ 10:00 groups 7:00 p.m. a.m. MoniTmComOff* Stop time for monitoring of all 7:00 a.m. to ‒ 3:00 p.m.

  • Page 105: Sunny String-Monitor

    SMA Solar Technology AG 12  Parameters 12.3 Sunny String-Monitor Name Description Value/range Explanation Default value TMittelung* Duration of measured current 0 s to 6 000 s ‒ 30 s value averaging String number* Number of detected PV strings 0 to 8 ‒...
  • Page 106 12  Parameters SMA Solar Technology AG Name Description Value/range Explanation Default value Command** Stop Contact the SMA Service Line if you wish to use this Meas function. Offset1 Offset2 Diag Reset Err.Cnt. StoreCalibData LoadCalibData Watchdog test Surge arrester1* Alarm contact...

  • Page 107: Contact

    SMA Solar Technology AG 13  Contact 13 Contact If you have technical problems concerning our products, contact the SMA Service Line. We require the following information in order to provide you with the necessary assistance: • Device type • Serial number •...
  • Page 108 SMA Solar Technology www.SMA-Solar.com...

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