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SINVERT 350, SINVERT 420 and SINVERT 500 TL
Operating Manual – 11/2009
SINVERT
Answers for environment.
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Photovoltaic SINVERT Introduction 1 SINVERT 350, SINVERT 420 and Description 2 SINVERT 500 TL Hardware operation 3 Alarm and fault messages 4 Support 5
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Safety instructions These Operating Instructions contain information which you should observe to ensure your own personal safety as well as to protect the product and connected equipment. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol. Notices referring only to equipment damage have no safety alert symbol. Warnings are shown in descending order according to the degree of danger as follows. DANGER indicates that death or serious in
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Contents 1 Introduction ................................................................................................................... 6 1.1 About this documentation........................................................................................ 6 1.1.1 Scope of validity .............................................................................................. 6 1.1.2 Target group............................................................................................
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Tables Table 3-1 Pin assignment X5 (SUB-D 9-pin/ RS422 for PPsolar)........................................... 13 Table 4-1 Alarm and fault messages................................................................................. 27 Table 4-2 ISO fault .......................................................................................................... 30 Table 4-3 Fault 0............................................................................................................. 31
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Introduction 1.1 About this documentation 1 Introduction 1.1 About this documentation This manual will provide you with guidance in the use of SINVERT PV inverters. It provides you with a detailed overview of all the information you need to know about SINVERT PV inverters. We have checked that the contents of this document correspond to the hardware and software described. However, since deviations cannot be precluded entirely, we cannot guarantee full consistency. The information given
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Introduction 1.1 About this documentation and their master-slave variants: • SINVERT 700 MS (two SINVERT 350 inverters in parallel) • SINVERT 1000 MS (three SINVERT 350 inverters in parallel) • SINVERT 1400 MS (four SINVERT 350 inverters in parallel) • SINVERT 850 MS (two SINVERT 420 inverters in parallel) • SINVERT 1300 MS (three SINVERT 420 inverters in parallel) • SINVERT 1700 MS (four SINVERT 420 inverters in parallel) • SINVERT 1000 MS TL (two SINVERT 500 TL inverters in para
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Description 2.1 Application 2 Description 2.1 Application The SINVERT PV inverter is a fully assembled, ready-to-connect inverter unit for PV installations. 1 2 3 Figure 2-1 Overview of PV system 1 The inverter transforms the DC voltage produced by the PV modules into an AC voltage. The AC output voltage is transformed to the grid voltage by a medium-voltage transformer. 2 The PV solar system can thus be connected to the medium-voltage grid. 3 8
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Hardware operation 3.1 Commissioning the inverter 3 Hardware operation 3.1 Commissioning the inverter Commissioning an installation requires certain switching operations to be performed. This type of work must always be undertaken by qualified, properly trained personnel. Failure to perform switching operations correctly can result in significant property damage and serious physical injury. The components described in this manual operate at hazardous voltages and currents. Proper precauti
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Hardware operation 3.1 Commissioning the inverter 3.1.2 Switching off and disconnecting the power supply The entire system must be disconnected from the power supply before test and maintenance work can be carried out in the containers. Carry out these tasks in the sequence given below: 1. Press the OFF key briefly on the control panel of every inverter. 2. For reasons of safety, also press the Fast Stop button (if one is installed) in the inverter room. 3. Disconnect the external powe
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Hardware operation 3.1 Commissioning the inverter 3.1.3 Switching on The inverter is switched on in the same way as it is switched off, but in the reverse sequence. 1. Check that all connections have been made correctly (including polarity). 2. Switch on the junction boxes in the PV field. 3. Switch on the external power supply for the medium-voltage switchgear. 4. Switch on the external power supply for the inverter container. 5. Close the medium-voltage breaker. o Open the groundin
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Hardware operation 3.2 Operating the inverter 3.2 Operating the inverter 3.2.1 Operator panel Figure 3-1 Front view of control panel Grid LED indicator bar 1 Status display 2 Fault display 3 Display 4 Service interface (RS 232) 5 Keyswitch (operating mode) 6 OFF 7 key 12
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Hardware operation 3.2 Operating the inverter Figure 3-2 Front view of control panel Table 3-1 Pin assignment X5 (SUB-D 9-pin/ RS422 for PPsolar) Pin Signal 1 RRS485P 5 TRS485N 6 TRS485P 9 RRS485N 13
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Hardware operation 3.2 Operating the inverter 3.2.2 Operating mode You can choose between modes "Automatic" and "Test". In Test mode, you can adjust the DC voltage manually. In Automatic mode, the inverter determines the Maximum Power Point (MPP) automatically. It also displays currently active fault messages. To select Test mode, turn the keyswitch to the "TEST" position. To select Automatic mode, turn the keyswitch to the "AUTO" position. 3.2.3 Switching the inverter on and off The i
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Hardware operation 3.2 Operating the inverter 3.2.5 Fault reset You can reset a fault by turning the keyswitch from "AUTO" to "TEST" and back to "AUTO" or vice versa. If the inverter has been disabled due to a fault, it can now be activated again. 3.2.6 Displaying currently active alarms and faults In Automatic mode, you can display the last ten alarm and fault codes. To do this, press the OFF key in Automatic mode for more than 3 seconds. The alarm and fault codes will then appear in s
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Hardware operation 3.2 Operating the inverter Maximum Power Point (LED "MPP") The power which can be generated by a PV system depends on the level of insolation and the temperature of the PV modules. The inverter control unit is equipped with a "Tracker" which automatically tracks the MPP (Maximum Power Point) of the PV field in Automatic mode. As soon as the inverter tracker has found the MPP, the LED "MPP" lights up. A flashing "MPP" LED indicates throttling of the inverter due to over
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Hardware operation 3.3 Communication with the inverter 3.3 Communication with the inverter Various possible methods of communicating with the inverter are presented below. 3.3.1 WEB’log WEB’log is generally used to log inverter data, i’checker data and meteorological data which has been recorded while the inverter is in operation. This data can be represented graphically in an Internet portal. In systems with WinCC, WEB’log serves as an interface for the i'checker sensors. 3.3.2 WinCC
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Hardware operation 3.3 Communication with the inverter Gray: No information available about the system components Blue: System components are ready; no energy flowing Green: System components are running; energy is flowing Red: System components are malfunctioning Figure 3-5 System Diagram PPsolar The System Diagram contains the electrical data of the entire PV installation plus all important information about the operating status of the system (voltage, current, output, frequency)
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Hardware operation 3.3 Communication with the inverter The Control Panel (Figure 3-6) contains the same display and control elements as the control panel of the SINVERT PV inverter. Figure 3-6 Control Panel PPsolar 19
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Hardware operation 3.3 Communication with the inverter The Oscilloscope function (Figure 3-7) enables you to record data in two channels and to print output voltages, output currents, inverter currents and the PV generator voltage. The right to use this special function is reserved for Siemens customer service personnel. The trigger control function enables you to choose the events which will trigger measured data recordings. A measurement can be triggered by a malfunction, a grid (mains)
