janitza SVG Series User Manual
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janitza SVG Series User Manual

janitza SVG Series User Manual

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Janitza electronics GmbH
Vor dem Polstück 6
D-35633 Lahnau
Phone support: +49 6441 9642-22
Email: info@janitza.de
www.janitza.de
Power Controller
SVG
User manual

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Summary of Contents for janitza SVG Series

  • Page 1 Power Controller User manual Janitza electronics GmbH Vor dem Polstück 6 D-35633 Lahnau Phone support: +49 6441 9642-22 Email: info@janitza.de www.janitza.de...
  • Page 2 Please see our website under www.janitza.de for the current version. Janitza electronics GmbH offers their customers comprehensive technical support. Users can contact their local representative or the company's customer service center, or the head office directly, if they have any questions.
  • Page 3 SVG 50/100 The settings in the Parameter Settings menu are password protected (see section 8.1.3). Please cut out this section and keep it in a safe place! User password: 080808...

  • Page 4: Table Of Contents

    5. 5. 1 Current transformer selection 5. 5. 2 Current transformer (CT) installation on the load side (open loop) 5. 5. 3 Current transformer (CT) installation on the grid side (closed loop) 5. 5. 4 Connection of an SVG to a Janitza UMG...
  • Page 5 SVG 50/100 6. Commissioning 6. 1 Before switching on the installation 6. 2 Procedure for switching on the installation 6. 3 Procedure for switching off the installation 6. 3. 1 Automatic powering on 6. 4 Emergency stop (optional) 7. Precautionary measures during maintenance 8.

  • Page 6: Information On The Device And The User Manual

    Compliance with the informational products for the device is a prerequisite for safe opera- tion and attaining the stated performance characteristics and product features. Janitza electronics GmbH assumes no liability for bodily injury, material damage or finan- cial losses which result from disregard of the informational products.

  • Page 7: Safety

    Documentation associated with the product can be found on our website at www.janitza.de > Support > Downloads. Symbols used This additional symbol on the device or the component itself indicates an electrical hazard that can lead to severe injury or death.

  • Page 8: Safety Measures

    SVG 50/100 Safety measures When operating electric devices, it is unavoidable that certain parts of these devices will conduct hazardous voltage. Consequently, severe bodily injury or material damage can occur if they are not handled properly: Electrically qualified personnel To avoid bodily injury and material damage, only electrically qualified personnel are permit- ted to work on the devices and their components, assemblies, systems and current circuits who have knowledge of: •...

  • Page 9: Information On Setting Up The Device

    SVG 50/100 Information on setting up the device • Do not set up the device in areas with high air humidity. • Do not keep it in the proximity of flammable liquids, gases or explosive materials. • Ensure there is enough space in front of and behind the system for adequate ventilation and/or for maintenance work.

  • Page 10: Standards

    SVG 50/100 Standards The product complies with the following standards for safety and electromagnetic compatibility: 1. IEEE519-1992: Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems; 2. GB 7251.1-2013: Low-voltage switchgear and controlgear assemblies Part 1: General rules GB/T 7251.8-2005: Low-Voltage Switchgear and Controlgear Assemblies –...

  • Page 11: Scope Of Delivery

    SVG 50/100 Scope of delivery Quantity Designation Static Var Generator SVG part no. (XX.XXX.XX User manual, English Cover Resistor B2508 blue 2.5 mm² Screw, 4 x 8 Resistor 1/4W -120Ω±1% Spacer washers Washers Screws 1) part number as per delivery note Accessories (optional) Quantity Designation HMI 7-inch monitor with touch display (part no.

  • Page 12: Product Description

    SVG 50/100 Product description Device description The Static Var Generator SVG 50 / SVG 100 is used for dynamic power factor correction of 400-V low voltage distribution board networks. The compensation capability of an individu- al module is either 50 kvar or 100 kvar. The Static Var Generator SVG provides dynamic compensation of inductive and capacitive reactive currents in the phases, and optionally in the N-conductor as well.

  • Page 13: Product Features

    SVG 50/100 Product features • Compensation of inductive and capacitive reactive power components • Cos φ power 0.99 (cos target configurable) • Power factor correction and balancing of asymmetrical loads • Ensures high availability • Reduces grid distortions • Infinitely variable, dynamic control •...

  • Page 14: Dimensional Drawings

    SVG 50/100 Dimensional drawings 4.4.1 SVG 100V 50kvar Width Figure 2-2, external dimension of rack modules Width Figure 2-3, external dimension of wall modules...
  • Page 15 SVG 50/100 4.4.2 Table of dimensions Designation Width Height Depth (mm) (mm) (mm) SVG-LCD W 400 V 50 kvar SVG-LCD R 400 V 50 kvar SVG-R 400 V 50 kvar SVG-LCD W 400 V 100 kvar SVG-LCD R 400 V 100 kvar SVG-R 400 V 100 kvar Table: Dimensions...

  • Page 16: Operating Principle

    After the data analysis, the reactive power change rate is determined and a PMW signal is sent to the IGBT driver board. Afterward, an inductive or capacitive compensation current is generated by the converter technology. Continuous control ensures a more accurate and stable system. Figure 2-4 Compensation provided by the Janitza SVG...
  • Page 17 SVG 50/100 As shown in Figure 2-5, a 3-level topology is employed in the Janitza SVG, whereby each phase branch consists of four IGBTs and two diodes. As an example, phase branch A will be considered: • When Sa1, Sa2 are switched on and Sa3, Sa4 are switched off, the voltage between point A and point O (VAO) is Vdc/2;...

  • Page 18: Installation And Power Connection

    SVG 50/100 Installation and power connection NOTE All SVG modules have identical current and signal interfaces. The description of the installation is provided based on the example of the filter SVG-LCD W 400 V 50 kvar. Before installation Take note of the safety information (chapter 2)! Check the line marking of the input terminals and the line marking of the external current transformer (CT).
  • Page 19 SVG 50/100 WARNING Risk of injury due to electrical voltage! Severe bodily injury or death can result! Therefore please abide by the following: • Switch off your installation before commencing work! Secure it against being switched on! Check to be sure it is de-energized! Ground and short circuit! Cover or block off adjacent live parts! •...

  • Page 20: Electrical Connection

    SVG 50/100 Electrical connection Definition of terms: • Open Loop / Closed Loop: When connecting the converter to the SVG, a distinction is made between the two connection versions “open loop” and “closed loop”. • With a “retrofit” installation, the converter typically is located on the network side (these converters are usually integrated in the feed).

  • Page 21: Open Loop

    SVG 50/100 If the converter is connected using the closed loop version with only one filter module, the “Network” function must be enabled when selecting the converter on the display of the SVG. Manual Grid Next Back Figure, converter position 5.2.2 Open Loop Grid side Load side...

  • Page 22: Electrical Connection Of An Svg Single Module

    SVG 50/100 5.2.3 Electrical connection of an SVG single module The electrical interfaces of the rack and wall modules are the same so only the electrical connection of the rack module is described here. Components for the installation of SVG-LCD R 400 V 50 kvar single module: •...

  • Page 23: Location Of The Current And Signal Interfaces

    SVG 50/100 5.2.4 Location of the current and signal interfaces Network interface and interface for potential-free contact Power terminals Signal interface PE terminal Figure 3-5 Location of the current and signal interfaces DIP switch Monitoring interface Figure 3-6, Signal interface The central 7-inch monitor is connected to the monitoring interface via the communication cable.
  • Page 24 SVG 50/100 Table 3-1, Definition of the CT and communication signals Serial no. Identifier Description CT_A Connected to S1 of phase L1 of the CT CT_A_GND Connected to S2 of phase L1 of the CT CT_B Connected to S1 of phase L2 of the CT CT_B_GND Connected to S2 of phase L2 of the CT CT_C...
  • Page 25 SVG 50/100 Permissible address range for the Module no. modules: Module number ≤ 8 1 (ON) 1 (ON) 1 (ON) 1 (ON) 1 (ON) 1 (ON) 1 (ON) 1 (ON) 1 (ON) Table 3-2, Description of the DIP switch 1 (ON) 1 (ON) 1 (ON) and the module numbers...

  • Page 26: Electrical Connection Of More Than One Module With Lcd Display

    SVG 50/100 Electrical connection of more than one module with LCD display When electrically connecting more than one LCD module, the interfaces for the rack and wall modules are the same, so only the connection of the rack module is described here. The operating status monitoring and the error diagnosis of the local device are carried out via the 4.3-inch screen of the LCD module.
  • Page 27 SVG 50/100 Electrical connection of more than one LCD module (1~N): Grid side Load side A = L1 B = L2 C = L3 Figure 3-12, Electrical connection of two LCD modules...

  • Page 28: Electrical Connection Of Modules With Lcd Display With Different Capacities

    SVG 50/100 5.3.1 Electrical connection of modules with LCD display with different capacities In the interest of satisfying different requirements for the compensation, the user may com- bine SVG modules with different capacity levels. For example, the SVG-LCD W 400 V 25 kvar and the SVG-LCD W 400 V 50 kvar can be combined.

  • Page 29: Electrical Connection Of Several Modules Without Display

    SVG 50/100 Electrical connection of several modules without display 5.4.1 Electrical connection of the SVG R 400 V 50 kvar Power grid Power distribution Load system Generator Central Monitoring Figure 3-16, Electrical connection of several modules without display (1~N) Module SVG R 400 V 50 kvar, for example, is intended for installation in switchboard cabi- nets and can be monitored with a 7-inch monitor.
  • Page 30 SVG 50/100 Signal interface of module 1 Signal interface of module 2 Signal interface of module 3 Figure 3-17 Signal interface connection for three modules...

  • Page 31: Electrical Connection Of Modules Without Display With Different Capacities

    SVG 50/100 5.4.2 Electrical connection of modules without LCD display with different capacities Similar to the compensation with LCD modules, the compensation with different capacities is accomplished using several modules without a display. Installation is done in the same manner for these modules as for the previously described modules. Signal interface of module 1 Signal interface of module 2 Signal interface of module N...

  • Page 32: Installation Of The Current Transformer (Ct)

    SVG 50/100 Installation of the current transformer (CT) Switch off your installation before commencing work! Check to be sure it is de-energized! Ground the installation! Use the ground connection points with the ground symbol to do so! Consult the documentation for the current transformers! WARNING Risk of injury due to large currents and high electrical voltage on the current trans- formers!

  • Page 33: Current Transformer Selection

    SVG 50/100 5.5.1 Current transformer selection The current transformer (CT) is of considerable importance in the operation with the SVG, which means that the selection of an external current transformer (CT) is very important. 3-phase conductor system without N-conductor: Two CTs are required and they must be installed on phase A (L1) and C (L3) respectively. 3-phase conductor system with N-conductor: Three CTs are required and they must be installed in the current circuits of phases A (L1), B (L2) and C (L3).

  • Page 34: Current Transformer (Ct) Installation On The Load Side (Open Loop)

    SVG 50/100 5.5.2 Current transformer (CT) installation on the load side (open loop) After the installation of the CT on the load side, the signal is transmitted to the SVG (see Figure 3-20). In a 3-phase conductor system with an N-conductor, a CT group (3 current transformers) must be used detect the current.
  • Page 35 SVG 50/100 Grid side Load side Compensation Kompensation Figure 3-21 (a) Current transformer on the load side with additional compensation Load side Grid side Com- pensa- Kompensation tion Figure 3-21 (b) Current transformer on the load side with additional compensation Kompensation (compensation before the SVG) Load side...

  • Page 36: Current Transformer (Ct) Installation On The Grid Side (Closed Loop)

    SVG 50/100 Kompensation 5.5.3 Current transformer (CT) installation on the grid side (closed loop) If it is not possible to install the CT group on the load side, or if current transformers are already present on the grid side, the CT groups can also be connected on the grid side (see Kirchhoff’s law of current distribution).
  • Page 37 SVG 50/100 Grid side Load side Kompensation Kompensation Figure 3-23 (b) Current transformer on the grid side with compensation between the transformers Grid side Load side Kompensation Kompensation Figure 3-24 Current transformer on the grid side and compensation on the load side...
  • Page 38 SVG 50/100 Figure 3-24a SVG with summation current transformer in the redundant grid...

  • Page 39: Connection Of An Svg To A Janitza Umg

    5.5.4 Connection of an SVG to a Janitza UMG Terminal strip SVG 1 Terminal strip SVG 2 Figure 3-25 Connection of an SVG to a Janitza UMG SVG 1 SVG 2 Figure 3-26 Connection of an SVG to a Janitza UMG and 7” monitor...

  • Page 40: Commissioning

    SVG 50/100 Commissioning Before switching on the installation CAUTION Risk of injury due to electrical voltage! Severe bodily injury or death can result from: • Touching bare or stripped leads that are energized. • Inputs of the device and its components that pose a hazard when touched. •...

  • Page 41: Procedure For Switching Off The Installation

    SVG 50/100 Once the device has been checked by a technician, powering on is permitted. If the system is de-energized, follow the steps for powering on shown below. Close the circuit breaker between the power grid and the SVG. Close the circuit breaker in the switchboard cabinet. The start screen appears on the monitor.

  • Page 42: Automatic Powering On

    SVG 50/100 WARNING For maintenance or to open the switchboard cabinet, it is essential to make a measure- ment to ensure there is no voltage! 6.3.1 Automatic powering on When there is a grid disturbance or an unusual mains voltage or frequency, the SVG powers off automatically, thereby terminating the control.

  • Page 43: Precautionary Measures During Maintenance

    • Check the ground points regularly. • Ensure that maintenance personnel are properly trained. • Inform the Janitza service technician if the filter is used in environments with exposure to harmful oils, acids or gases. The environmental conditions must be taken into ac- count in the specific planning.

  • Page 44: System Operation

    SVG 50/100 System operation Monitoring and troubleshooting of models with LCD 8.1.1 4.3-inch LCD screen The 4.3-inch screen on the front plate of the module makes it possible to display information on the voltage and current in realtime. It is easy to check the power status and make parameter settings.

  • Page 45: The "Data" Button

    SVG 50/100 8.1.2 The “Data” button • The “Data” button in the main menu takes you to the Data main menu (Figure 4-3). Figure 4-3 Data main menu Voltage • The “Voltage” button (see Figure 4-3) takes you to the “Mains voltage” menu. •...
  • Page 46 SVG 50/100 Current • Select the “Current” button (Figure 4-3) and navigate to the Current main menu (Figure 4-6). Figure 4-6 Current main menu • Select “Mains current” in Figure 4-6 to check the mains current, (Figure 4-7). Figure 4-7 Display of the mains current •...
  • Page 47 SVG 50/100 • The overview menu allows you to select the waveforms for mains current, mains voltage, load current and compensation current for phases L1, L2 and L3. Figure 4-9a Menu for waveform selection • Select “Load Current” in Figure 4-6 to check the load current, (Figure 4-7a).
  • Page 48 SVG 50/100 Power • Select the “Power” button (Figure 4-3) to check the power data on the grid and load sides, including the apparent power, the active power and the reactive power, (Figure 4-10). Figure 4-10 Power analysis • Select “IO & Temp.” (Figure 4-3) to check the input/output status and the node temperature, (Figure 4-11).

  • Page 49: The "Parameters" Button

    SVG 50/100 8.1.3 The “Parameters” button • The “Parameters” menu item to the left in the menu bar takes you to the Log In screen (Figure 4-12). The parameter settings are password protected. Enter the user password (see page 3) and confirm it with the Log In button. Figure 4-12 Login screen for setting the parameters •...
  • Page 50 SVG 50/100 • The System Parameters menu (Figure 4-14) offers Operating Mode, Start Mode, Transformer Position and Total Current Operating mode: There are 6 operating modes available, see below. Start Mode: “Auto”: The SVG automatically compensates the reactive power. “Manual”: Compensation only begins once the power on command has been received (Power ON).
  • Page 51 Parameters that are described in Figures 4-14c through Figure 4-15 are factory set and must only be changed in consultation with a Janitza service technician. • Pressing the “Next” button once again opens the menu for setting the harmonic angles.
  • Page 52 SVG 50/100 • Pressing the “Next” button again opens the “Temperature Derating” menu. Here, if needed, the voltage upper limit and lower limit can be entered in %: Temperature Derating: On or off Capacitive Compensation: On or off Mains voltage adjustment: On or off If the mains voltage exceeds the upper limit value, the SVG feeds in inductively.
  • Page 53 SVG 50/100 • The “Next” button takes you to the “Energy Saving Function” menu. Here you can enter the times for energy saving (Figure 4-17) or select the days of the week or holidays (Figure 4-17a). Figure 4-17 Energy saving function Figure 4-17a Selecting holidays settings •...

  • Page 54: The "Measurement" Button

    SVG 50/100 • Close the “Parameters” main menu using the “Exit” button in the Parameters menu (Figure 4-13). Log in again with your password for every new change of the parameter settings. • The “Home” button takes you to the main menu (Figure 4-2). •...
  • Page 55 Parameters that are described in Figure 4-23 are factory set and must only be changed in consultation with a Janitza service technician. • The “Data” button to the left in the main menu allows you to access the menu for the analog addresses (Figure 4-23) via the “Test”...
  • Page 56 SVG 50/100 Table 4-2 Menu description for the 4.3-inch LCD screen Menu Description Power factor Mains current Effective value of the mains current for phase A/B/C Main menu Power factor Load current Effective value of the load current for phase A/B/C Send a “Power On”...
  • Page 57 3-phase 3-conductor system or 3-phase 4-conductor system Days till expiration Number of days until the license expires Only with the optional IO module The parameters marked in gray are factory set and can only be changed in consultation with a Janitza service technician...
  • Page 58 Set the compensation component; 1.0 shows 100%, etc. Target cos phi Desired cos phi Constant reactive Constant reactive power compensation is needed power The parameters marked in gray are factory set and can only be changed in consultation with a Janitza service technician...
  • Page 59 Download the history of the alarm messages to a alarm download USB storage medium Save setup Message list of the actions The parameters marked in gray are factory set and can only be changed in consultation with a Janitza service technician...

  • Page 60: Monitoring And Troubleshooting Of Modules Without Display

    SVG 50/100 Monitoring and troubleshooting of modules without display 8.2.1 7-inch LCD screen The 7-inch LCD screen is used for the central monitoring and troubleshooting of modules without a display. The external screen features a (800 x 400 pixel) color graphic display with a user friendly user interface.
  • Page 61 SVG 50/100 Selecting the main menu The main menu shows the THD and effective values for all phases on the grid and load sides. A display indicates the operating status of the SVG. “Normal” – Green indicator: normal operating status "Alarm"...

  • Page 62: The "Info" Button - Realtime Information

    SVG 50/100 8.2.2 The “Info” button – Realtime information "BASIC" • The button at the top right in the main menu (Figure 4-23) opens the "BASIC" menu (basic information on voltage, current, potential-free contacts, harmonics analysis and power). Information on the mains voltage, mains current, load current and compensation current can be checked (Fig.
  • Page 63 SVG 50/100 "WAVES" • Use the “WAVES” button to go to the menu for checking the other waveforms of the grid, load and compensation current. Figure 4-29 Waves "I/O" • Use the “I/O” button in the menu bar (Figure 4-25) to query the temperatures of the phases (L1/L2/L3) and information on the potential-free contacts.

  • Page 64: The "Settings" Button

    SVG 50/100 8.2.3 The “Settings” button "SYSTEM" • The “SYSTEM” button in the menu bar takes you to the Settings menu. • The parameter settings are password protected. Enter the user password (see page 3) and confirm it with Confirm. Figure 4-31 System Settings menu •...
  • Page 65 SVG 50/100 "COMM” • Select the “COMM” button in the System Settings menu (Figure 4-31) to set up the communication (Figure 4-33). Figure 4-33 Communication Setup menu...
  • Page 66 SVG 50/100 "PREFER.” • Select the “PREFER.” button in the System Settings menu (Figure 4-31). Figure 4-35 “PREFER” menu The following functions are available: • DATE: Set the current date • Language: Select the monitor display language • Operator Password: The parameter settings are password protected. Passwords can be changed here.

  • Page 67: The "Records" Button

    SVG 50/100 8.2.4 The “Records” button • The "Records” menu item in the main menu (Figure 4-23) takes you to the alarm messages. The user can choose between active "ACTIVE" (Figure 4-36) and historical alarms - "HISTORY" (Figure 4-37) as well as select operational messages "OPERATIONS"...

  • Page 68: The "Help" Button

    SVG 50/100 8.2.5 The “Help” button • General instructions for troubleshooting (Figure 4-38) Figure 4-39 Troubleshooting 8.2.6 The “About” button • The “About” menu item provides information about the software version and the SVG type (Figure 4-40). Figure 4-40 Version information...

  • Page 69: Menu Description

    SVG 50/100 8.2.7 Menu description Table 4-3 Menu description for the 7-inch LCD screen Menu Element Description Voltage (A) Phase voltage of phase A/B/C Frequency Voltage frequency (Hz) Mains voltage THDU Harmonics content of the mains voltage for phase A/B/C Waveform Mains voltage waveform RMS (A)
  • Page 70 SVG 50/100 Menu Element Description Operating There are 6 operating modes available (mode 3 internal) modes See section 8.1.3 Target cos phi In the “Power factor correction” mode, you set the Cos phi value on the grid side. The SVG adjusts the intensity and phase of the reactive current in accordance with its own load share so that the grid Cos phi reaches the target value.
  • Page 71 Power on/ Send a “Power Off” command Acknowledge fault Acknowledge the current error message Version/ Display of the software version no. and the system model about Note: Parameters in menus not described must only be used by Janitza service technicians.

  • Page 72: System Operation With More Than One Module Without Display

    SVG 50/100 System operation with more than one module without display For compensation of the reactive power, a module can be operated as an individual module or be arranged in parallel with several modules. The central monitoring is accomplished using an external 7-inch LCD screen. The external 7-inch monitor is connected to the monitoring interface of one of the modules via the communication cable (Figure 4-41).
  • Page 73 SVG 50/100 Example: • 3 modules without display - SVG R 400 V 50 kvar - arranged for parallel operation • Device numbers 1, 2, 3 (according to the order of their installation in the switchboard cabinet) • DIP switches set as follows: CT2=CT1=CT0=0;...
  • Page 74 SVG 50/100 NOTE • Connect the power supplies for the switchboard cabinets in parallel. • The CT interfaces must be connected to each other in series! (as in section 5.2) Set the following parameters in the “System Settings” menu (see Figure 4-31): •...

  • Page 75: Troubleshooting

    • If the compensation appears to have little effect and there is no warning notice, contact a Janitza service technician; • If the LCD screen displays an alarm message, contact a Janitza service technician; • If the device shows no reaction on starting, contact a Janitza service technician;...

  • Page 76: Appendix 1 - Part Numbers

    SVG 50/100 Appendix 1 – Part numbers AHF-LCD W 400 V – Wall mounted version Part number Type Version 1420027 SVG-LCD W 400 V 100 kvar Wall mounted & touch display 1420028 SVG-LCD W 400 V 50 kvar Wall mounted & touch display AHF-LCD R 400 V –...

  • Page 77: Appendix 2 - Technical Data

    SVG 50/100 Appendix 2 – Technical data AHF-LCD W 400 V – Wall mounted version Technical data Compensation power 50 kvar 100 kvar Cooling air requirement 790 m 1080 m Weight 35 kg 48 kg Low-voltage HRC outgoing circuit fuse 100 A 200 A (on site)
  • Page 78 SVG 50/100 AHF-LCD R 400 V – Rack mounted version Technical data Compensation current 50 kvar 100 kvar 50 kvar 100 kvar Cooling air requirement 790 m 1080 m 790 m 1080 m Weight 35 kg 48 kg 35 kg 48 kg Low-voltage HRC outgoing circuit fuse 100 A...

  • Page 79: Appendix 3 - Selection Of Cables And Accessories

    200 A current CT line Less than 15 m: RVVSP 2×2.5 mm²; 15 m - 30 m: RVVSP 2×4 mm²; Over 30 m: Contact Janitza CT ratio range 150:5 to 10,000:5 Note If there are certain requirements concerning the cable temperature,...

  • Page 80: Appendix 4 - Modbus Protocol

    SVG 50/100 Appendix 4 – Modbus protocol The Janitza SVG supports the Modbus protocol. The RS-485 interface of the SVG can accommodate connection to an external USB port or a serial interface (via a 485/USB converter or a 485/232 converter).
  • Page 81 SVG 50/100...
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  • Page 84 Janitza electronics GmbH Vor dem Polstück 6 D-35633 Lahnau Tel.: +49 6441 - 9642-0 Email: info@janitza.de info@janitza.de | www.janitza.de...

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