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SD750SP
HARDWARE AND INSTALLATION
MANUAL
LOW VOLTAGE VARIABLE SPEED DRIVE

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Summary of Contents for Power Electronics SD750SP

  • Page 1 SD750SP HARDWARE AND INSTALLATION MANUAL LOW VOLTAGE VARIABLE SPEED DRIVE...
  • Page 3 SD750SP LOW VOLTAGE VARIABLE SPEED DRIVE FOR SOLAR PUMPING Hardware and Installation Manual Edition: March 2022 SD75SPHW01AI Rev. A...
  • Page 4: About This Manual

    TARGET AUDIENCE This manual is intended for qualified customers who will install, configure and operate Power Electronics SD750SP variable speed drives. Only qualified technical personnel validated by Power Electronics may install and start up the SD750SP variable speed drives REFERENCE MANUALS The following reference documents are available for this equipment: •...
  • Page 5 First edition. The equipment and technical documentation are periodically updated. Power Electronics reserves the right to modify all or part of the contents of this manual without previous notice. To consult the most updated information of this product, you may access our website www.power-electronics.com, where the latest version of this manual can be downloaded.
  • Page 6: Table Of Contents

    SD750SP POWER ELECTRONICS TABLE OF CONTENTS ABOUT THIS MANUAL ..........................2 SAFETY SYMBOLS ............................. 8 SAFETY INSTRUCTIONS ..........................9 TORQUE AND SCREW SIZING ......................... 14 INTRODUCTION ........................... 15 CONFIGURATION TABLE & STANDARD RATINGS ................. 16 Configuration table ..........................16 Standard ratings ..........................16 400Vac –...
  • Page 7 Minimum distances between cables ....................46 Reference cable section ........................47 Ground connection ..........................48 EMC installation requirements ......................49 Introduction ............................49 SD750SP compliance ........................50 Connection ............................50 Protections ............................51 Short circuit ............................51 Ground fault protection ........................53 Other protections ..........................
  • Page 8 SD750SP POWER ELECTRONICS ACRONYMS The terms commonly used in the documentation of Power Electronics’ products are listed in the table below. Please notice this is a general series of terms and it encompasses all our product divisions (industrial, solar, storage, and electric mobility), thus, some of the following expressions may not apply to this particular manual.
  • Page 9 POWER ELECTRONICS SD750SP ACRONYM MEANING Residual Current Device Residual Current Monitor RFID Radio Frequency Identification State Of Charge – referred to battery State Of Health – referred to battery. It compares the actual state of the battery to its initial conditions.
  • Page 10: Safety Symbols

    SD750SP POWER ELECTRONICS SAFETY SYMBOLS Always follow safety instructions to prevent accidents and potential hazards from occurring. In this manual, safety messages are classified as follows: Identifies potentially hazardous situations where dangerous voltage may be present, which if not avoided, could result in minor personal injury, serious injury or death.
  • Page 11: Safety Instructions

    It is the installer’s responsibility to follow the instructions provided on this manual, to follow good electrical practices and to identify all mentioned warnings and recommendations before starting up and operating the SD750SP. WARNING Do not remove the cover while the drive is powered or running.
  • Page 12 SD750SP POWER ELECTRONICS WARNING Both wiring and periodic inspections must be carried out at least 10 minutes after disconnecting the input power. To remove the front cover, make sure that the red "DC Link" LED is off. Then remove the metal cover from the terminals and check the following with a multimeter: •...
  • Page 13 These WEEEs should be managed accordingly with a Hazardous Waste Agent. Power Electronics promotes good environmental practices and recommends that all its products sold outside of the European Union, once they reach the end of their life, are separated and the WEEE managed according to the particular country applicable legislation (especially: electronic cards, capacitors, and other electronic devices).
  • Page 14 SAFETY • Before operating the drive, read this manual thoroughly to gain an understanding of the unit. If any doubt exists, please contact POWER ELECTRONICS, (902 40 20 70 / +34 96 136 65 57) or your nearest agent. •...
  • Page 15 Power Electronics and its affiliates are not liable for damages and/or losses related to such security breaches, any unauthorized access, interference, intrusion, leakage and/or theft of data or information.
  • Page 16: Torque And Screw Sizing

    Screwing should be tightened correctly only when necessary, i.e. when the factory marks are not in place. For small screws that do not have marks, the good electrical praxis will determine if it is loose. Power Electronics recommends the use of Zinc Steel quality 8.8 bolts for internal connections in general, DC and earth connections included.
  • Page 17: Introduction

    SD750SP. This equipment is a customised VSD with an increased DC range, adapted to work with AC or DC power or with a hybrid system. The SD750SP has an updated firmware that is also capable of finding the MPP (Maximum Power Point) to maximise installation performance.
  • Page 18: Configuration Table & Standard Ratings

    CONFIGURATION TABLE & STANDARD RATINGS Configuration table To consult the configuration table of SD750SP drives manufactured by Power Electronics, please refer to the latest brochure (visit http://www.power-electronics.com). Standard ratings Voltages in the standard ratings shown in the following tables are the three-phase input voltages for the drive.
  • Page 19: 400Vac - 565Vcc

    1150 1438 SD75P1260 5 1260 1890 1260 1575 >8 SD75P1440 5 1440 2160 1440 1800 SD75P1580 5 1580 2370 1580 1975 SD75P1800 5 1800 1000 2700 1800 2250 For higher power ratings, consult Power Electronics. CONFIGURATION TABLE AND STANDARD RATINGS...
  • Page 20: Technical Characteristics

    [2] Valid for frames 3 to 8, depending on the SD750 rated power. Optional filter available for frames 1 and 2. [3] Follow Power Electronics installation recommendations. For greater cable lengths, consult Power Electronics. Consult for greater lengths. [4] Available for 380–480Vac up to frame 4.
  • Page 21 POWER ELECTRONICS SD750SP Digital inputs 6 programmable. Active high (24Vdc). Isolated power supply Digital outputs 3 programmable changeover relays (250Vac, 8A or 30Vdc, 8A) 3 programmable differential inputs: 0 – 20 mA, 4 – 20 mA, 0 – 10 Vdc and ±10 Vdc,...
  • Page 22 SD750SP POWER ELECTRONICS Certifications CE, RCM, UL , cUL EMC Directive (2004 / 108 / CE) Electromagnetic compatibility IEC / EN 61800-3 LVD Directive (2006 / 95 / CE) IEC/EN 61800-2 General requirements REGULATIONS Design and construction IEC/EN 61800-5-1 Safety...
  • Page 23: Dimensions

    POWER ELECTRONICS SD750SP DIMENSIONS NOTICE “Technical Consult drives input supply voltage in section characteristics”. Dimensions of frame 1 DIMENSIONS (mm) WEIGHT (kg) 497,6 16,7 DIMENSIONS...
  • Page 24: Dimensions Of Frame 2

    SD750SP POWER ELECTRONICS Dimensions of frame 2 DIMENSIONS (mm) WEIGHT (kg) 474,3 212,4 DIMENSIONS...
  • Page 25: Dimensions Of Frame 3

    POWER ELECTRONICS SD750SP Dimensions of frame 3 DIMENSIONS (mm) WEIGHT (kg) Φ 27,6 838,5 827,2 11,4 61,2 DIMENSIONS...
  • Page 26: Dimensions Of Frame 4

    SD750SP POWER ELECTRONICS Dimensions of frame 4 DIMENSIONS (mm) WEIGHT (kg) 1251 464,5 85,05 DIMENSIONS...
  • Page 27: Dimensions Of Frame 5

    POWER ELECTRONICS SD750SP Dimensions of frame 5 DIMENSIONS (mm) WEIGHT (kg) 1715 168,25 DIMENSIONS...
  • Page 28: Dimensions Of Frame 6

    SD750SP POWER ELECTRONICS Dimensions of frame 6 DIMENSIONS (mm) WEIGHT (kg) 1715 286,52 DIMENSIONS...
  • Page 29: Dimensions Of Frame 7

    POWER ELECTRONICS SD750SP Dimensions of frame 7 DIMENSIONS (mm) WEIGHT (kg) 1667,4 1715 1132 1096 1220 1602 441,3 DIMENSIONS...
  • Page 30: Dimensions Of Frame 8

    SD750SP POWER ELECTRONICS Dimensions of frame 8 DIMENSIONS (mm) WEIGHT (kg) 1667 1715 1482 1220 1602 576,37 DIMENSIONS...
  • Page 31: Reception, Handling And Transportation

    Otherwise, the equipment can be damaged and lead to personal injury. Reception Power Electronics’ equipment are carefully tested and packed for shipment. In the event of damage to the unit during transportation notify the transport agency and Power Electronics: 902 40 20 70 (International +34 96 136 65 57) or your nearest agent, within 24h from receipt of the goods.
  • Page 32: Extended Storage

    SD750SP is delivered vertically. Frames 1 and 2 are delivered in a cardboard box. From frame 3 they are delivered fastened to a wooden pallet. Frames 3 and 4 are covered with a cardboard box and from frames 5 with a wooden box.
  • Page 33 In case of doubt about how to manipulate and transport equipment composed by several modules, consult Power Electronics. RECEPTION, HANDLING AND TRANSPORTATION...
  • Page 34: Mechanical Installation

    Environmental ratings Power Electronics recommends following the instructions in this manual carefully to ensure a correct operation of the drive. The installer is responsible for performing a proper installation in order to comply with the ambient conditions of the VFD. In addition, the installer is solely responsible for complying with the local regulations.
  • Page 35: Drive Mounting

    “Clearances”. Wall mounting drives The drives SD750SP from frame 1 to 4 are designed for wall mounting. In addition, the frame 4 has optionally available a plinth that that allows its mounting on the ground. The installation method and its location must be in accordance with the weight and dimensions of the drive.
  • Page 36: Stand Alone Drives

    The walls adjoining the drive must be of a non-flammable material. Attach the SD750SP to the wall or floor using the L brackets on both sides of the drive. The brackets have Ø11 hole diameters and are located on the legs and rear.
  • Page 37: Clearances

    POWER ELECTRONICS SD750SP Clearances If the equipment is installed inside a cabinet, ensure that the hot air expelled from the VFD is evacuated outside. This hot air could be sucked back and cause the drive to overheat. To ensure proper ventilation avoid air recirculation and maintain the minimum clearances indicated below.
  • Page 38 SD750SP POWER ELECTRONICS In case of drives with frames larger than 8, they must be installed side-to-side and following the minimum distances between modules (values in mm). REF. DESCRIPTION Minimum distance necessary to open both doors at the same time.
  • Page 39: Cooling

    The main heat sources inside the equipment correspond to: losses in the bridge rectifier (IGBTs), the input filter and the output dV/dt filter. The SD750SP series has an overall efficiency higher than 98%, so losses due to heat dissipation correspond to 2% of the power supplied by the equipment.
  • Page 40 SD750SP POWER ELECTRONICS The following figure identifies the gratings and extraction fans of the different levels. FRAMES OPERATION 64-77 239-287 306-367 342-410 396-475 486-583 720-864 972-1166 FLOW (m /h) (*) INLET GRATING AREA 2 0.081 0.016 0.025 0.031 0.034 0.064 0.101...
  • Page 41: Power Connection

    You must read and understand this manual thoroughly before proceeding. Use a power supply with a voltage range compatible with the selected drive. SD750SP drives are available for TT grids. For other grids consult with Power AC Power Electronics.
  • Page 42: Dc Configuration

    Blocking diode in the positive to prevent the current from the grid flowing back the photovoltaic panels o Differential protection in the AC input. Customer is responsible for installing the solar kit. For other options consult Power Electronics. POWER CONNECTION...
  • Page 43: Topology

    The SD750SP drive includes a power and a control board that are responsible for the rectifier bridge trip, inverter bridge trip, soft load management, DC bus voltage control and motor operation. In addition, the control card integrates terminals such as communication ports, digital and analogue inputs and outputs, colour touch-screen display, alphanumeric display, etc.
  • Page 44 SD750SP POWER ELECTRONICS The following schemes illustrate the SD750 internal power structure. • SD750SP frames 1 and 2 power electronics. • SD750SP frames 1 and 2 power electronics. • SD750SP frames 5 to 8 power electronics. POWER CONNECTION...
  • Page 45: Power Connection

    POWER ELECTRONICS SD750SP Power connection CAUTION The following installation recommendations are suitable for TN and TT grids. For IT grids refer the dedicated section. Otherwise, you could cause damage to equipment and personnel. Wiring and periodic inspections should be performed at least 10 minutes after disconnecting the input power.
  • Page 46: Power Connection For 6 Pulses

    SD750SP POWER ELECTRONICS The input terminals L1, L2, L3 and PE (drive power supply), output terminals U, V, W and PE (motor power supply) must be introduced through the metal plates situated in the bottom part of the cabinet. Do not drill or mechanize the vents.
  • Page 47: Wiring

    POWER ELECTRONICS SD750SP Wiring The recommended cable types and lengths between the drive (with factory settings) and the motor are: • Unshielded cable: 300m. Asymmetrical 4-wire cable including PE conductor. It is recommended to use a motor ground cable (PE) with a cross section equal or higher than the supply motor wires cross section (U, V, W).
  • Page 48: Minimum Distances Between Cables

    SD750SP POWER ELECTRONICS CAUTION Line voltage (input supply) must never be connected to U, V and W terminals. Otherwise, the drive may get be damaged. It is absolutely necessary that the installer ensures correct compliance with the laws and regulations in force in the countries or areas where the drive is to be installed.
  • Page 49: Reference Cable Section

    “Power terminals”. The following tables show the reference cable section for each SD750SP frame, based on the internal drive sections. The installer must consider the cable cross-section, cable type, wiring method and ambient conditions to select the appropriate cable to be installed between the drive and the motor.
  • Page 50: Ground Connection

    SD750SP POWER ELECTRONICS I(A) I(A) REFERENCE CABLE REFERENCE CABLE FRAME CODE RATED AT MAXIMUM SECTION FOR GROUND SECTION (mm²) 40ºC AT 50ºC CABLE (mm²) SD75P0460 5BCDE 3x(2x240) 2x240 SD75P0580 5BCDE 3x(3x240) 3x240 SD75P0650 5BCDE 3x(3x240) 3x240 SD75P0720 5BCDE 1080 3x(4x240)
  • Page 51: Emc Installation Requirements

    POWER ELECTRONICS SD750SP EMC installation requirements Introduction The EMC European Directive defines electromagnetic compatibility as the capability of an apparatus, an industrial plant, or a system to work satisfactorily in the electromagnetic environment without at the same time causing electromagnetic disturbances in the apparatus, industrial plant or systems present in the same environment.
  • Page 52: Sd750Sp Compliance

    Environment) by employing optional RFI filters that permit to achieve the C2 category. The SD750SP is not a retail unit. It is neither a plug in device nor a movable device and it is intended to be installed and commissioned by qualified personnel. Therefore, C1 category will not be required.
  • Page 53: Protections

    Protections Short circuit The SD750SP includes from frame 5 to 8 ultra-fast input protection fuses as standard. Frame 5 includes one fuse per phase with a rated current that depends on the drive’s nominal current. From frame 6 upwards, the fuses per phase depend on the number of modules (frame 5) interconnected. The main characteristics of these fuses are shown in the following table.
  • Page 54 SD750SP POWER ELECTRONICS 380-500VAC FRAME CODE FUSES PER PHASE (In) SD75P0210 5 1x350A SD75P0250 5 1x350A SD75P0275 5 1x350A SD75P0330 5 1x350A SD75P0370 5 1x350A SD75P0460 5 1x350A SD75P0580 5 1x350A SD75P0650 5 1x350A SD75P0720 5 1x350A SD75P0840 5 1x350A...
  • Page 55: Ground Fault Protection

    The SD750SP drives are suitable to operate with RCD components Type B, if it is required. The EMC / EMC filters and motor cable lengths increase the earth leakage currents, so the protection range is set according to the installation conditions.
  • Page 56: Power Terminals

    SD750SP POWER ELECTRONICS Power terminals The following figures show the location, in milimeters, of power terminals for each frame of SD750SP. Connections for frame 1 POWER CONNECTION...
  • Page 57: Connections For Frame 2

    POWER ELECTRONICS SD750SP Connections for frame 2 POWER CONNECTION...
  • Page 58: Connections For Frame 3

    SD750SP POWER ELECTRONICS Connections for frame 3 POWER CONNECTION...
  • Page 59: Connections For Frame 4

    POWER ELECTRONICS SD750SP Connections for frame 4 DRILL SCREW DIAMETER (mm) METRIC POWER CONNECTION...
  • Page 60: Connections For Frame 5

    SD750SP POWER ELECTRONICS Connections for frame 5 DRILL SCREW DIAMETER (mm) METRIC POWER CONNECTION...
  • Page 61: Connections For Frame 6

    POWER ELECTRONICS SD750SP Connections for frame 6 DRILL SCREW DIAMETER (mm) METRIC POWER CONNECTION...
  • Page 62: Connections For Frame 7

    SD750SP POWER ELECTRONICS Connections for frame 7 DRILL SCREW DIAMETER (mm) METRIC POWER CONNECTION...
  • Page 63: Connections For Frame 8

    POWER ELECTRONICS SD750SP Connections for frame 8 DRILL SCREW DIAMETER (mm) METRIC NOTICE For the location of connecting plates for frames larger than 8, consult the connection diagrams for frames 6, 7 and 8. POWER CONNECTION...
  • Page 64: Control Connection

    SD750SP POWER ELECTRONICS CONTROL CONNECTION NOTICE Consult drives control wiring layout in section “Minimum distances between wires”. Wiring recommendations Before planning the installation, follow and understand the next recommendations. The parallel cable routing should be avoided and the distance between the control wiring and the power wiring should be maximized.
  • Page 65: Control Board Terminals Description

    POWER ELECTRONICS SD750SP Control board terminals description CAUTION Any changes to the control board wiring or bridges must be performed at least 10 minutes after disconnecting the input power and after checking the bus voltage (DC Link) is discharged below 30VDC.
  • Page 66 SD750SP POWER ELECTRONICS The following figure provides a standard wiring overview of the control terminals. Digital inputs can be configured individually or collectively. Analogue inputs can be configured as comparators. For further information on configurations, please refer to the Software and Programming Manual.
  • Page 67 POWER ELECTRONICS SD750SP SIGNAL DESCRIPTION +24Vdc Power supply 24Vdc control card. GND control board. STO 1[1] Safety input STO 1. TEST 1 Safety common input STO 1. STO 2[1] Safety input STO 2. TEST 2 Safety common input STO 2.
  • Page 68 SD750SP POWER ELECTRONICS It is recommended to use double shielded twisted-pair cable for 24Vdc power supply and safety channels. The shield must be grounded as shown in the examples. When a PNP or NPN input is configured, the rest of digital inputs will have to be the same. This means, PNP and NPN inputs cannot coexist.
  • Page 69 POWER ELECTRONICS SD750SP DI6 (PIN13) PTC sensor input mode. It is possible to connect a PTC sensor in the digital input 6 (DI6) so that the equipment acts from a temperature (resistance) value associated to motor’s temperature and to allow enabling cooling or stop motor running.
  • Page 70 SD750SP POWER ELECTRONICS AI3 (PIN 21/22) PT100 mode. The AI3 allows configuring a PT100 sensor. With this sensor, motor temperature can be measured continuously. Ground cable screening must be connected only in one end. For further information about parameter configuration, consult the Software and Programming Manual.
  • Page 71: Sto - Safe Torque Off

    POWER ELECTRONICS SD750SP STO - Safe Torque Off The STO function is defined as: Power, that can cause rotation, is not applied to the motor. The frequency converter will not provide energy to the motor, which can generate torque. For three-phase asynchronous motor, that means to stop three-phase power supply to the stator.
  • Page 72: Safety Integrity Level Sil3- Ple

    SD750SP POWER ELECTRONICS Safety integrity level SIL3- PLe This configuration provides a highly reliable safety level. When the sensor is activated due to an emergency situation, the STO function interrupts the power supply to the motor. The motor will stop for its own inertia or will prevent an accidentally start.
  • Page 73 POWER ELECTRONICS SD750SP Example 2: SIL3 (PLe) Safety door opening for maintenance tasks with manual restart. This function is used to prevent an unexpected restart when a maintenance task is being carried out in a risk area. In this case, the relay’s safety inputs will be connected to a safety interlock switch placed in the door.
  • Page 74: Connection With Atex Motors

    Power Electronics provides a solution for driving ATEX motors such as “Ex nA”, “Ex d” and “Ex p” under the ATEX zone areas illustrated below. For different motor and ATEX zone combinations, consult Power Electronics.
  • Page 75 SD750SP As shown in the figure above, the SD750SP drive and the ATEX relay must be installed in a safe zone, outside the ATEX zone. This solution is valid for motors with "Ex d" or "Ex p" protection installed in zones 1 and 2, or motors with "EX nA"...
  • Page 76: Modbus Communication

    The purpose of the Serial Communication Bus of the SD750SP drive is to integrate the drive itself into a network compatible with the Modbus communications protocol. This is possible using the physical communications ports RS485, Ethernet or USB port.
  • Page 77: Hardware Technical Specifications

    Note: For the installation of the driver in the Host of the SD750SP USB, it is only necessary to indicate the driver at the time of the installation. The USB device will be detected by the operating systems XP or later versions. In case of operating systems before W98 / Me, execute a search of new Hardware in the device administrator and complete the installation by indicating the drivers when the computer requires them.
  • Page 78: Ethernet Connection

    SD750SP POWER ELECTRONICS Ethernet connection The following diagram shows the common wiring for an Ethernet connection: To configure the connection, it is necessary to define the port and default IP address, among others. Refer to the Software and Programming Manual.
  • Page 79 POWER ELECTRONICS SD750SP It is recommended to connect the jumper “RS485 USER” at the first and the last device of the RS485 communication network, to connect the end of line resistor. To configure the connection, it is necessary to define the port and default IP address, among others.
  • Page 80: Commissioning

    SD750SP POWER ELECTRONICS COMMISSIONING CAUTION Only qualified personnel are allowed to commission the drive. Read carefully and follow the safety instructions of this manual. Failure to do so may result in damage to the equipment and you may suffer an electric shock.
  • Page 81 POWER ELECTRONICS SD750SP Check control cables (analogue and digital signals) and functions (STO). Make sure that the cables are free of voltage. Verify the configuration of the control modes and the settings (external power supply is required). Connect input power supply.
  • Page 82: Use Of The Display

    POWER ELECTRONICS USE OF THE DISPLAY The SD750SP drive has two types of screens, a monochrome graphics and an optional, tactile and color. Both screens provide intuitive data presentation, easy navigation through the control parameters and allow thousands of customized configurations to be stored by the user.
  • Page 83: Maintenance

    SD750SP MAINTENANCE The SD750SP Series drives are industrial electronic products that contain advanced semiconductor elements. For this reason, temperature, humidity, vibrations and worn components can affect performance. To avoid any possible irregularities, it is recommended to carry out periodic inspections.
  • Page 84 SD750SP POWER ELECTRONICS Period Inspection Instrument of Inspection Inspection method Criterion element Measurement Are there dust particles? Temperature: ambient Thermometer, Ambient -30 to +50 (or 40ºC) temperature and Visual check Hygrometer, conditions Humidity: below 95% humidity within Recorder. non-condensing. specification?
  • Page 85 POWER ELECTRONICS SD750SP Period Inspection Instrument of Inspection Inspection method Criterion element Measurement Check reading Check specified Voltage meter / Is the displayed value Measurement instrument with an external values and the control Current meter correct? measurement. values. etc. Audible, sensory and visual Is there any noise or check.
  • Page 86: Accessories

    Kit 3 meters Extender for Display. Communication boards SD750SP family is compatible with the most commonly used communication protocols (Profibus-DP, Profinet, Modbus TCP, Ethernet IP, Field Bus, etc.), thanks to its optional boards. Refer to the specific manual of each board for further information.
  • Page 87: Mechanical Accessories

    3 x SD75PL0720 2000 SD75PL1022 3 x SD75PL0722 2200 >8 SD75PL1120 3 x SD75PL0820 2000 SD75PL1122 3 x SD75PL0822 2200 SD75PL0920 3 x SD75PL0620 2000 Code Explanation: SD75SPPL0520 SD75SP PL05 SD750SP Series Plinth for Frame 5 Total Height 2000 mm ACCESSORIES...
  • Page 89 24H TECHNICAL ASSISTANCE 365 DAYS A YEAR FIND YOUR NEAREST DELEGATION POWER-ELECTRONICS.COM/CONTACT/...

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