1. Manuals
  2. Brands
  3. Sinexcel Manuals
  4. Switch
  5. PWD-300M
  6. User manual

Sinexcel PWD-300M User Manual

Power switching device
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
PWD-300M
User Manual
Ver 1.00

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the PWD-300M and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Sinexcel PWD-300M

  • Page 1 PWD-300M User Manual Ver 1.00...
  • Page 3 BOM code Applicable to PWD-300M Shenzhen Sinexcel Electric Co., LTD provides a full range of technical support for customers. Users can contact the nearest office or customer service center of Shenzhen Sinexcel Electric Co., LTD Shenzhen Sinexcel Electric Co., LTD .All rights reserved. Contents are subject to change without notice.

  • Page 5: Table Of Contents

    Table of Contents Table of Contents ................................I Chapter 1Overview ................................3 1.1 Model Definitions ..............................3 1.2 Explanation of symbols ............................3 1.3 Safety Instructions ..............................4 1.3.1 Safety instructions in mechanical installation ....................4 1.3.2 Safety instructions in electrical connection ....................5 1.3.3 Safety instructions for switching boxes in operation ...................
  • Page 6 5.1.1 Ethernet port ............................. 33 5.1.2 RS485 serial port ............................33 5.2 PWD-300M and PCScascade networking ......................33 5.3 PWD-300M is connected to the same network with multiple PCS ..............34 Chapter 6 Maintenance ..............................35 6.1 Maintenance ............................... 35 6.2 Power circuit connection maintenance ........................

  • Page 7: Chapter 1Overview

    This section describes the product model definitions covered in the manual as shown in Figure 1-1. Figure 1-1 Model Number Definition Description. PWD-300M indicates power switching equipment with a module rated capacity of 300 kVA also referred to as PWD-300M power switching equipment. 1.2 Explanation of symbols The following is a list of the identifiers applied in this manual, please read carefully and understand the meaning represented by each symbol.

  • Page 8: Safety Instructions

    4Chapter 2Introduction to PCS-AC, STS Modules 1.3 Safety Instructions This manual covers the installation and use of the Power Switching Device PWD-300M from Sinexcel Electric. ⚫ The PWD-300M power switching equipment must be commissioned and maintained by an engineer appointed by the manufacturer or its agent. Otherwise, it may endanger personal safety and cause equipment failure, and the resulting damage to the equipment is not covered by the warranty.

  • Page 9: Safety Instructions In Electrical Connection

    ⚫ Always make sure that the converter is free of any electrical connections before installing power switching equipment! ⚫ Poor ventilation of the installation environment will affect the performance of the system! CAUTION ⚫ Good ventilation needs to be ensured during the operation of the equipment. It is important to keep the unit upright and the air ducts smooth, with no strong air currents blocking air flow near the air outlets to ensure adequate cooling inside the unit.

  • Page 10: Repair And Replacement Safety Instructions

    6Chapter 2Introduction to PCS-AC, STS Modules personnel. ⚫ Please note the safety precautions listed in the user manual and other documents. 1.3.4 Repair and Replacement Safety Instructions Improper maintenance of the equipment may result in injury or damage to the equipment. Before performing any operation, the user must strictly follow the following steps.

  • Page 11: Caution

    1.4.2 Scope of equipment use The PWD-300M power switching equipmentis for commercial/industrial use only and may not be used as an energy saving device associated with any life support equipment. 1.4.3 Chassis identification EnclosureMarkings contain important information for safe operation of the enclosure and must not be torn or damaged.

  • Page 12: Chapter 2Product Introduction

    480V 3p4W L1 L2 L3 N L1 L2 L3 N PWS2-30P-EX Grid Load （N=5） Figure 2-1 Intelligent switching topology diagram 2.2 Technical parameters Table 2-1 shows the detailed technical parameters of PWD-300M power switching equipment. Table 2-1 technical parameters table...
  • Page 13 Chapter 3 SystemIntroduction9 Equipment name Indicator item Parameter Remarks PWD-300M Net-side operating parameters AC voltage range AC：208V/400V/480V AC rated current 433A AC rated power 150kVA (AC208V) 300kVA (AC400V) 360kVA（AC480V) Rated frequency 50Hz/60Hz Overcurrent Software protection + external SCPD device protection...

  • Page 14: Dimension

    IP20 2.3 Dimension PWD-300M power switching equipment outline dimensions as shown in Figure 2-1, chassis length 645mm, width 440mm, height 300mm. The front panel consists of PCS and Load and the module communication terminal marked with 1, and the external communication interface marked with 2. From left to right, it is L1, L2, L3 and N of PCS and Load access terminals respectively.
  • Page 15 Chapter 3 SystemIntroduction11 Grid-N Grid-L3 Grid-L2 Grid-L1 Figure 2-2 PWD-300 network side panel Pcs-L1 Pcs-L2 Pcs-L3 Pcs-N Load-L1 Load-L2 Load-L3 Load-N Figure 2-3 PWD-300M load, PCS side panel...

  • Page 16: Basic Function Description

    2.4 Basic Function Description The functions of the PWD-300M power switching equipment can be basically summarized as follows. On-grid active cut off-grid: When PCS module PWS2-(29M,30M)-EXwith PWD-300M power switching equipment systemis working in on-grid state, if the user takes the initiative to set off-grid, the system switches off-grid operation, at this time the load is carried by PCS alone.
  • Page 17 Analog sampling and zero Calibration of sampling value zero point and deviation. calibration Table 2-4 PWD-300M protection function description Fault name Fault criterion Phenomenon Grid overvoltage AC overvoltage is judged in...
  • Page 18 Grid dropout Abnormal grid, serious voltage Reported grid dropout, switch to off-grid operation distortion Islanding protection When the PCS sets islanding The islanding protection is reported, and the passive protection enable, islanding is operation is cut to off-grid operation. detected in grid-connected mode, and the islanding status flag is sent to PWD300 to realize islanding protection.
  • Page 19 Chapter 3 SystemIntroduction15 completed. Fan failure The PWD300 fan does not run Reported fan failure shutdown, automatically recover after during operation, or the fan is the fault is cleared blocked during operation Auxiliary source fault A 15V auxiliary source fault is Reported auxiliary source fault 1 shutdown, the fault is detected cleared and the next power recovery...
  • Page 20 feedback down is resumed contactor close AC contactor 2 open AC contactor 2 open-circuit fault and shutdown, after the command, close feedback circuit fault cause of the fault is eliminated, power down to resume received contactor open AC contactor 2 AC contactor 2 short-circuit fault and shutdown, after the command, received...

  • Page 21: Chapter 3Equipment Installation

    Checking whether the nameplate data of the product matches with the ordering contract, such as the product model, rated capacity, voltage level, etc.. ⚫ Checking whether the factory documents and accessories are complete. ⚫ Whether the chassis is deformed, off-painted and loose. 3.2.2 Packing list PWD-300M power switching equipmentSee Table 3-1 for the packing list.

  • Page 22: Installation Requirements

    18Chapter 4 Equipment Installation Table 3-1 PWD-300M power switching equipment packing list Seri Quan Name Remarks tity number User manual 1 copy External communication terminal 2 pcs WIFI signal enhancement connector Certificate of Conformity 1 copy 3.3 Installation requirements 3.3.1 Environmental requirements ⚫...

  • Page 23: Equipment Installation

    In order to ensure the safety and reliability of PWD-300M power switching equipment, a current limiting device and isolating switch should be installed in the input side of PWD-300M power switching equipment at the grid port, and it is recommended to equip a three-phase circuit breaker device with a current specification of more than 1.25 times the rated current to ensure the safe disconnection of power switching equipment from the grid.

  • Page 24: System Grounding

    3.5.3 WireCable connection PWD-300M power switching equipmentoutput is three-phase four-wire, currently only support ourPWS2-(29M,30M)-EX converterto achieve off-grid function, if you need to match other companies' converters, please consult our service personnel; and only support one way load. ACCableis connected to "L1", "L2", "L3" and "N" of the AC terminal block of GRID, LOAD and PCS, respectively.
  • Page 25 Chapter 4 Equipment Installation21 switching equipment, including multiple 485 communication, multiple input and output dry contacts, two network ports, and COM port with parallel communication. WIFI LAN1 LAN2 COM1 1 2 3 4 FAULT POWER Figure 3-2 Schematic diagram of the signal interface area Table 3-1 Signal interface area description 28Pin left...

  • Page 26: Dry Node Connection

    To enable the EPO function, the EPO output signal needs to be shorted to maintain normal operation of the PWD-300M power switching device. If disconnected, the device will trigger an EPO alarm to shut down and go off-grid. The state of the input and output dry contacts can be customized according to the customer, the following is the default...

  • Page 27: Check After Installation

    Chapter 4 Equipment Installation23 ⚫ NO4 and COM_4 interface is only for professional debugging or installation use. 3.6 Check after installation Power switching equipmentPost-installation inspection is required after installation is completed: ⚫ Reasonable position of equipment placement and installation to meet safety distance requirements. ⚫...

  • Page 28: Chapter 4Commissioning Operation

    Operating status Description When the external wiring of PWD-300M power switching equipment is completed, and the wiring situation has been fully checked to confirm that it is correct, close the external input/output AC circuit breaker to confirm the operating status of PWD-100 intelligent control box, PWD-300M power switching equipment working state description is shown in Table 4-1, common fault handling methods are shown in Table 4-2.
  • Page 29 Fan failure 2. Exclude the fan itself fault, change the fan can continue to use. A 15V auxiliary source fault is detected 1. When this fault occurs, contact Sinexcel R & D Auxiliary source staff for guidance 1 fault Auxiliary source PCS24V auxiliary source fault is detected 1.

  • Page 30: Control Method

    26Chapter 5 Commissioning distribution diagram. 2. Verify that the terminals of the control contactor are not loose. 3. There is a problem with the contactor itself. There is a problem with the contactor drive and 1. Confirmation of whether the contactor drive and status feedback feedback cables are connected in accordance PE contactor...
  • Page 31 Chapter 5 Commissioning27 Figure 4-2 IP login and operation interface...

  • Page 32: Backstage Display Description

    28Chapter 5 Commissioning 4.3 Backstage display description 4.3.1 Event logging interface display Event logging interface: including the current alarm information display, real-time display of alarm information, monitoring the operation status of the module; historical alarm information display, all alarms will be recorded in the historical alarms after they disappear, so as to maintain the fault query;...

  • Page 33: Switching On And Off

    1. This power-on procedure is applicable to the machine grid connection operation when the PWD-300M power switching equipment is in the complete power-off state. The operation steps are as follows. Close the external grid AC circuit breaker, PWD-300M power switching equipment grid side port power on,At this...
  • Page 34 If it cannot run in grid-connected mode, the corresponding alarm message will be displayed. 2. In the normal off-grid process of the PCS30k with PWD-300M power switching equipment system, if grid connection is required, the following steps can be followed.

  • Page 35: Off-Grid Steps

    PCS30k DC side is only connected to the battery, if the PCS30k has the power-on condition, the power-on command is issued to the PCS30k. After the PCS30k is fully operational, the PWD-300M power switching deviceis powered on the PCS side port, at which time you will see the power indicator on the panel being lit.

  • Page 36: Shutdown Procedure

    The operation procedure is similar to the parallel operation procedure. At this time, the monitoring and control function of the PWD-300M module is no longer in effect, and the implementation of the parallel and off-grid control mode needs to be...

  • Page 37: Chapter 5 Communication Mode

    COM2 at the beginning or end of the network to realize grid monitoring, fast response, fast dispatch or protection functions, etc.,PWD-300M power switching device's dip code switch needs to set 1 and 2 to ON state, while 3 is set to OFF state, this...

  • Page 38: Pwd-300M Is Connected To The Same Network With Multiple Pcs

    ⚫ The number of converters in a cluster network should not exceed 10. 5.3 PWD-300M is connected to the same network with multiple PCS ThePWD-300M power switching devicecan be connected to a network with multiple PCS and the background monitoring...

  • Page 39: Chapter 6 Maintenance

    Chapter 8 Maintenance and Repair35 Chapter 6 Maintenance 6.1 Maintenance Due to the influence of environment, humidity, dust and vibration, the internal connection devices of the power switching equipment will be aging and wear, etc., which will lead to potential failure. Therefore, it is necessary to implement regular daily maintenance of power switching equipment to ensure its normal operation and service life.

  • Page 40: Cleaning And Sanitation

    36Chapter 8 Maintenance and servicing ⚫ Check whether the power switching equipment panel has accumulated a lot of dust. 6.4 Cleaning and sanitation Before the equipment is put into operation, the dust and debris at the copper row, terminal and mesh should be cleaned up.

  • Page 41: Appendix

    Appendix Appendix I: Quality assurance and after-sales service 1）Quality assurance Ltd. (hereinafter referred to as the Company) will repair or replace the product with a new one free of charge if the product fails during the warranty period. 2）Disposal of defective products After the replacement of non-conforming products handled by the company, the user should properly store the faulty products;...

  • Page 43: Installation Record

    Installation record ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

Table of Contents