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KaiDeng Wireless R3 Series - User Manual

KaiDeng Wireless R3 Series
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WVC-295
Micro Inverter
Communication mode 433MHz/WiFi
Loss of power at night
Total current harmonics
Appearance and technical features
Temperature range
SizeL×W×H
Net amount
Waterproof grade
Heat dissipation mode
Communication mode
Power transmission mode
<0.5W
<5%
-40°C to +65°C
213mm×167mm×32mm
0.69kg
Ip67 NEMA3R
Self-cooling
433MHz/WiFi
Reverse transmission,Load priority
<0.5W
<5%
Maximum input power
Output voltage mode
PV Open circuit voltage
Operating voltage range
Starting voltage range
short-circuit current
Maximum working current
Output parameters
Output peak power
Rated output power
Output current
AC voltage range
AC frequency range
Power factor
Number of branch connections.
Output efficiency
Static MPPT efficiency
Max output efficiency
300Watt
120/230V Auto switch
30-60VOC
22-60V
22-60V
13.6A
11.5A
@120V
300Watt
295Watt
2.45A
80-160VAC
48-51Hz/58-61Hz
>95%
15PCSSingle
@120V
99.5%
95%
@230V
300Watt
295Watt
1.28A
180-280VAC
>95%
30PCSSingle
@230V
99.5%
95%
48-51Hz/58-61Hz
Size 245×202×60mm
Specifications
weight
EachPacking
1G
Box16PCS
430×400×270mm
15.5G
Packing weight
model WVC-295
EN50549-1EN 50549-2NBR 16149:2013UL1741
IEC/EN 62109-1 IEC/EN 62109-2 IEC 62116IEEE 1547
Electromagnetic Detection
Power Grid standard
Power grid detection
EN61000-6-1:2007 EN6100-6-3:2007+A1:2011+AC:2012
Certificate
CEETLINMETROPatented technology
WVC series communication type intelligence
Micro grid-connected inverter
WiFi Modem
433MHz
WiFi
KDM Cloud server
APP Contorl
Meter
Switch
Power Grid
Micro inverter
Computer
Photovoltaic module
Note: You can purchase a professionally customized AC bus with a T-type connector.
Use this AC bus as the AC bus for each branch. Connect it hand in hand to form
a modular micro-inverter branch wiring system.
Description of the connector and cable core of the micro inverter
System diagram
LED indicator function of micro inverter
Micro inverter Use Manual
Micro inverter Use Manual
Micro inverter Use Manual
Micro inverter Use Manual
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Summary

WVC Series Communication and Features

Maximum Power Point Tracking

Highlights the inverter's capability to optimize energy harvest by tracking the maximum power point.

Reverse Power Transmission

Details the inverter's functionality regarding the direction of power flow.

I;O Fully Isolated

Indicates the electrical isolation between input and output for enhanced safety.

No Installation, No Maintenance

Emphasizes the ease of use with a design requiring no installation or maintenance.

Adaptive Voltage;Frequency

Describes the inverter's ability to adjust to varying grid voltage and frequency.

Internal High Precision Meter

Notes the presence of an integrated meter for accurate measurements.

App Monitoring System

Refers to the availability of a system for monitoring via a mobile application.

Forward Full-Bridge Topology

Specifies the inverter's internal power conversion architecture.

Appearance and Technical Specifications

Technical Specifications Overview

Provides key electrical and performance parameters for the WVC-295 model.

Appearance and Physical Features

Details the physical dimensions, weight, and environmental ratings.

Micro Inverter Connector and Cable Description

Connector Identification

Identifies the live, neutral, and ground wire connectors on the micro inverter.

Wire End Connector Specifications

Specifies the wire gauge and color coding for the connector terminals.

LED Indicator Functionality

LED Indicator Status Meanings

Explains the meaning of different LED states (on, flashing) for operational status.

Normal Working Indicator Process

Describes the typical sequence of LED indicators during startup and operation.

Micro Inverter Appearance and Components

Inverter Component Identification

Diagram showing key parts like input, output, indicator, and antenna.

Accessories Overview

Lists essential accessories needed for installation, such as plugs and cables.

Installation Steps and Preparation

Preparation Before Installation

Outlines essential prerequisites and safety considerations before installing the inverter.

Inverter Installation Procedure

Step-by-step guide for physically mounting and connecting the micro inverter.

Branch Connection Guidelines

Specifies the maximum number of inverters per branch based on model.

Wiring Diagram

Illustrates the triple-phase wiring connections for the micro inverter system.

KDM Monitoring System Setup

Distribution Network Preparation

Instructions for configuring the KDM monitoring system using a network distribution tool.

Monitoring System Distribution Network Instructions

Details on connecting the collector to the network using the MxEasyLink tool.

Android Client Configuration

Guide for setting up the MxEasyLink client on Android for network configuration.

IOS Client Configuration

Guide for setting up the MxEasyLink client on iOS for network configuration.

Create KDM Account

Steps for registering a new account on the KDM monitoring system.

Add Station to Monitoring System

Procedure for adding a new station, including filling in details and collector ID.

Add Inverter to Station

Instructions on how to add an inverter to a station within the monitoring system.

Overview

The WVC-295 Micro Inverter is a smart, grid-connected device designed for converting DC power from photovoltaic modules into AC power for use in homes or fed back into the grid. It is part of the Wireless Series-R3, emphasizing its wireless communication capabilities for monitoring and control.

Function Description:

The primary function of the WVC-295 is to convert direct current (DC) electricity generated by solar panels into alternating current (AC) electricity suitable for the utility grid. It incorporates Maximum Power Point Tracking (MPPT) technology to optimize power harvesting from the solar panels under varying conditions. The inverter supports reverse power transmission, allowing excess generated electricity to be fed back into the grid. It features an adaptive voltage/frequency system to ensure compatibility with grid conditions and includes an internal high-precision meter for accurate power measurement. An App monitoring system allows users to track performance and status remotely. The device utilizes a forward full-bridge topology for efficient power conversion.

Important Technical Specifications:

Model: WVC-295 Maximum Input Power: 300 Watt Output Voltage Mode: 120/230V Auto switch PV Open Circuit Voltage: 30-60VDC Operating Voltage Range: 22-60V Starting Voltage Range: 22-60V Short-Circuit Current: 13.6A Maximum Working Current: 11.5A

Output Parameters (@120V):

  • Output Peak Power: 300 Watt
  • Rated Output Power: 295 Watt
  • Output Current: 2.45A
  • AC Voltage Range: 80-160VAC
  • AC Frequency Range: 48-51Hz/58-61Hz
  • Power Factor: >95%
  • Number of Branch Connections: 15PCS (Single)

Output Parameters (@230V):

  • Output Peak Power: 300 Watt
  • Rated Output Power: 295 Watt
  • Output Current: 1.28A
  • AC Voltage Range: 180-280VAC
  • AC Frequency Range: 48-51Hz/58-61Hz
  • Power Factor: >95%
  • Number of Branch Connections: 30PCS (Single)

Output Efficiency:

  • Static MPPT Efficiency: 99.5%
  • Max Output Efficiency: 95%
  • Loss of Power at Night: <0.5W
  • Total Current Harmonics: <5%

Appearance and Technical Features:

  • Temperature Range: -40°C to +65°C
  • Size (LxWxH): 213mm×167mm×32mm
  • Net Amount: 0.69kg
  • Waterproof Grade: IP67 NEMA3R
  • Heat Dissipation Mode: Self-cooling
  • Communication Mode: 433MHz/WiFi
  • Power Transmission Mode: Reverse transmission, Load priority
  • Electromagnetic Detection: EN61000-6-1:2007, EN6100-6-3:2007+A1:2011+AC:2012
  • Power Grid Standard: EN50549-1, EN 50549-2, NBR 16149:2013, UL1741
  • Power Grid Detection: IEC/EN 62109-1, IEC/EN 62109-2, IEC 62116, IEEE 1547
  • Certificate: CE, ETL, INMETRO, Patented technology

Packing Weight:

  • Each (Packing): 1KG (245×202×60mm)
  • Box (16PCS): 15.5 KG (430×400×270mm)

Usage Features:

The WVC-295 is designed for ease of installation and maintenance. It is a "no installation, no maintenance" device, implying a plug-and-play setup with minimal ongoing user intervention. The inverter is fully isolated (I/O), enhancing safety.

Installation:

The installation process involves connecting the micro-inverter to the PV module and then to the AC bus cable. A specialized AC bus with a T-type connector is recommended for modular wiring systems, allowing multiple inverters to be connected in series. The device is designed for outdoor use with an IP67 NEMA3R waterproof rating.

Communication and Monitoring:

The inverter communicates wirelessly via 433MHz/WiFi. A KDM (Kaden Energy Monitoring) system allows users to monitor the inverter's operational status and power generation data through a dedicated mobile application (Android and iOS). The monitoring system provides real-time data, historical trends, and fault alerts.

LED Indicator Function:

The micro-inverter features an LED indicator to display its operational status:

  • Red light on: Micro-inverter is powered on and ready to work.
  • Red light flashes: Micro-inverter is fully prepared and in delayed startup state.
  • Flashing green: MPPT (Maximum Power Point Tracking) search status.
  • Green light on: MPPT (Maximum Power Point Tracking) locked state.
  • Green light turns red: Indicates a fault or protection state, such as island protection, frequency protection, AC over/under-voltage, DC over/under-voltage, or software shutdown.

Normal Working Indicator Flashing Process:

Upon connecting the micro-inverter to both AC and DC terminals and powering it on, the red light will be on for 3 seconds, then flash for 30 seconds. Following this, the green light will flash quickly during MPPT search, and finally, the green light will remain on once MPPT is locked.

Maintenance Features:

The self-cooling design eliminates the need for active cooling components like fans, reducing potential points of failure and maintenance requirements. The IP67 NEMA3R rating ensures protection against dust and water, contributing to its durability and low maintenance profile in various environmental conditions. The remote monitoring system allows for proactive identification of issues, reducing the need for on-site inspections. The device is designed to be robust and reliable, adhering to various international standards for electromagnetic compatibility and grid interaction.

KaiDeng Wireless R3 Series Specifications

General IconGeneral
BrandKaiDeng
ModelWireless R3 Series
CategoryInverter
LanguageEnglish

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