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  • Solar-Reverse-Panel

Solar-Reverse-Panel

Some commercial Solar PV installations are for self-consumption only and grid export is not permitted. While this may be fine on a working day, for a week-end or a holiday the PV generation may exceed the demand. The Grid Protection Relay mandated by the Network Provider would trip the Solar Generator under such a situation. This causes inconvenience and would result in loss of production. OZTRON Reverse Power Controller (RPC) actively modulates the solar inverters even under rapidly fluctuating loads and varying solar output to ensure that the solar power is always maintained just below the consumption level and tripping is avoided.

The Zero Export Devices are available in single & three phase models suiting to various types of inverters and manufactures. The Zero Export Device has a power analyser, data logger and controller all assembled together which comes as a single component solution. At any time, the ZERO EXPORTprevents the solar system from feeding in to the grid and DG SET.

It may require by Solar plant owner or operator to limit the solar power output for both GRID and DG. ZED can control both, you don't need separate ZED to control both. ZED can limit, or totally eliminatethe export power for both gird and DG at same time. Also, it can show the power consumption by all three power sources (Solar + DG + GRID).Due to high power cuts from Grid and when Solar Plant is connected with DG & Grid, there is every possibility of reverse power feed to DG & Grid. If a Solar Power Plant is connected/working with DG &Grid and the power consumption of connected Load is lower than the power generated by solar powerplant, then the excess of power generated by solar power plant will reverse back to DG & or Grid and this will lead to permanent damage of DG or Grid lines

Series: String Shield
Dispatches: Between 10-15 Days
Price: INR 25000/-* Onwards
RPR-Box
  • Introduction
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Introduction

The Reverse power protection panel is located close to the Solar AC distribution board. It can operate in stand-alone mode or interface with the Grid Protection Relay for added features and simpler installation. The grid voltage provides the power supply for the relay energising circuit and phase reference for the phase sensitive detector. Current reference to the detector is taken from generator load current The output from the detector is compared with a reference which is set by the trip set point potentiometer. When the set point value is exceeded an electronic trip operator to energise the relay circuit though an adjustable time delay.

Features

  • Smooth control
  • Compatible with popular models of inverters
  • No moving parts or relays u Minimum wiring
  • Quick response, in milliseconds, not minutes
  • Accurate control u No start-stop operation for inverters resulting in loss of production
  • No restriction on sizes of inverters
  • Self-resetting
  • Adjustable set point
  • Adjustable time delay
  • LED trip indication
  • 2 pole relay contacts
  • Internal Differential (factory settable only)

Technical Specifications

Model 1Nx1R 1Nx2R 1Nx3R 1Nx4R 1Nx5R
Voltage 415 VAC
Frequency 50 Hz
Configuration 1 Phase,P+N
Insulation Voltage 2.5 VAC

Input

No of  inputs 1
Current Rating 6-63 A
Feeder Type Terminals Terminals RCCB @ 30mA Terminals RCCB @ 30mA
Cable Entry  Bottom

Output

No of  Outputs 1
Current Rating 6-63 A
Short circuit withstood 10 KA
Control Type Contactor
Feeder Type MCB,C-Curve
Cable Entry  Bottom

Protection

SPD status Yes
Over Load Yes
Over Voltage Yes
Earth Fault/Leakage -
Reverse Power Nil Nil Yes Nil Yes

User Interface

LED Indication Lamps   Nil Yes  Yes Yes Yes
Short Circuit Yes
Display  - Voltage,Current,Frequency,Power Factor,Power & Energy
Accuracy Class 1.0

General

Type Wall Mounting
Application Indoor*/Outdoor
Protection Grade Min IP43 for Indoor & IP65 are better for Outdoor
Ambinent Temperature 0 to 45`C
Humidity Upto 80% RH,Non Condensing
Altitude < 1000 mtrs.Above Sea level(Without Derating)
Access Front
Cooling Natural Air Cooled
Colour RAL 7305

Applications

  • Solar PV Power Plants

Documents

Catalogue Format Size Date
 Solar ACDB with single phase Zero Export Panel PDF 1.8 MB 21Jun2019
Catalogue Format Size Date
 Solar ACDB with three phase Zero Export Panel PDF 1.8 MB 21Jun2019
User Guide
 Warranty Terms & Conditions  PDF  326.2kB  21Jun2019

FAQ

1.Can solar reverse turn your meter backwards?

This means that whenever the solar panels are exporting to the grid - because the panels are generating electricity that's not being used in the home - the mains electricity meter starts turning backwards. The result is lower electricity bills for the householder, as the reading will be less than expected.

2.How do I monitor my solar panel output?

Most solar companies provide some kind of monitor for the systems they install, which may be a physical monitor at your home or an app you can access online. If your provider doesn't offer a monitoring service, you can track solar energy production through the inverter itself.

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