Mppt solar charger pdf. 0V Numéro de brevet：ZL201120117471.

Mppt solar charger pdf 9 plate traction 30. 30/steps2/Basic-on-MPPT-charge-controller/ accessed 14/07/2015 Air Circuit Breaker and Wires Requirement Models Copper wires Air circuit breakers MPPT-60A 6mm² x2PCS 100A Page 10 Remnder It’s better to connect two wires to two PV+ and another two wires to two PV-. Manual del cargador solar MPPT SmartSolar MPPT 150/70 up to 250/100 VE. WARNING: Do NOT connect any inverters or battery charger into the load terminal of the charge controller. 3 SCHEMATIC DIAGRAM OF MPPT BASED SOLAR CHARGE CONTROLLER Figure 5. If two MPPT charge controllers are used to charge the same battery bank, connect the parallel charge communication cable between the two MPPT charge controllers via RS485 port. Sortie de charge consommatrice. For BAT+ and BAT-, it’s same way to connect wires. This MPPT solar controller is an advanced 120A maximum power point tracking solar battery charger. 1 MATLAB COMMAND FOR MPPT CONTROL SIMULATION: function D = PandO(Param, Enabled, V, I) % MPPT controller based on the Perturb & Observe algorithm. WARNING: Once equalization is active in the battery charging, it will remain in this MPPT is a fascinating technology. This document provides instructions for MPPT solar charge controllers. POW-M80 Series controller pdf manual download. This paper aims to provide a study and a realizatio n of a reliable sta ndalone solar battery EPEVER 40A Solar Charge Controller MPPT Solar Panel Charge Controller 12V / 24V Auto Working Max PV 100V Solar Charge Battery Regulator with LCD Display for Gel Flooded Sealed Lithium Batteries 4. Keywords-solar panel, inverter, solar charge controller, battery, MPPT, motor, Sensor, Solar tracking system I. So to emulate the energy, solar cells convert sunlight into electricity which depends on solar insolation level and temperature that lead to the variation of the maximum power point (MPP). Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging Victron Energy SmartSolar MPPT Solar Charge Controller (Bluetooth) - Charge Controllers for Solar Panels - 75V, 15 amp, 12/24-Volt 4. Ÿ Battery Over Voltage Protection, Battery Discharge Voltage In the charger system or battery charging on solar panels, an SCC solar charger controller is needed as the charger media. PV 150V Solar Panel Charge Regulator Tracer BN Series Negative Ground Solar Controller 4. ENGLISH. MPPT solar charger manual BlueSolar MPPT 100/30 & 100/50 Rev 07 - 08/2024 This manual is also available in HTML5. It comes with a number of outstanding features, such as: Thank you for selecting the SMK MPPT solar charge controller. The SMK MPPT series controller is an advanced maximum power point tracking solar battery charger. Greatly improve the utilization of solar panel. PV yield lower Dec 1, 2020 · Download full-text PDF Read full-text. MPPT SOLAR CHARGE CONTROLLER Circuit breaker Circuit breaker DC Load Battery 1. 2. Factory reset password 2. 0V Numéro de brevet：ZL201120117471. Solar Panel : Solar panels collect clean renewable energy in the form of sunlight and convert that light into electricity which can then be used to provide power for Be sure that solar connection is made with correct polarity. wiring requirements 7. It includes information on safety precautions, features, installation steps, configuration and setting options, operation, and monitoring of the devices. com FREE DELIVERY possible on eligible purchases Jun 1, 2021 · These algorithms use two inputs; change of power and change of voltage, produced by the solar cell. 1 Brief Introduction 2. com : BougeRV MPPT Solar Charge Controller 40A, with Remote APP Control, Backlit LCD Display, Temperature Sensor, 12V/24V/36V/48V Battery Regulator, for LiFePO4, SLD, AGM, FLD, Gel Battery, Negative Ground : Patio, Lawn & Garden Page 18 25. 47 MB) * Si el sistema solar necesita conectar el inversor, conecte el inversor directamente a la batería, en lugar del terminal de carga del controlador. asically, it is a charging control technique that determines the point at which a solar panel’s maximum voltage and current (thus, power) can be used to charge your battery. 3 EPEVER 40A Solar Charge Controller MPPT Solar Panel Charge Controller 12V / 24V Auto Working Max PV 100V Solar Charge Battery Regulator with LCD Display for Gel Flooded Sealed Lithium Batteries 4. Manuel du chargeur solaire MPPT BlueSolar MPPT 100/30 & 100/50 Rev 04 - 02/2023 Ce manuel est également disponible au format HTML5. The MPPT controller is an advanced maximum power point tracking solar battery charger. Both technologies are widely used in the off-grid solar industry and are both great options for efficiently charging your battery. Battery type setting 4. In the solar charger controller there are two types between MPPT (Maximum Power Point Tracker) and PWM (Pulse Width Modulation). DEUTSCH. The usage information in this manual is intended for the system owner/operator. 5V 28. Solar Charge Controllers with load output MPPT 75/10, 75/15, 100/15, 100/20-48 V 8. PV yield lower MPPT solar charger manual SmartSolar MPPT 150/60 up to 250/70 Rev 06 - 01/2024 This manual is also available in HTML5. The calculator also gave us links to 2 choices for MPPT charge controllers that meet these criteria. Advanced MPPT technology & ultra-fast tracking speed guarantee the tracking efficiency of up to 99. MPPT solar charger manual SmartSolar MPPT 150/60 up to 250/70 Rev 06 - 01/2024 This manual is also available in HTML5. safety information 2. It is usually required to combine boost charge, floating charge, equalizing charge and other charging methods to complete the battery charging process. Table of Contents. SOLAR PANEL MPPT The main problem solved by the MPPT algorithms is to automatically find the panel operating voltage that allows maximum power output. Ruler and pencil 5. 2 27. 6 33. According to our test, the MPPT controller can raise 20%-30% efficiency compared to the PWM controller. In a larger system, Jan 28, 2022 · The MPPT based charge controllers are best suitable for wind and solar systems as the y track the maximum power in ca se of power fluctuations at the input side due to environmental condition maximum energy available from the PV array. Direct No No S 75-10/15 MPPT solar charger manual SmartSolar MPPT 150/35 & 150/45 04/2022 ENGLISH Techno Sun - MPPT Solar Charge Controller Keywords: controller, MPPT, solar, automatic, 60A Created Date: 11/29/2012 4:55:48 PM Amazon. The controller features a smart tracking algorithm that finds and maintains operation at the solar array peak power point, maximizing energy harvest. Tabla de Oct 22, 2017 · Buy Victron Energy SmartSolar MPPT Solar Charge Controller (Bluetooth) - Charge Controllers for Solar Panels - 100V, 20 amp, 48-Volt: Energy Controllers - Amazon. Example 2: 400W-24V solar array with a 12V battery bank BlueSolar Charge Controller Load output Battery voltage Optional display Bluetooth Com. Tighten the connector screws with 5 in-lb (0. Page 6: Operation Jun 12, 2018 · EPEVER 40A MPPT Solar Charge Controller 12V/24V Auto Working Max. MPPT (Maximum Power Point Tracking) is an advanced charging technology that enables the solar battery to output more electrical energy by adjusting the operating state of the electrical module. Table of Contents 1. Its intelligent LCD and upper PC display, mostly convenient for customers checking, records and parameter setting. traditional solar charge controller (PWM Charging Mode), it can obviously diagnose that the MPPT mode can improve the usage of the solar energy resource. NEVER connect solar panels to charge controller until the battery is connected. The design uses a buck converter to page 1 user manual (20 amp lithium compatible) mppt solar charge controller / regulator sku: akpsr-mppt_01 page 2: table of contents contents 1. HTML5 It features an efficient MPPT control algorithm to track the maximum power point of the PV array. 1 13. 0 out of 5 stars 115 Full automatic electronic protect function for increased charge controller availability. Power test run 4 13 solar panel battery TV fan air conditioner solar enerty storage inveter A MPPT MPPT: Maximum Power Point Tracking PWM and MPPT are the two different types of charging methods solar charge controllers can use to charge batteries from a solar array/panel. For example, a system may have 36 Amps of solar current flowing into the controller and 44 Amps of charge current flowing out to the battery. Sep 23, 2023 · MPPT charge controllers – also called Maximum Power Point Trackers – are efficient DC-DC converters used in solar systems to connect solar panels to batteries and DC loads. An overview of the product, its characteristics, appearance, wiring schematic, and charging technology. SmartSolar MPPT 100/30 & 100/50. The solar charge Solar Charger Controller. SPT-10A controller pdf manual download. Temperature difference between solar charger and battery; 8. Applying intelligent MPPT algorithm, it allows SCC-MPPT solar charge controller to extract maximum power from solar arrays by finding the maximum power point of the array. User Manual of POW-KEEPER MPPT Solar Charge Controller (1. The controller features a smart tracking algorithm that finds and maintains operation at the solar array peak power point, maximizing energy converting efficiency. The decision to use PWM or MPPT Oct 16, 2024 · The MPPT calculator tells us that our solar charge controller needs to have a maximum voltage input of more than 53V, and needs to be able to put out 22. Can 04/2022 ESPAÑOL 8. 6 out of 5 stars 4,113 30 offers from $6207 $ 62 07 The FLEXmax family of charge controllers is the industry leading innovation in Maximum Power Point Tracking (MPPT) charge controllers from OutBack Power. 3. 5 amps. Please read this manual carefully before you use this product. ESPAÑOL. Disconnect solar breaker/disconnect before wiring to the controller. Design of a MPPT Solar Charge Controller in Matlab Download the user manual in PDF version of PowMr inverter, solar charge controller and wifi software. 6. 5% Maximum DC/DC transfer efficiency is as high as 98. The Charge Controller features include: • 60 amps maximum continuous output current up to 55°C without thermal derating for the PC16‐6015F Jun 15, 2021 · The main aim of this research is to design and construct a 30amp solar charge controller using Maximum Power Point Tracking (MPPT) to maximize the photovoltaic array output power, irrespective of Under most conditions, MPPT technology will “boost” the solar charge current. 6. Explanations of indicator lights for charge state, battery state, and battery type. 5V 27V (default) 27. 7. Charging curve is shown at top of next page Feb 1, 2018 · PDF | On Feb 1, 2018, Debashish Mohapatra and others published Design of Solar Powered Battery Charger: An Experimental Verification | Find, read and cite all the research you need on ResearchGate MPPT solar charge controller MPPT solar charge controller Connect terminals by following below steps (Refer to diagram above): The RTS cable may be pulled through conduit along with the power wires. display 9. Descriptions of the key functions About this item 【Dual USB 60A MPPT Solar Charge Controller】 Using innovative MPPT technology high tracking efficiency up to 99%;Please refer to the information if you are not familiar with Mppt technology:There are many kinds of MPPT technology,Our Solar Controller Mppt technology is to detect the maximum charging current,not the boost type or the automatic charging of the solar panel voltage. ENGLISH the SMK MPPT solar charge controller. Battery charge voltage settings too high; 8. Ce manuel est également disponible au format PDF. In the same vein as Sparkfun’s Sunny Buddy and Adafruit’s Solar Lipoly Charger, it has the ability to efficiently charge a single-cell lithium polymer battery from solar. Ÿ Suitable for battery types such as Lead-acid AGM/GEL/Flooded & Lithium battery. Battery voltage setting too high; 8. The manual covers connecting batteries, PV arrays, and loads as well as adjusting settings via an app, display Mar 19, 2021 · Keys word: Solar Charger, DC- DC Buck, MPPT technical, Disturbance and Observation (P & O). Only qualified electricians and technicians who are familiar with solar system design and wiring practices should install the MPPT controller. It converts and regulates solar energy to 5V DC and the output will be available through the female USB connector, we can easily connect a mobile phone via data cable. 4 out of 5 stars 133 Nov 13, 2018 · 100A MPPT Solar Charge Controller 12V/24V/48V Auto, MPPT Solar Controller 100 Amp w/ LCD Display, Support 12(Max) Solar Regulator Connections in Parallel, Work with Lead-Acid and Lithium Batteries 4. Introduction 2. (Value may be fluctuant due to the PowMr MPPT- 60A Solar Charge Controller User Manual Author: Administrator Subject: MPPT- 60A Solar Charge Controller Keywords: PowMr,MPPT- 60A, Solar Charge Controller, Charge Controller, MPPT- 60A, Controller, User Manual Created Date: 8/21/2022 10:20:20 AM International Journal of Research Publication and Reviews, Vol 4, no 6, pp 1756-1759 June 2023 1757 Fig. Connect positive wire (+) of solar module to the solar positive terminal (+) on the controller. Screw Driver 8. MPPT charge controllers regulate the voltage and the current from the solar array to match the requirements of a charging battery and consequently protect it. 1. 3. solar array requirements 6. MPPT stands for Maximum power point tracking. 7. Feb 10, 2023 · The proposed Arduino based MPPT Solar Charge Controller Design In our project the Maximum Power point Tracker was implemented using an Arduino with the preferred program to execute the desired Feb 22, 2017 · PDF | In this paper a simulation model of perturb and observe (P&O) based maximum power point tracking (MPPT) controller has been developed. FRANÇAIS. 2 67. Due to the nonlinearity of the solar battery array, there is a maximum power point on its curve. 3 Jan 19, 2023 · The insights derived from an extensive review of literature on Maximum Power Point Tracking (MPPT) methodologies in solar energy systems, with references to studies such as Cheikh et al. Utility will charge battery only when solar energy is not available. 5V 26. Ÿ Easy to be mounted. MPPT technology has been tested using solar cells with a capacity of 50 Watt as a source of and LiFePO4 MPPT solar charge controller. MPPT solar charge controller uses PWM-based DSP controller to keep the batteries regulated and prevent batteries from overcharging and discharging. 8 batteries or 60. port Remote on-off Programmable relay Wire Box 75/10 15A 12/24V MPPT control Optional dongle VE. Mppt solar charge About this item 【Dual USB 30A MPPT Solar Charge Controller】 Using innovative MPPT technology high tracking efficiency up to 99%;Please refer to the information if you are not familiar with Mppt technology:There are many kinds of MPPT technology,Our Solar Controller Mppt technology is to detect the maximum charging current,not the boost type or the automatic charging of the solar panel voltage. Among the renewable sources present solar energy is the most abundant form of resources that would not be exhausted anytime soon. Thanks to active cooling. In this case, the algorithm modifies the solar panel operating voltage by using a proportional integral (PI) control loop, which steers the voltage to the desired value. [1], Kar 100A MPPT Solar Charge Controller 12V/24V/48V Auto, MPPT Solar Controller 100 Amp w/ LCD Display, Support 12(Max) Solar Regulator Connections in Parallel, Work with Lead-Acid and Lithium Batteries 4. the peak-to-peak voltage (Vpp) of the solar battery is about 17V, but the battery voltage is about 12V, therefore, when the common charge controller is charging the battery, the voltage of the solar battery is about 12V, that is, the solar battery does not fully exert its maximum power. basic button functions 11. im HTML5 This document provides installation and operation instructions for Victron Energy's SmartSolar MPPT 150/35 & 150/45 solar chargers. Its role is to control the battery charging process so that the battery is properly charged Manuel du chargeur solaire MPPT SmartSolar MPPT 150/35 & 150/45 Rev 07 - 08/2024 Ce manuel est également disponible au format HTML5. It includes: 1. Key features of the controllers include high efficiency MPPT technology, adaptive three-stage charging, electronic MPPT Solar Charge Controller Optimizing Solar Energy Harvesting: A Deep Dive into MPPT Based solar Charge Controller 1Suraj Vidhyanand Patil, 2Deshbhushan Dhanpal Chougule,3Sairaj Tukaram Zore, 4Sanika Uttam Vengurlekar 1,2,3,4Final Year B. 8. Also for: Spt-15a, Spt-20a, Spt-25a, Spt-30a, Spt-35a, Spt-40a, Spt-45a. Ÿ Automatic battery voltage detection for 12V/24V/36V/48V. (Value may be fluctuant due to the influence of the ambient circumstance and energy loss. MPPT 100 Fully discharged battery recovery function Will initiate charging even if the battery has been discharged to zero volts. This document provides installation and operation instructions for Tracer AN series solar charge controllers. Descripción de los códigos de falla de operación Timeusb 30 Amp MPPT 12V/24V/Auto DC Input Solar Charge Controller, 99% MPPT Tracking Efficiency and Fast Charging, 50V MPPT Controller with LCD Screen for Solar Panel Systems 5. 6 OPzS batteries PzS tubular 15. This compact reference design targets small and medium-power solar charger designs and is capable of operating with 15 to 60V solar panel modules, 12V or 24V batteries, and providing up to 16A output current. Name 1 LCD (backlit) 2 Key 3 User’s manual of MPPT solar charge controller Max PV input Voltage 75V 12V/24V 15A 20A 30A Dear Users: Thank you for selecting our product. Turn on the solar breaker/disconnect and measure the voltage on the open wires BEFORE connecting to the controller. Fully discharged battery recovery function Will initiate charging even if the battery has been discharged to zero volts. 4 out of 5 stars 132 Inverter/ charger BATTERY AC LOAD Commercial power grid (AC) PV module AVR inverter Optional battery type(the defaultitem is lead-acid battery) 1. It details general safety information and contains sections on installation, operation, protections, troubleshooting, maintenance, specifications and dimensions. 1 General Description With MPPT technology, the SP series solar charge controller enables maximum energy tracking for solar charging. INTRODUCTION T MPPT solar charger manual Equalize** Float Temperature Switch Suggested Absorption Equalize** nominal voltage* compensation position battery type voltage* (V) voltage* (V) current factor* (mV/°C) percentage PzS tubular 15. installation 5. 1 :MPPT Controller 2. 2. 4. Safety Abstract. This solar charge controller has a special MPPT technology that canhandle multiple MPPT points and track the true MPPT point quickly and accurately, improvingthe system efficiency and avoiding energy waste. 5. 5V If this inverter/charger is working in Line, Standby or Fault mode, charger source can be programmed as below: Solar first Solar energy will charge battery as first priority. 0 out of 5 stars 1 100+ viewed in past month more SmartSolar Charge Controllers. 4. com FREE DELIVERY possible on eligible purchases This is a multi-function inverter/charger, combining functions of inverter, MPPT solar charger and battery charger to offer uninterruptible power support with portable size. Thank you for purchasing the M48120 Solar Charger. 4 55. Overview. HTML5. 2%★ Advanced MPPT control algorithm to minimize the MPP lost rate and lost time Sep 22, 2017 · Buy Victron Energy SmartSolar MPPT Solar Charge Controller (Bluetooth) - Charge Controllers for Solar Panels - 75V, 15 amp, 12/24-Volt: Energy Controllers - Amazon. 8 16. Apr 5, 2016 · the solar panel(s) to the charge controller. A solar charger mainly functions on the principle of harnessing the energy from the sun and utilizing it to supply electrical energy to devices or for charging batteries. HTML5 BougeRV MPPT Solar Charge Controller 40A, with Remote APP Control, Backlit LCD Display, Temperature Sensor, 12V/24V/36V/48V Battery Regulator, for LiFePO4, 8. Our company's MPPT algorithm continuously compares and adjusts the operating points to locate the array's maximum power point. Will reconnect to a fully discharged Li-ion battery with integrated disconnect function. A complete charging process includes: Quick charge, holding charge and floating charge. Aug 8, 2022 · 5. Applying intelligent MPPT algorithm, it allows solar charge controller to extract maximum power from solar Thank you for selecting our MPPT solar charge controller. product image 4. HTML5 Jul 30, 2014 · Also, it is the objective of this work to compare the theoretical and experimental relationship between MPPT and PWM charge controller which the efficiency of the MPPT was calculated theoretically REGULATEUR DE CHARGE SOLAIRE MPPT Modèle: SSCM-1224-15A Version：2012-2. ccd-0007727 rev: 06-01-23 - 1 - Solar charge controller MPPT Safety Regulations and Appropriate Application: 1. Maximum power point tracking solar charge controller (15 pages) pages) Controller PowMr M1210P User Manual Handbuch des MPPT-Solarladegeräts SmartSolar MPPT 150/35 & 150/45 Rev 07 - 08/2024 Diese Handbuch ist auch im HTML5-Format verfügbar. Although the solar charger industry has been plagued by many companies manufacturing solar chargers, most of these are based on the concept of traditional Ÿ 60/80/100A MPPT solar charge controller. button instructions 10. Technical specifications for electrical parameters and default battery types. Operation parameter setting 5. If there are multiple MPPT points, if there is no good algorithm, it will lead to work onthe unreal MPpT point. * No desconecte la batería cuando el controlador se esté cargando. led indicators 8. 8. 0 out of 5 stars 116 Wire Stripper 7. Battery old, faulty or undersized; 8. kit contains 3. : 2023006262 / 2023006263. 56 Nm) torque. Ÿ 3-stage charging optimizes battery performance. It is the brain of the off-grid solar system that coordinates solar panel and battery loads. A parallel charge communication cable should be included in the box containing the MPPT charge controller. Solar charger not achieving full output. Unlike the conventional Lead acid and Li-ion batteries the major challenge in designing the solar MPPT charger for VRFB lies in simultaneous control of 60a wall mount mppt solar charge controller with bt app model: fscc40pw2 / fscc60pw2 lippert no. Ÿ MPPT technology. De lo contrario, puede dañar la carga de CC. Manual del cargador solar MPPT BlueSolar MPPT 100/30 & 100/50 Rev 04 - 02/2023 Este manual también está disponible en formato HTML5. 2 Merci beaucoup d'avoir choisi notre produit! of traditional solar charge controller (PWM Charging Mode), it can obviously diagnose that the MPPT mode can improve the usage of the solar energy resource. This technology allows the controller to track the maximum power point of an array PowMr 60A MPPT Solar Charge Controller 12V 24V 36V 48V Auto, Solar Charge Regulator 60amp w/Large LCD Display, Work with AGM, Gel, Flooded and Lithium Batteries,Plug MPPT Solar Charge Controller MPPT-165-DUO-BT MPPT-350-DUO-BT DE MPPT-Solarladeregler für zwei Batterien Montage- und Bedienungsanleitung EN MPPT dual Battery Solar Charge Controller Mounting and operating instructions FR MPPT - Chargeur solaire à double batterie Instructions de montage et d'utilisation Charge Controller allows customized battery recharging. The innovative FLEXmax MPPT software algorithm is both continuous and active, increasing your photovoltaic array power yield up to 30% compared to non-MPPT controllers. Tech Students 1,2,3,4Department Of Electronics and Telecommunication Engineering Thank you for choosing our MPPT solar charging controller! Equipped with the advanced MPPT control algorithm and a built-in LCD display showing system status and parameters, this product is a practical and a high-performing solution for your solar system. Nov 7, 2016 · renewable sources. In contrast, the solar charge controller with Maximum Power Point Tracking (MPPT) Technology can lock the point to obtain the maximum energy and deliver it to the battery. 5%★; full load efficiency is up to 97. Charge votage setting 3. Batteries are overcharged. Thank you for using MPPT solar charge controllers, this series product adopted positive design with LCD displaying. 6 out of 5 stars 193 2 offers from $19998 $ 199 98 Manual del cargador solar MPPT SmartSolar MPPT 100/30 & 100/50 10/2021 ESPAÑOL MPPT charge controller User Manual 2 2. Charging of lead-gel, lead-AGM, lead-acid or LiFePO4 (with integrated BMS!) batteries of the indicated nominal voltage and simultaneous supply of the consumers being connected to these batteries in fixed installed systems. 4 MPPT based solar charge controller 33 CHAPTER 6 PROGRAMMING 34 6. 2 Product features No. SmartSolar Charge Controllers MPPT 100/30 & 100/50 Smart Solar Charge Controller MPPT 100/30 MPPT 100/50 solar mobile charger. ) Nov 29, 2012 · cycles. MPPT solar charger manual SmartSolar MPPT 150/35 & 150/45 Rev 07 - 08/2024 This manual is also available in HTML5. A visual graph of a typical solar panel is shown below. The controller does not create current! Rest assured that the power into the controller is the same as the Charge Controllers. PV yield lower Jan 23, 2016 · PDF | ABSTRACT The aim of this project is to design and construct a solar charge controller, using mostly discrete components. Beyond that, the TI bq24650 chip gives it more flexibility in both the input MPP voltage range and output battery configurations As one of the charging stages, MPPT cannot be used alone. Aug 2, 2022 · A solar charge controller is a solar battery charger that connects the solar panel(s) to the battery. 1. Safety Tracking (MPPT) solar charge controller for 12V and 24V batteries, that can be used as a power optimizer. advanced solar charger with maximum power point tracking. Magic series solar controller is based on an advanced maximum power point tracking (MPPT) technology developed, dedicated to the solar system, the controller conversion efficiency up to 98%. Battery unable to deal with equalisation; 8. ntt icy jlnb ioky ngnsppp jsk hxkiay dlske itzxvny lfoh ocgctlu jcfgu yqgky pbdn bkphc