SOLAR MAINTENANCE

SOLAR MAINTENANCE

1. SOLAR STRUCTURE

   • Photo of solar structure from each side
     • Top, side, front and back view photos
   • Direction of solar structure
     • Take photo with compass or app in cellphone
       • Photo has to be clearly with solar structure in the background
         • Direction: North
           • OK
         • Direction: South, East, Weast
           • Make a plan to fix direction solar structure

2. DC CABINET

   • Type DC system
     • Take panoramic photo
   • PU
     • Take photo quantity of PUs
     • Check if it is operating
     • Measure voltage of each PU before and after cleaning
     • Measure voltage of each PU before and after cleaning
   • Rectifier
     • Take photo quantity of rectifier
     • Check if it is operating
   • Consumption of site
     • DC system with CSU
       • Take photo in CSU
     • DC system without CSU
       • Measure current of each equipment in breaker
       • Measure voltage in breakers
   • LLVD and BLVD breaker
     • Take photo of breakers

3. MONITORING

   • No have
     • Recover monitoring
   • Have
     • Configurate parameters
       • Battery capacity
         • 50 Ah/battery
       • Battery shunt configuration
         • Merge
       • LLVD and BLVD voltage
         • LLVD: 45V
         • BLVD: 43.2
       • DC Low voltage
         • 47.5 V
       • Battery charge current coef.
         • 0.20
     • Check Status
       • PU
         • A: 0A
           • Move PU to another slot
             • PU work
               • Problem with DC system
             • PU doesn't work
               • Change PU
         • A > 0A
           • OK
       • Rectifier
         • All working
           • Ok
         • 1 or more aren't working
           • Move rectifier to another slot
             • Rectifier work
               • Problem with DC system
             • Rectifier doesn't work
               • Change PU
       • Battery
         • Check all CB are working
           • 1 or more aren't working
             • Configurate parameters
           • All CB are working
             • OK

4. BATTERY

   • Cable connection
     • Check if battery is correctly connected
       • Damaged cable
         • Replace cable
       • Damaged terminals
         • Replace terminals
       • Misaligned terminals
         • Tighten terminals
   • Light status
     • Alarmed
       • Reset battery
         • Alarmed
           • Make test battery
             • OK
             • NOK
               • Replace battery
         • No alarmed
           • OK
     • Lights off
       • Measure voltage and current of battery
         • V<47 V , A < 1 A
           • Measure voltage in cables from breakers
             • V > 0
               • Replace battery
             • V=0
               • Check cable and breaker of batteries
         • V<47 V , A >= 1A
           • Charge battery
         • V>47 V , A < 1A
           • OK
         • V>47 V , A > 1A
           • OK
   • Type of battery
     • Different type
       • Replace battery to have same type of batteries
       • Acid
         • Narada
         • Shoto
         • BSB
         • Leoch
       • Lithium
         • Shoto
         • VMC
         • ZTT
   • Physical status
     • Swollen battery
       • Change battery
     • Corroded terminals

5. SOLAR BOX

   • Terminal status
     • Solar groups no have terminals
       • Install teminals
   • Measure voltage of each solar group
     • < 80 V
       • Before 5:00 p.m.
         • Check if one by one solar panel of this solar group if are broken
           • Replace damaged solar panel
       • After 5:00 p.m
         • Check the next day earlier
           • < 80 V
             • Check if one by one solar panel of this solar group if are broken
               • Replace damaged solar panel
           • > 80 v
             • OK
   • Measure current of each solar group
     • 0 A
       • Before 5:00 p.m.
         • Check if one by one solar panel of this solar group if are broken
           • Replace damaged solar panel
       • After 5:00 p.m
         • Check the next day earlier
           • 0 A
             • Check if one by one solar panel of this solar group if are broken
               • Replace damaged solar panel
           • >0 A
             • OK
   • Physical status
     • Damaged solar box (broken, corroded)
       • Replace solar box

6. SOLAR PANELS

   • Physical status
     • Damaged solar panels
       • Replace solar panels
   • Connector status
     • Wrong connections
       • Fix connection
     • Damaged cable
       • Replace cable
   • Clean solar panels
     • Take photo before cleaning
     • Take photo during cleaning
     • Take photo after cleaning

7. GENERATOR

   • Data plate
     • Take photo of generator data
   • Fuel level
     • Check if generator has enough fuel
       • Missing fuel
         • Refill fuel
       • Enough fuel
         • OK
   • Operation
     • Check if generator runs
       • Run
         • OK
       • No run
         • Check with NOC