manual:module-based:protocol_manual

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
manual:module-based:protocol_manual [2019/07/31 23:16]
admin [Muilt-string] 		manual:module-based:protocol_manual [2021/09/21 23:27] (current)
ran_gao [Muilt-string]
Line 28: Line 28:
 In the rest paragraghs, the following phrase will be used: In the rest paragraghs, the following phrase will be used:
  
-  *** value->address**, stands for writting a value to this register dress. +  *** value->address**, stands for writting a value to this register address. 
-  * **address=value**, stands for the value read from or opetional values that can be written into this register.+  * **address=value**, stands for the value read from or optional values that can be written into this register.
 ==== Reading ==== ==== Reading ====
 <flow> <flow>
Line 87: Line 87:
  </flow>    </flow>  
  
-==== Muilt-string ====+==== Multi-string ====
  
-If you are using multi-string model, each string have a standalone clear-fault register. You can eithe use 1->53903 to clear-fault all the modules, or use the following registers:+If you are using multi-string model, each string has a standalone clear-fault register. You can eithe use 1->53903 to clear-fault all the modules, or use the following registers:
  
   * 1->53923: clear-fault string 1   * 1->53923: clear-fault string 1
Line 114: Line 114:
     Note right of PCS: Done      Note right of PCS: Done 
  </flow>    </flow>  
 +
  
 Depending on the Grid-interconnection settings before starting, the PCS will be running in these modes. Depending on the Grid-interconnection settings before starting, the PCS will be running in these modes.
-  * 53600=0, Grid-tied mode+  * 53600=0, Grid-tied mode\\   If the ramp rate is set, the power will NOT change instantly but with a slope
   * 53600=1, Off-grid mode   * 53600=1, Off-grid mode
 +
  
 ==== Muilt-string ==== ==== Muilt-string ====
Line 147: Line 149:
 ==== Muilt-string ==== ==== Muilt-string ====
  
-If you are using multi-string model, each string has a standalone stopping register. You can eithe use 1->53900 to start all the modules, or use the following registers to operate each module:+If you are using multi-string model, each string has a standalone stopping register. You can eithe use 1->53900 to stop all the modules, or use the following registers to operate each module:
  
   * 1->53921: stop string 1   * 1->53921: stop string 1
Line 166: Line 168:
  
 === Active power regulation modes === === Active power regulation modes ===
-there are 3 modes supported in regulating active power+there are 4 modes supported in regulating active power
   * 53636=0: Constant active power\\  - the active power will be designated by the [[#active power setpoint]] directly   * 53636=0: Constant active power\\  - the active power will be designated by the [[#active power setpoint]] directly
   * 53636=1: Volt-Watt\\  - the active power will be designated by the [[#active power setpoint]] when voltage is in normal range, once the voltage rises beyond the range, the active power will reduce with the Volt-Watt slope    * 53636=1: Volt-Watt\\  - the active power will be designated by the [[#active power setpoint]] when voltage is in normal range, once the voltage rises beyond the range, the active power will reduce with the Volt-Watt slope 
Line 187: Line 189:
  </flow>    </flow>  
  
-==== Muilt-string ====+==== Multi-string ====
  
 If you are using multi-string model, each string have a standalone active power setpoint register.  If you are using multi-string model, each string have a standalone active power setpoint register. 
Line 207: Line 209:
  
 === Reactive power regulation mode === === Reactive power regulation mode ===
-Their are three modes for regulating reactive power+There are three modes for regulating reactive power
   * 53620=0: Constant PF - the reactive power will be designated by [[#PF setpoint]] and [[#active power setpoint]]   * 53620=0: Constant PF - the reactive power will be designated by [[#PF setpoint]] and [[#active power setpoint]]
   * 53620=1: Constant reactive power  - the reactive power will be designated by [[#reactive power setpoint]] directly   * 53620=1: Constant reactive power  - the reactive power will be designated by [[#reactive power setpoint]] directly
Line 288: Line 290:
  
 ==== What are Smart inverter functions ==== ==== What are Smart inverter functions ====
-Smart inverters go beyond this basic function to provide grid support functions, such as voltage regulation, frequency support and ride through capabilities.+Smart inverters go beyond this basic function to provide grid support functions, such as voltage regulation, frequency support and ride-through capabilities.
 More and more countries grid codes are requiring similar smart inverter functions More and more countries grid codes are requiring similar smart inverter functions
  
Line 381: Line 383:
  
  
-==== Battery dis-/charge boundary parameters ====+==== Battery dis-/charge boundary configuration ==== 
 + 
 + 
 +See the following diagram for the relationship and definitions of the charging/discharging sequence. 
 + 
 +In most applications, EMS may want the PCS to charge/discharge battery only in constant power section, however, the saturation of battery charging, the over discharging, and the protections, must be considered too. 
 + 
 +{{:manual:module-based:battery_charge_discharge_sequence.png|}} 
  
 === Lower limit voltage of battery === === Lower limit voltage of battery ===
  • manual/module-based/protocol_manual.1564629411.txt.gz
  • Last modified: 2020/09/16 22:07
  • (external edit)