evcc-io/hems/fnn/fnn-3.go

153 lines
2.6 KiB
Go

package fnn
import (
"context"
"sync"
"time"
"github.com/evcc-io/evcc/api"
"github.com/evcc-io/evcc/core/site"
"github.com/evcc-io/evcc/hems/smartgrid"
"github.com/evcc-io/evcc/plugin"
"github.com/evcc-io/evcc/util"
)
type Fnn3 struct {
mu sync.Mutex
log *util.Logger
root api.Circuit
s1, s2, w3 func() (bool, error)
smartgridID uint
limit *float64
maxPower float64
interval time.Duration
}
// NewFromConfig creates an Fnn3 HEMS from generic config
func NewFromConfig(ctx context.Context, other map[string]any, site site.API) (*Fnn3, error) {
cc := struct {
MaxPower float64
W3 plugin.Config
S1 *plugin.Config
S2 *plugin.Config
Interval time.Duration
}{
Interval: 10 * time.Second,
}
if err := util.DecodeOther(other, &cc); err != nil {
return nil, err
}
// setup grid control circuit
gridcontrol, err := smartgrid.SetupCircuit()
if err != nil {
return nil, err
}
site.SetCircuit(gridcontrol)
// s1 getter
s1G, err := cc.S1.BoolGetter(ctx)
if err != nil {
return nil, err
}
s2G, err := cc.S2.BoolGetter(ctx)
if err != nil {
return nil, err
}
w3G, err := cc.W3.BoolGetter(ctx)
if err != nil {
return nil, err
}
return NewFnn3(gridcontrol, s1G, s2G, w3G, cc.MaxPower, cc.Interval)
}
// NewFnn3 creates Fnn3 HEMS
func NewFnn3(root api.Circuit, s1, s2, w3 func() (bool, error), maxPower float64, interval time.Duration) (*Fnn3, error) {
c := &Fnn3{
log: util.NewLogger("fnn3"),
root: root,
maxPower: maxPower,
s1: s1,
s2: s2,
w3: w3,
interval: interval,
}
return c, nil
}
func (c *Fnn3) Run() {
for range time.Tick(c.interval) {
if err := c.run(); err != nil {
c.log.ERROR.Println(err)
}
}
}
func (c *Fnn3) run() error {
w3, err := c.w3()
if err != nil {
return err
}
if w3 {
// 0%
return c.curtail(0.0)
}
if c.s2 != nil {
s2, err := c.s2()
if err != nil {
return err
}
if s2 {
// 30%
return c.curtail(0.3)
}
}
if c.s1 != nil {
s1, err := c.s1()
if err != nil {
return err
}
if s1 {
// 60%
return c.curtail(0.6)
}
}
// 100%
return c.curtail(1.0)
}
func (c *Fnn3) curtail(frac float64) error {
c.mu.Lock()
defer c.mu.Unlock()
active := frac < 1.0
c.limit = nil
if active {
c.limit = new(c.maxPower * frac)
}
c.root.Curtail(active)
// TODO make ProductionNominalMax configurable (Site kWp)
// c.root.SetMaxPower(c.maxPower*frac)
if err := smartgrid.UpdateSession(&c.smartgridID, smartgrid.Curtail, c.root.GetChargePower(), c.maxPower*frac, active); err != nil {
c.log.ERROR.Printf("smartgrid session: %v", err)
}
return nil
}