Third rd-Party V Verific ificatio ion o of f Flo low Batter - - PowerPoint PPT Presentation

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Third rd-Party V Verific ificatio ion o of f Flo low Batter - - PowerPoint PPT Presentation

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Third rd-Party V Verific ificatio ion o of f Flo low Batter ery y Datacen enter er and U Uti tility ty Applications Mio Da rt Busine ss De ve lo pme nt Ma na g e r - Ame ric a s Re dflo w Je ff Xu Affilia te d F a c ulty T

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SLIDE 1

Third rd-Party V Verific ificatio ion o

  • f

f Flo low Batter ery y – Datacen enter er and U Uti tility ty Applications

Mio Da rt

Busine ss De ve lo pme nt Ma na g e r - Ame ric a s Re dflo w

Je ff Xu

Affilia te d F a c ulty T e xa s Susta ina b le E ne rg y Re se a rc h I nstitute (T SE RI ) T he Unive rsity o f T e xa s a t Sa n Anto nio (UT SA)

July 20, 2017

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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2001 - 2005 2006 - 2008 2009 - 2014 2015 - 2017 Ge ne r a tion 0 Ge ne r a tion 1 Ge ne r a tion 2 ZBM2

  • Pro o f o f

c o nc e pt

  • Ma te ria l

se le c tio n

  • Pe rfo rma nc e

e va lua tio n

  • L

ife a na lysis & te sting

  • Pro d uc tio n

impro ve me nts

  • Supply c ha in
  • ptimiza tio n
  • AC pumps &

fa n

  • Pe rfo rma nc e

& life time impro ve me nts

  • DC b a tte ry

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 4

― 5kW/ 10kWh/ 48VDC zinc -b ro mide b a tte ry mo dule ― Wa rra nte d 10 ye a r life ― Sma lle st c o mme rc ia l flo w b a tte ry o n the ma rke t ― Multiple ZBM2 mo dule s c a n b e c o nne c te d in pa ra lle l to fo rm

la rg e r b a tte ry syste ms

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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How doe s a F low Batte r y Wor k?

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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Cyc ling Char ac te r istic s

― F

la t vo lta g e pro file during c ha rg e a nd disc ha rg e e ve n whe n using c o nsta nt c urre nt o r c o nsta nt po we r mo de s

― 100% de pth o f disc ha rg e c a pa b ility ― Be st suite d to lo we r po we r, lo ng e r dura tio n a pplic a tio ns

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 7

T ar ge t Applic ation #1: T e le c om

  • 48VDC a nd fla t vo lta g e pro file ide a l fo r c o nsta nt po we r, -48VDC

te le c o mmunic a tio ns lo a ds

  • ZBM2s b e st suite d to unre lia b le g rid o r o ffg rid a re a s tha t re q uire

re g ula r de e p c yc ling

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 8
  • Co mme rc ia l a nd I

ndustria l (C&I ) a pplic a tio ns g e ne ra lly re q uire ma ny ZBM2 b a tte rie s c o nne c te d to g e the r

  • Applic a tio ns inc lude de ma nd c ha rg e re duc tio n, o ptimising so la r

g e ne ra tio n e tc .

  • 50

50 100 150 200 250

5:00 AM 6:00 AM 7:00 AM 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 6:00 PM 7:00 PM

Grid Output Powe r (kW)

PV Po we r (kW) M90 Adjuste d PV Po we r (kW)

340kW PV 90kW / 240kWh Stor a g e

Cha rg e a t 185A 8:30a m-2:30pm Disc ha rg e to e mpty a t 350A 2:30pm- 5pm

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

T ar ge t Applic ation #2: C&I

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SLIDE 9
  • Ge ne ra lly re q uire ma ny ZBM2 b a tte rie s c o nne c te d to g e the r
  • Applic a tio ns inc lude pe a k re duc tio n, o ptimizing re ne wa b le s, e tc

10 20 30 40 50 60 70 80 90

3:40 PM 4:10 PM 4:40 PM 5:10 PM 5:40 PM 6:10 PM 6:40 PM 7:10 PM 7:40 PM 8:10 PM 8:40 PM 9:10 PM 9:40 PM 10:10 PM

kW

Gr id- F e e d Pe r iod – Monday 9 Apr il 2012 Re a l Po we r (kW) with Sto ra g e Re a l Po we r (kW) witho ut Sto ra g e

Pe a k Re duc tion: 15.19%

4 E SS gr id- fe e d

3kW / E SS (12kW to ta l) 9kW: 4pm – 7:20pm 3kW: 7pm – 10:20pm Mo nda y-F rida y

65 c ustome rs The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

T ar ge t Applic ation #3: BT M Utility

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SLIDE 10
  • ZCe ll: re side ntia l pro duc t, b a se d o n ZBM2
  • Only a va ila b le in Austra lia c urre ntly

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

T ar ge t Applic ation #4: Re side ntial

10 20 30 40 50 60 70 80 90 100

  • 10
  • 8
  • 6
  • 4
  • 2

2 4 6 8 10 12:00 AM 2:00 AM 4:00 AM 6:00 AM 8:00 AM 10:00 AM 12:00 PM 2:00 PM 4:00 PM 6:00 PM 8:00 PM 10:00 PM

State of Charge (%) Power (kW)

Grid Power (kW) Battery Power (kW) Generation (kW) Household Load (kW) Battery SOC (%)

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SLIDE 11

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

10 20 30 40 50 60 70 80 90 100

  • 10
  • 8
  • 6
  • 4
  • 2

2 4 6 8 10 12:00 AM 2:00 AM 4:00 AM 6:00 AM 8:00 AM 10:00 AM 12:00 PM 2:00 PM 4:00 PM 6:00 PM 8:00 PM 10:00 PM

State of Charge (%) Power (kW)

Grid Power (kW) Battery Power (kW) Generation (kW) Household Load (kW) Battery SOC (%)

Dad is home! And charges the EV

T ar ge t Applic ation #4: Re side ntial

  • ZCe ll: re side ntia l pro duc t, b a se d o n ZBM2
  • Only a va ila b le in Austra lia c urre ntly

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SLIDE 12

10 20 30 40 50 60 70 80 90 100

  • 10
  • 8
  • 6
  • 4
  • 2

2 4 6 8 10 12:00 AM 2:00 AM 4:00 AM 6:00 AM 8:00 AM 10:00 AM 12:00 PM 2:00 PM 4:00 PM 6:00 PM 8:00 PM 10:00 PM

State of Charge (%) Power (kW)

Grid Power (kW) Battery Power (kW) Generation (kW) Household Load (kW) Battery SOC (%)

Grid supplements battery (5kW power capability)

  • ZCe ll: re side ntia l pro duc t, b a se d o n ZBM2
  • Only a va ila b le in Austra lia c urre ntly

T ar ge t Applic ation #4: Re side ntial

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249 12

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SLIDE 13

10 20 30 40 50 60 70 80 90 100

  • 10
  • 8
  • 6
  • 4
  • 2

2 4 6 8 10 12:00 AM 2:00 AM 4:00 AM 6:00 AM 8:00 AM 10:00 AM 12:00 PM 2:00 PM 4:00 PM 6:00 PM 8:00 PM 10:00 PM

State of Charge (%) Power (kW)

Grid Power (kW) Battery Power (kW) Generation (kW) Household Load (kW) Battery SOC (%)

Why are you discharging?

  • ZCe ll: re side ntia l pro duc t, b a se d o n ZBM2
  • Only a va ila b le in Austra lia c urre ntly

T ar ge t Applic ation #4: Re side ntial

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 14
  • Re dflo w’ s zinc -b ro mide flo w b a tte ry

te c hno lo g y o ffe rs a n a lte rna tive to o the r c he mistrie s with so me impo rta nt b e ne fits

  • ZBM2s ha ve unde rg o ne sig nific a nt inte rna l

a nd fie ld te sting

  • T

SE RI ’ s va lida tio n re sults to fo llo w …

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

Summar y

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T SE RI Vision & Mission

  • De ve lo p c itize n le a de rs c a pa b le o f a ddre ssing c o mple x

E ne rg y a nd Susta ina b ility c ha lle ng e s

  • F
  • c using o n fa c ulty a nd stude nts’ pa rtic ipa tio n
  • E

sta b lishing lo ng -te rm pa rtne rships a nd wo rk c o lla b o ra tive ly within a c a de mic , industry a nd na tio na l la b s

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249 UT SA

Cyb e r Se c urity E ne rg y & E nviro nme nt He a lth, Huma n/ So c ia l De ve lo pme nt Susta ina b ility

Colle g e of E ng ine e ring

E ne rg y Re g e ne ra tive Me dic ine Clo ud Co mpute r Ma te ria ls

T SE RI

E ne rg y & Susta ina b ility Da ta Ana lytic s Cyb e r Se c urity

Alignme nt fo r Suc c e ss!

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Snapshot of the T hir d- par ty Ve r ific ation Pr

  • je c t

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

  • 3-ye a r pro g ra m (2015-2017)
  • Co lla b o ra tive a c tivitie s with spo nso rs
  • F
  • c use d o n a va rie ty o f te c hno lo g ie s
  • Multi-a pplic a tio n a lig ne d with spo nso rs’

c o rpo ra te missio n a nd te c hno lo g y g o a ls

  • Pro vide o ppo rtunitie s fo r stude nts, fa c ulty

a nd sta ff

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The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

E c o no mic Mo de ling Pe rfo rma nc e T e sting F unc tio na l T e sting F L OW BAT T E RI E S

VAL IDAT ION

  • Cha rg e / disc ha rg e time @ va rio us

ra te s & SOCs

  • E

ne rg y c o nsumptio n a nd o utput (e ffic ie nc y)

  • Cyc le life te st

SIMUL AT ION

  • Ma rke t re g ula tio n re se a rc h
  • Sta tistic a l mo de ling to fo re c a st

pric e a nd sig na l da ta fo r fre q ue nc y re g ula tio n

  • Re ve nue a nd sc he duling
  • ptimiza tio n
  • Re turn o n inve stme nt

c a lc ula tio ns

T E ST ING

  • Re spo nse time to F

R sig na ls

  • T

e sting pro file s using histo ric a l sig na l da ta

Pr

  • je c t Ove r

vie w

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L a b o ra to ry Se tup

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

ZBM2 Flow Battery

Re dflow ZBM2

Zinc Bro mide F lo w Ba tte ry

  • DC Vo lta g e Ope ra ting

Ra ng e : 40-58 V (48 V no mina l)

  • Ab so lute Ra ng e : 30-72 V
  • Po we r Ra ting : 0-3kW

(5kW Pe a k, disc ha rg e )

  • Ne t E

ne rg y Ra ng e : 0 to 10kWh

  • Ne t E

ne rg y E ff.: 80% DC- DC Ma x

  • Ope ra ting T

e mpe ra ture : 50-122 °F

  • I

nte g ra te d BMS

  • Mo dula r, F

le xib le , Sc a la b le

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  • 2

2 00:00.0 07:12.0 14:24.0 21:36.0 28:48.0 36:00.0 43:12.0 50:24.0

PJM So urc e vs Simula te d

No rma lize d Re g D Sig na l No rma lize d DAQ No rma lize d BMS

CYCL E T E ST ING DYNAMI C T E ST I NG L a b VIE W

  • Auto ma tio n c o ntro lle d

thro ug h L a b VI EW

  • Ab ility to re c o rd Po we r Supply

a nd L

  • a d Ba nk da ta
  • Ab ility to pro g ra m c yc le te sts

a nd dyna mic te sts

  • Re mo te a c c e ss

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

UT SA L a b Se tup Automa tion

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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Re fe r e nc e Pe r for manc e T e sts (RPT s)

  • To check if there is any battery capacity degradation
  • Normally executing after Self-Maintenance: the very

beginning of the test cycle.

  • Normally executing before Self-Maintenance: the end of the

test cycle.

  • Constant current (~27.4 A)* charge and constant power

discharge (2.65 kW)** for RPT. *Power Supply set at 28.4 A **Load Bank set at 2.5 kW

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249 20

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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RPT T e st a fte r / be for e Se lf-Ma inte na nc e

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

  • Shows no obvious battery degradation (V vs. Time in min.)

54 54.5 55 55.5 56 56.5 57 1 25 49 73 97 121 145 169 193 217 241 265 289 313 337 361 385 409 433 457 481 505 529

Voltage Open RPT Charge

Charge Open 1 Charge Open 2 39 41 43 45 47 49 51 1 11 21 31 41 51 61 71 81 91 101 111 121 131 141 151 161 171 181 191 201 211 221 231

Voltage Open RPT Discharge

Open Discharge 1 Open Discharge 2 53 54 55 56 57 1 25 49 73 97 121 145 169 193 217 241 265 289 313 337 361 385 409 433 457 481 505 529

Voltage Close RPT Charge

Close Charge 1 Close Charge 2 39 44 49 54 1 11 21 31 41 51 61 71 81 91 101 111 121 131 141 151 161 171 181 191 201 211 221 231 241

Voltage Close RPT Discharge

Close Discharge 1 Close Discharge 2

21

After Before

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 22

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

Cyc le L ife T e sting : Pa r tia l, 30-100% SOC (E xa mple )

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 23

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

Pa r tia l Cyc le T e st, 30-100% SOC (E xa mple )

VOLTAGE & CURRENT

Discharge curves show no battery degradation during the cycle test design

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 24

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

E c onomic E ne r gy E ffic ie nc y

T

  • ta l E

ne rg y I n vs. Usa b le E ne rg y Out:

ZMB2 Flow Battery

Circuit Breaker

Programmable Power Supply

BMS

ZMB2 Flow Battery Programmable Load Bank

Circuit Breaker

BMS

Cha rg ing Disc ha rg ing

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 25

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

Cyc le L ife T e sting – 0 to 100% SOC

  • 60
  • 40
  • 20

20 40 60 80 100 0:00 3:39 7:18 10:57 14:36 18:15 21:54 1:33 5:12 8:51 12:30 16:09 19:48 23:27 3:06 6:45 10:24 14:03 17:42 21:21 1:00 4:39 8:18 11:57 15:36 19:15 22:54

Current (A) Time (min)

Current vs Time

35 40 45 50 55 60 0:00 3:39 7:18 10:57 14:36 18:15 21:54 1:33 5:12 8:51 12:30 16:09 19:48 23:27 3:06 6:45 10:24 14:03 17:42 21:21 1:00 4:39 8:18 11:57 15:36 19:15 22:54

Voltage (V) Time (min)

Voltage vs. Time

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E c onomic E ffic ie nc y Re sult T a ble s

BASE D ON CYCL E L I F E T E ST I NG: 0-100% SOC

ECONOMIC EFFICIENCY CYCLE Coulombic Energy Voltaic RPT 1 82% 68% 83% 1 87% 70% 81% 2 87% 71% 82% 3 87% 71% 82% 4 86% 71% 82% 5 87% 71% 82% 6 87% 71% 82% 7 87% 73% 84% RPT 2 85% 72% 85%

Pro g ra m we nt into RPT d isc ha rg e mo d e fo r this c yc le

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 27

PJM F R Dyna mic T e st De sc r iption

  • Tests were performed at 3 different SOCs: 80%,

50%, and 20%

  • Two repeated tests were performed for each SOC
  • Each test had 15 runs
  • Each run means one completed PJM FR cycle
  • Time shifts that occurred towards the end of the

tests were due to testing equipment or automation

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The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 28

PJM L

  • a d Pr
  • file F
  • llowing (Cur

r e nt Ba se d)

  • The current profiles are in sync
  • ver time (A vs. Time in min.)
  • Varying SOC has no effect on the

current profiles since it is a load indicator

  • Time shifts that occurred towards

the end of the tests were due to testing equipment or automation

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  • 50

50 100 1 27 53 79 105 131 157 183 209 235 261 287 313 339 365 391 417 443 469 495 521 547 573 599

Current (A) Time (min)

Current Comparison

80 SOC 50 SOC 20 SOC

  • 50

50 100 1 27 53 79 105 131 157 183 209 235 261 287 313 339 365 391 417 443 469 495 521 547 573 599

Current (A) Time (min)

Current Comparison

80 SOC 50 SOC 20 SOC

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 29

Ba tte r y Be ha vior (Volta g e Pr

  • file )
  • The voltage profiles are in sync
  • ver time (V vs. Time in min.)
  • The lower the SOC, the lower

the discharge voltage

  • Matches what is known for a

healthy battery

  • Time shifts that occurred

towards the end of the tests were due to testing equipment

  • r automation

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44 49 54 59 1 24 47 70 93 116 139 162 185 208 231 254 277 300 323 346 369 392 415 438 461 484 507 530 553 576 599

Voltage (V) Time (min)

Voltage Comparison

80 SOC 50 SOC 20 SOC 44 46 48 50 52 54 56 58 1 24 47 70 93 116 139 162 185 208 231 254 277 300 323 346 369 392 415 438 461 484 507 530 553 576 599

Voltage (V) Time (min)

Voltage Comparison

80 SOC 50 SOC 20 SOC

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 30

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

  • Ca pa c ity: ≈ 240 Ah charge and 210-220 Ah disc ha rg e
  • E

ffic ie nc y

  • E

ne rg y: 68-81%

  • Vo lta ic : 81-86%
  • Co ulo mb ic : 82-95%
  • Se lf-ma inte na nc e : e ve ry 120 ho urs
  • T

ime to c ha rg e (6-11 hr.) a nd disc ha rg e (3-10 hr.)

  • PJM dyna mic te st pro file s de mo nstra te d simila r tre nd a t

diffe re nt SOCs

  • No de g ra da tio n o b se rve d

Summa r y fr

  • m Va lida tion T

e sting

The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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SLIDE 31

THANK NK Y YOU OU

Mio Dart

Busine ss De ve lo pme nt Ma na g e r – Ame ric a s Re d flo w Mio .Da rt@ re d flo w.c o m 415-859-8334

Je ff Xu

Affilia te d F a c ulty UT SA – T SE RI Je ffq ia ng .Xu@ utsa .e d u 210-324-9378 The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

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