EZA2 5 0 0 - 3 2 0 4 8 EVALUATI ON DATA 型式データ...0% 48.004V 48.007V 48.030V 26mV 0.054% 50% 47.886V 47.890V 47.850V 40mV 0.083% 100% 47.787V 47.705V 47.766V 82mV 0.171% load

EZA2500-32048

EVALUATION DATA

型式データ

DWG NO.V008-53-01A

TDK-Lambda

EZA2500-32048

目次　INDEX1. 測定方法　　Evaluation Method 項 PAGE

1.1 測定回路　　Measurement Circuits

(1) ・静特性、定電流特性 Steady state characteristics, Constant current characteristics...............................................................................................T-1

・過電圧保護特性 Over voltage protection (OVP) characteristics

・力行・回生切替特性 Generation and regeneration switching characteristics

・定電流指令応答特性 Constant current command responce characteristics

・バッテリ保護特性 Battery protection characteristics

(2) ・出力立ち上がり・立ち下り特性 Output rise & fall characteristics

・出力電圧指令応答特性　(外部出力端子 / RS-485)

Output voltage command responce characteristics(ON/OFF by External terminal and RS-485)

(3) 負荷急変特性 Dynamic load response characteristics...............................................................................................T-2

(4) 突入電流特性 Inrush current characteristic

(5) 電圧出力リップル・ノイズ波形 Output voltage ripple and noise waveform

(6) EMI特性 Electro-Magnetic Interference characteristics ...............................................................................................T-3

1.2 使用測定機器　　List of equipment used ........................................................................................ T-4

2. 特性データ　　Characteristics

2.1 静特性　　Steady state data

(1) 入力・負荷・温度変動

Regulation - line and load, temperature drift .................................................................................. T-5

(2) 出力電圧対入力電圧、出力リップル・ノイズ対入力電圧

Output voltage vs. Input voltage and Output ripple and noise voltage vs. Input voltage ...................................................................................................…T-7

(3) 入力電流対出力電流、効率対出力電流

Input current vs. Output current and Efficiency vs. Output current ....................................................................................T-9

2.2 待機電力特性　　Standby power characteristics ...........................................................................................................…T-11

2.3 通電ドリフト特性　　Warm up voltage drift characteristics .......................................................................................................................…T-12

2.4 定電流特性　　Constant current characteristics ...................................................................................................................................…T-13

2.5 過電圧保護特性　　Over voltage protection (OVP) characteristics ................................................................................................…T-15

2.6 出力立ち上がり、立ち下がり特性　　Output rise and fall characteristics .............................................................................................…T-16

2.7 0Vランプアップ起動特性　　0V ramp up characteristics.............................................................................................…T-20

2.8 過渡応答（負荷急変）特性　　Dynamic load response characteristics ......................................................................…T-21

2.9 入力サージ電流（突入電流）特性　　Inrush current characteristics ..................................................................................................T-22

2.10　出力電圧リップル・ノイズ波形　Output voltage ripple and noise waveform .............................................................................................T-23

2.11 EMI特性　　Electro-Magnetic Interference characteristcs ...................................................................................................T-25

2.12 力行・回生切替特性 Generation and regeneration switching characteristics ...................................................................................................T-27

2.13 出力電圧指令応答特性 Output voltage command responce characteristics ...................................................................................................T-28

2.14 定電流指令応答特性 Constant current command responce characteristics ...................................................................................................T-29

2.15 バッテリ保護特性 Battery protection characteristics.............................................................................................T-30

使用記号　Terminology used

定義 Definition

Vin 入力電圧 Input voltage Io 出力電流 Output current

Vo 出力電圧 Output voltage Po 出力電力 Output power

Iin 入力電流 Input current Ta 周囲温度 Ambient temperature

※ 特記無き特性は、他律CV制御のデータです。

試験結果は、代表データでありますが、全ての製品はほぼ同等な特性を示します。

従いまして、以下の結果は参考値とお考え願います。

Otherwise stated characteristics are data of heteronomy charge CV control.

Test results are typical data. Nevertheless the following results are considered to be

reference data because all units have nearly the same characteristics.

.........

.........

......... .........

.........

.........

TDK-Lambda

EZA2500-32048

1.　測定方法　　測定方法　　測定方法　　測定方法　Evaluation method

1.1 測定回路　Measurement Circuits

(1) ・静特性・定電流特性

Steady state characteristics and Constant current characteristics

・過電圧保護特性Over voltage protection (OVP) characteristics

・力行・回生切換え特性 Generation and Regeneration switching characteristics

・定電流指令応答特性Constant current command responce characteristics

・バッテリ保護特性Battery protection characteristics

(2) ・出力立ち上がり・立ち下り特性 Output rise & fall characteristics

・出力電圧指令応答特性(外部出力端子 / RS-485)

Output voltage command responce characteristics (External terminal / RS-485)

RS-485

PC

P.S.

+V

-V

+V

DC Powersupply

320V 48V

V

Shunt res.

V

Shunt res.-V

DC Powersupply

ChargeDischarge

V

Oscillo

scope

Oscillo

scope

VLoad

Load

Current probe Current probe

RS-485

P.S.

+V

-V

Load

+V

DC Powersupply V

320V 48V

V

4

CN

Probe

SG

D0Differential probe

Shunt res.

V

-V

SW

D1

PC

DC Powersupply

ChargeDischarge

V

Shunt res.

LoadOscillo

scope

Oscillo

scope

TDK-Lambda T-1

EZA2500-32048

(3) 負荷急変特性Dynamic load response characteristics

(4) 突入電流特性Inrush current characteristics

(5) 出力電圧リップル・ノイズ波形 Output voltage ripple and noise waveform

Normal mode (JEITA Standard　RC-9131A)

P.S.

+V

-V

+V

DC Powersupply V

320V 48V

V

Load

Shunt res.

V

-V

Current probe

Output current waveform

100%

90%

60%

50%

tr tf

P.S.

+V

-V

+V

DC Powersupply

320V 48V

Current probe

SW

-V

DC Powersupply

Current probe

SW

DC PowersupplyLoad

V

Current probeShunt res.

1.5m 50ohm cable

OscilloscopeBW: 100MHz

EIAJ probe

50 ohm4700pF

P.S.

+V

-V

Load

+V

DC Powersupply

320V 48V

Shunt res.

V

-V

VDC Powersupply

Shunt res.

V

V

1.5m 50ohm cableOscilloscopeBW: 100MHz

EIAJ probe

50 ohm4700pF

Load

ChargeDischarge

ChargeDischarge

Grid

inrush current

Battery

inrush current

Oscillo

scopeOscillo

scope

Oscillo

scope

Oscillo

scope

TDK-Lambda T-2

EZA2500-32048

(6) EMI特性 Electro-Magnetic Interference characteristics

(a) 雑音端子電圧 (帰還ノイズ) Conducted Emission Noise

(b) 雑音電界強度(放射ノイズ) Radiated Emission Noise

垂直基準大地面

(2m × 2m)

Vertical Ground

Reference Plane D=40cm

擬似電源回路網AMN 50Ω/50uH

EMI Test Receiver

Spectrum Analyzer

供試機器(接地)D.U.T.(Earthed) アルミ板

Aluminum Plate

水平大地面Horizontal Ground Plane

D=80cm

H=80cm台Stand

接地Earth

入力電源Power Source

電源ケーブルPower Cable

アンテナAntenna

EMI Test Receiver

Spectrum Analyzer

Pre Amp.

供試機器(接地)D.U.T.(Earthed) アルミ板

Aluminum Plate

水平大地面Horizontal Ground Plane

D=3m

H=80cm台

Stand

接地Earth

入力電源Power Source

ターンテーブルTurn Table

電源ケーブルPower Cable

TDK-Lambda T-3

EZA2500-32048

1.2 使用測定機器　　List of equipment used

EQUIPMENT USED MANUFACTURER MODEL NO.

1 DIGITAL PHOSPHOR OSCILLOSCOPE TEKTRONIX TDS3012

2 DIGITAL STORAGE OSCILLOSCOPE YOKOGAWA ELECT. DL9040L

3 DIGITAL MULTIMETER AGILENT 34401A

4 DATA ACQUISITION / SWITCH UNIT AGILENT 34970A

5 CURRENT PROBE YOKOGAWA ELECT. 701930

6 CURRENT PROBE YOKOGAWA ELECT. 701928

7 SHUNT RESISTER YOKOGAWA ELECT. 2215

8 CONTROLLED TEMP. CHAMBER ESPEC CORP. PL-4KP

9 SPECTRUM ANALYZER ROHDE & SCHWARZ FSA

10 EMI TEST RECEIVER ROHDE & SCHWARZ ESHS10

11 EMI TEST RECEIVER ROHDE & SCHWARZ ESVS10

12 RF RELAY MATRIX ROHDE & SCHWARZ PSU

13 AMN KYORITU DENSHI KNW-242

14 ANTENNA(BICONICAL ANTENNA) SCHWARZBECK BBA9106

15 DYNAMIC DUMMY LOAD TAKASAGO FK-1000H

16 DYNAMIC DUMMY LOAD KIKUSUI PLZ1004W

17 DC POWER SUPPLY TDK-LAMBDA GEN60-85

18 DC POWER SUPPLY TDK-LAMBDA GEN600-8.5

TDK-Lambda T-4

EZA2500-32048

2. 特性データ特性データ特性データ特性データ Characteristics

2.1 静特性 Steady state data

(1) 入力・負荷・温度変動 Regulation - line and load, Temperature drift

(a)力行　Generation mode

Vo=48V

1. Regulation - line and load Condition Ta:25

Iout \ Vin 300VDC 320VDC 380VDC line regulation

0% 48.004V 48.007V 48.030V 26mV 0.054%

50% 47.886V 47.890V 47.850V 40mV 0.083%

100% 47.787V 47.705V 47.766V 82mV 0.171%

load 217mV 301mV 265mV

regulation 0.451% 0.627% 0.551%

2. Temperature drift Conditions Vin=320VDC

Iout =52A

Ta -10 +25 +40 temperature stability

Vout 47.689V 47.705V 47.766V 78mV 0.161%

(b)回生 Regeneration mode

Vo=320V ※1


Iout \ Vin 36VDC 48VDC

0% 320.545V 320.570V 25mV 0.053%

50% 320.134V 320.195V 61mV 0.127%

100% 319.936V 319.735V 200mV 0.417%

load 609mV 835mV

regulation 0.190% 0.261%


Iout =7.8A


Vout 318.291V 319.735V 319.164V 1444mV 0.451%

line regulation

TDK-Lambda T-5

EZA2500-32048

2.1 静特性 Steady state data

(1) 入力・負荷・温度変動 Regulation - line and load, Temperature drift


Vo=380V※1


Iout \ Vin 36VDC 48VDC 60VDC line regulation

0% 380.682V 380.464V 380.255V 427mV 0.112%

50% 380.372V 380.155V 380.247V 217mV 0.057%

100% 380.182V 379.698V 379.857V 484mV 0.127%

load 501mV 766mV 398mV

regulation 0.157% 0.239% 0.114%


Iout =6.5A


Vout 379.111V 379.698V 379.740V 630mV 0.197%

※1表1　より、回生動作では入力電圧に応じて最大出力電圧が制限されます。

そのため、Vo=320V,380Vそれぞれの出力において入力・負荷・温度変動を表記しています。

From Table 1, the maximum output voltage changes according to input voltage in regeneration operation.

Therefore, these characteristics shows input/load regulation and temperature drift characteristic

at each of Vo = 320V, 380V.

TDK-Lambda T-6

EZA2500-32048

(2) 出力電圧・出力リップル、ノイズ電圧対入力電圧 Output voltage and ripple and noise voltage vs. Input voltage

(a)力行　Generation mode Conditions

Po : 2500 W

Vo=48V Ta : -10

: 25

: 40

(b)回生 Regeneration mode Conditions

Po : 2500 W

Vo=320V ※1Ta : -10

: 25

: 40

0

60

120

180

240

300

360

42

44

46

48

50

52

54

280 300 320 340 360 380 400

Ripple and noise voltage (m

V)

Output voltage (V

)

Input voltage (V)

0

25

50

75

100

300

320

340

360

380

34 36 38 40 42 44 46 48 50


V)

Output voltage (V

)

Input voltage (V)

Ripple and noise voltage

Output voltage


Output voltage

TDK-Lambda T-7

EZA2500-32048

(2) 出力電圧・出力リップル、ノイズ電圧対入力電圧 Output voltage and ripple and noise voltage vs. Input voltage


Po : 2500 W

Vo=380V ※1 Ta : -10

: 25 : 40

※1 回生動作では入力電圧に応じて最大出力電圧が制限されます。そのため、Vo=320V,380V

それぞれの出力において出力電圧・出力リップル、ノイズ電圧対入力電圧を表記しています。


Therefore, these characteristics shows output and ripple and noise voltage to input voltage characteristic


0

25

50

75

100

360

380

400

420

440

32 36 40 44 48 52 56 60 64


V)

Output voltage (V

)

Input voltage (V)


Output voltage

TDK-Lambda T-8

EZA2500-32048

(3) 入力電流対出力電流、効率対出力電流 Input current vs. Output current

Efficiency vs. Output current


Vin : 300 VDC

: 320 VDC

: 380 VDC

Ta : 25


Vin : 36 VDC※1 : 48 VDC

Ta : 25

Vo=48V

Vo=320V

50

60

70

80

90

100

0

5

10

15

20

25

0 4 8 12 16 20 24 28 32 36 40 44 48 52 56Efficiency (%)

Input Current (A

)

Output Current (A)

50

60

70

80

90

100

0

20

40

60

80

100

0 1 2 3 4 5 6 7 8

Efficiency (%)

Input Current (A

)

Output Current (A)

Input current

Efficiency

Efficiency

Input current

TDK-Lambda T-9

EZA2500-32048

(3) 入力電流対出力電流、効率対出力電流 Input current vs. Output current

Efficiency vs. Output current


Vin : 36 VDC※1 : 48 VDC

: 60 VDC

Ta : 25

※1 回生動作では入力電圧に応じて最大出力電圧が制限されます。

そのため、Vo=320V,380Vそれぞれの出力において入力電流対出力電流、効率対出力電流を表記しています。


Therefore, these characteristics shows input current to output current and efficiency to output current characteristic


Vo=380V

50

60

70

80

90

100

0

20

40

60

80

100

0 1 2 3 4 5 6 7 8

Efficiency (%)

Input Current (A

)

Output Current (A)

Efficiency

Input current

TDK-Lambda T-10

EZA2500-32048

2.2 待機電力特性 Standby power characteristics

(a)力行 Generation mode Condition Ta : 25 Vo : 48 V

Vo=48V, Io=0A

Vin [V] Iin [A] Pin [W]

300 0.16 46.83

320 0.15 49.47

340 0.15 52.50

360 0.15 55.63

380 0.16 61.10

(b)回生 Regeneration mode Condition Ta : 25 Vo : 320 V

Vo=320V, Io=0A : 380 V


36 2.07 74.56

40 1.83 73.24

48 1.56 74.88

54 1.36 73.39

Vo=380V, Io=0A


36 2.67 96.17

40 2.40 96.05

48 1.98 95.04

56 1.70 95.22

60 1.60 96.00

(C)待機時 wating Condition Ta : 25

Vo : 48 V


300 0.02 7.38

320 0.02 7.49

340 0.02 7.58

360 0.02 7.67

380 0.02 7.75

0

5

10

15

20

280 300 320 340 360 380 400

Sta

ndb

y p

ow

er (

W)

Input voltage (V)

0

20

40

60

80

100

280 300 320 340 360 380 400

Sta

ndb

y p

ow

er (

W)

Input voltage (V)

0

20

40

60

80

100

120

30 40 50 60 70

Sta

ndb

y p

ow

er(W

)

Input voltage (V)

TDK-Lambda T-11

EZA2500-32048

2.3 通電ドリフト特性

Warm up voltage drift characteristics

(a)力行　Generation mode Conditions Vin : 320VDC

Io : 52A

Ta : 25

(b)回生　Regeneration mode Conditions Vin : 48VDC

Io : 7.8A

Ta : 25

Vo=48V

Vo=320V

-1.0

-0.5

0.0

0.5

1.0

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

Outp

ut voltag

e drift (%

)

Time (hrs)

-0.5

-0.3

0.0

0.3

0.5

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

Outp

ut voltag

e drift (%

)

Time (hrs)

TDK-Lambda T-12

EZA2500-32048

2.4 定電流特性 Constant current characteristics

(a)力行　Generation mode

Conditions Vin : 300 VDC Conditions Vin : 320 VDC

320 VDC Ta : -10

380 VDC 25 Ta : 25 40

Constant Current Value : 52 A Constant Current Value : 52 ALow Voltage Protection Value : 32 V Low Voltage Protection Value : 32 V

Vo=48V

0

10

20

30

40

50

0 10 20 30 40 50 60

Outp

ut volt

age

(V)

Output current (A)

0

10

20

30

40

50

0 10 20 30 40 50 60

Outp

ut volt

age

(V)

Output current (A)

Shutdown Shutdown

TDK-Lambda T-13

EZA2500-32048

2.4 定電流特性 Constant current characteristics

(b)回生　Regeneration mode

Vo=320V


Ta : -10 48 VDC

25 Ta : 25 40

Constant Current Value : 7.8 A Constant Current Value : 5.8 A※1

Low Voltage Protection Value : 260 V Low Voltage Protection Value : 260 V

※1Vin=36V,Vo=320Vの時,最大出力電流はIo=5.8A.

When operating parameters are Vin=V36,Vo=320V,

maximum Io=5.8A.

Vo=380V


Ta : -10 48 VDC

25 60 VDC

40 Ta : 25 Constant Current Value : 6.5 A

※2 Constant Current Value : 4.7 A※3

Low Voltage Protection Value : 260 V Low Voltage Protection Value : 310 V

※2 Vin=48V,Vo=380Vの時,最大出力電流はIo=6.5A. ※3 Vin=36V,Vo=380Vの時,最大出力電流はIo=4.7A.

When operating parameters are Vin=48,Vo=380, When operating parameters are Vin=36,Vo=380,

maximum Io=6.5A. maximum Io=4.7A.※4 Vin=60V,Vo=380Vの時,ディレーティング範囲外であるため,出力電流が制御不可となる.

When operating parameters are Vin=60V,Vo=380V,

they are nonstandard of derating.

therefore output current is uncontrollable.

240

260

280

300

320

340

360

380

400

0 2 4 6 8

Outp

ut voltag

e (V

)

Output current (A)

240

260

280

300

320

340

360

380

400

0 2 4 6 8 10

Outp

ut voltag

e (V

)

Output current (A)

240

260

280

300

320

340

360

380

400

0 2 4 6 8

Outp

ut voltag

e (V

)

Output current (A)

240

260

280

300

320

340

360

380

400

0 2 4 6 8 10

Outp

ut voltag

e (V

)

Output current (A)

Shutdown Shutdown

Shutdown Shutdown

※4

TDK-Lambda T-14

EZA2500-32048

2.5 過電圧保護特性

Over voltage protection (OVP) characteristics

(a)力行 Generation mode Conditions Ta : 25Vin : 320VDC

Io : 0A

Over Voltage Protection Value : 62V

(b)回生 Regeneration mode　(Pre-charge voltage is 260V) Conditions Ta : 25Vin : 48VDC

Io : 0A

Over Voltage Protection Value : 390V

Vo:20V/DIV

Vo:50V/DIV 500ms/DIV

2s/DIV

OVP point →

0V →

Vo →

OVP point →

0V →

Vo →

Pre-Charge voltage →

TDK-Lambda T-15

EZA2500-32048

2.6 出力立ち上がり、立ち下り特性（RS-485通信によるON/OFF）

Output rise & fall characteristics (ON/OFF Control by RS-485)

(a) 力行　Generation mode

Conditions Vin ：320VDC

Ta ：25Io = 0A(Pre-charge voltage is 32V)

×45%

Io = 52A(Pre-charge voltage is 32V)

×45%

※1半2重通信方式のため、送信信号に対し応答信号が現れます。

By half-duplex communication system, response signal and transmittes signal are output.

Vo = 48V

×45%

Vo:20V/DIV 100ms/DIV Vo:20V/DIV 5s/DIV

×45%

Vo:20V/DIV Vo:20V/DIV 10ms/DIV100ms/DIV

VPC OUT※1→

Vo →

VPC OUT※1→

Vo →

0V→

0V→

TDK-Lambda T-16

EZA2500-32048

2.6 出力立ち上がり、立ち下り特性 (外部RUN信号によるON/OFF)

Output rise & fall characteristics (ON/OFF Control by External terminal)

(a) 力行　Generation mode


Ta ：25Io = 0A(Pre-charge voltage is 32V)

Io = 52A(Pre-charge voltage is 32V)

Vo = 48V

×45% ×45%

VRUN:5V/DIV Vo:20V/DIV VRUN:5V/DIV Vo:20V/DIV

100ms/DIV 20ms/DIV

100ms/DIV 5s/DIV

×45% ×45%


VRUN OUT→

VRUN 0V→

Vo →

VRUN OUT →

VRUN 0V→

Vo →

0V→

0V→

TDK-Lambda T-17

EZA2500-32048

2.6 出力立ち上がり、立ち下り特性（RS-485通信によるON/OFF）

Output rise & fall characteristics (ON/OFF Control by RS-485)

(b) 回生　Regeneration mode


Ta ：25Io =0A(Pre-charge voltage is 260V)

×45%

Io =7.8A(Pre-charge voltage is 260V)

×45%



Vo = 320V

×45%

Vo:100V/DIV 50ms/DIV Vo:100V/DIV 100ms/DIV

×45%


0V→

VPC OUT※1→

Vo →

VPC OUT※1→

Vo →

0V→

TDK-Lambda T-18

EZA2500-32048

2.6 出力立ち上がり、立ち下り特性 (外部RUN信号によるON/OFF)

Output rise & fall characteristics (ON/OFF Control by External terminal)

(b) 回生　Regeneration mode


Ta ：25Io =0A(Pre-charge voltage is 260V)

Io =7.8A(Pre-charge voltage is 260V)

50ms/DIV 20ms/DIV

50ms/DIV 100ms/DIV

×45% ×45%


Vo = 320V

×45% ×45%


VRUNOUT →VRUN 0V→

Vo →

VRUNOUT →

VRUN 0V→

Vo →

0V→

0V→

TDK-Lambda T-19

EZA2500-32048

2.7 0Vランプアップ起動特性

0V ramp up characteristics

(a)RS-485通信によるON/OFF

ON/OFF Control by RS-485

力行　Generation mode Conditions Vin ：320VDC

Ta ：25Io = 52A



(b)外部RUN信号によるON/OFF

ON/OFF Control by External terminal

力行　Generation mode Conditions Vin ：320VDC

Ta ：25Io = 52A

Vo = 48V

×45%

Vo:20V/DIV 500ms/DIV

Vo = 48V

×45%

VRUN:5V/DIV Vo:20V/DIV

500ms/DIV

0V→

VPC※1→

Vo →

0V→

Vo →

VRUN→0V→

TDK-Lambda T-20

EZA2500-32048

2.8 過渡応答（負荷急変）特性 Dynamic load response characteristics

(a)力行 Generation mode

Conditions Vin : 320VDC

Vo=48V Ta : 25

Iout : 26A(50%) 52A(100%) f=5Hz


Conditions Vin : 48VDC

Vo=320V Ta : 25

Iout : 3.9A(50%) 7.8A(100%) f=5Hz

Io:20A/DIV Vo:5V/DIV

50ms/DIV

Load current tr = tf = 1ms

Load current tr = tf = 1ms

Io:20A/DIV Vo:5V/DIV

50ms/DIV

Io →

Io GND →

Io GND →

Vo →

Io →

Vo →

TDK-Lambda T-21

EZA2500-32048

2.9 入力サージ電流（突入電流）特性 Inrush current characteristics

(a)グリッド側 Conditions Vin : 320VDC

Grid side Ta : 25

(b)バッテリ側 Conditions Vin : 48VDC

Battery side Ta : 25

100ms/DIV

×45%

Vin:500V/DIV Iin:2A/DIV

100ms/DIV

×45%

Vin:50V/DIV Iin:2A/DIV

Vin →

Iin →

Vin →

Iin →

TDK-Lambda T-22

EZA2500-32048

2.10 出力電圧リップル、ノイズ波形 Output voltage ripple and noise waveform

(a)力行 Generation mode Conditions

Ta: 25Vin: 320VDC

Vo: 48VDC

50mV/DIV

Io=0A

2µs/DIV

50mV/DIV 2µs/DIV

Io=52A

TDK-Lambda T-23

EZA2500-32048

2.10 出力電圧リップル、ノイズ波形 Output voltage ripple and noise waveform


Ta: 25Vin: 48VDC

Vo: 320VDC

20mV/DIV

Io =0A

2µs/DIV

20mV/DIV 2µs/DIV

Io =7.8A

TDK-Lambda T-24

EZA2500-32048

2.11 E M I 特性Electoro-Magnetic Interference characteristics

雑音端子電圧Conducted Emission

Condition 力行　Generation mode Vin : 320VDC

Io : 52A

Ref.Data

Limit(dBuV)

Measure(dBuV)

QP 73.0 52.7

AV 60.0 33.0

Ref.Data

Limit(dBuV)

Measure(dBuV)

QP 73.0 54.5

AV 60.0 51.7

Phase : -V

Ref.Data

Limit(dBuV)

Measure(dBuV)

QP 73.0 53.0

AV 60.0 33.2

Ref.Data

Limit(dBuV)

Measure(dBuV)

QP 73.0 53.3

AV 60.0 50.6

Phase : +V

EN55011-A,EN55032-Aの限界値はVCCI class Aの限界値と同じLimit of EN55011-A,EN55032-A are same as its VCCI class A.

上記は、尖頭値検波(PK)方式にて測定した波形です。The above is wave measured by the peak detection mode.

Point D(20.54636MHz)

Vo = 48V

Point A(1.21425MHz)

Point B(20.5496MHz)

Point C(1.21721MHz)

AB

CD

VCCI Class AQP Limit

VCCI Class AAV Limit


VCCI Class AAV Limit

TDK-Lambda T-25

EZA2500-32048

2.11 E M I 特性Electoro-Magnetic Interference characteristics

雑音電界強度Radiated Emission

Condition 力行　Generation mode Vin : 320VDC

Io : 52A

HORIZONTAL

VERTICAL

EN55011-A,EN55032-Aの限界値はVCCI class Aの限界値と同じLimit of EN55011-A,EN55032-A are same as its VCCI class A.

上記は、尖頭値検波(PK)方式にて測定した波形です。The above is wave measured by the peak detection mode.

Vo = 48V



TDK-Lambda T-26

EZA2500-32048

2.12 力行・回生切替特性　 Generation and Regenerative switching characteristics

グリッド自律CVモード Charge Discharge

Grid Automonomy CV mode Vin : 320 VDC | 48 VDC

Vo : 48 V | 320 V

Io : 52 A | 7.8 A

Igrid,Ibatの矢印の向きが電流の正です。

EZA2500-32048をグリッド自律モードで動作させています。

グリッド側に接続されているDC電源の出力をON/OFFすることで

力行・回生の切り替えを行います。The direction of Igrid and Ibat arrow is positive current.

EZA2500-32048 is operated in autonomomy CV mode.

Performs switching generation mode and regeneration mode

by turning ON / OFF the DC power supply connected to battery side.

Vgrid:20V/DIV Igrid:10A/DIV

Ibat:50A/DIV 500ms/DIV

Ibat GND →

Igrid GND→

Vgrid →

DischargeDischarge Charge

Igrid→

Ibat →

LoadCV Mode

LoadCC Mode

Grid side

DC Power Supply

320V Output

Battery side

DC Power Supply

48V Output

EZA2500-32048

Grid AutonomomyCV Mode

+ +

- -

Charge

Discharge

When the switch is on

charge mode

When the switch is off

discharge mode

Vbat

IbatIgrid

Vgrid

Switch

ON

Switch

OFF

TDK-Lambda T-27

EZA2500-32048

2.13 出力電圧指令応答特性

Output voltage command responce characteristics


Ta ：25Vin : 320VDC

Io : 41A

(b)回生　Regeneration mode Conditions

Ta ：25Vin : 48VDC

Io : 6.5A



Vo: 36V⇒60V Vo: 60V⇒36V

Vo: 300V⇒380V Vo: 380V⇒300V



VPC OUT※1→

Vo →

Vo→

VPC OUT※1→

0V →

0V→

TDK-Lambda T-28

EZA2500-32048

2.14 定電流指令応答特性

Constant current command responce characteristics


Ta ：25Vin : 320VDC

Vo : 48VDC

(b)回生　Regeneration mode Conditions

Ta ：25Vin : 48VDC

Vo : 320VDC



Io:2A/DIV 10ms/DIV Io:2A/DIV 10ms/DIV

Io: 2.4A⇒52A Io: 52A⇒2.4A

Io: 0.5A⇒7.8A Io: 7.8A⇒0.5A

Vo:20A/DIV 10ms/DIV Vo:20A/DIV 10ms/DIV

0A→

VPC OUT※1→

Io→

VPC OUT※1→

0A→

52A 52A

2.4A 2.4A

0.5A 0.5A

7.8A 7.8A

Io→

TDK-Lambda T-29

EZA2500-32048

2.15 バッテリ保護特性

Battery protection characteristics

(a)グリッド自律モード【充電】 Conditions

Grid Autonomy mode [charge] Ta ：25Vin : 320VDC

Vo : 48VDC⇒60VDC

Battery voltage[Vbat] : 48V ⇒ 60V Battery voltage[Vbat] : 48V ⇒ 60V

Charge current[Ibat] : 26A Charge current[Ibat] : 52A

Battery overcharge protection voltage : 60V Battery overcharge protection voltage value : 60V

充電電流は上記波形では正方向になります。バッテリ電圧Vbatが過充電保護設定電圧まで上昇すると、充電電流Ibatを制限しバッテリ電圧が設定電圧以上にならないよう動作します。Charge current is positive current in the above waveform.

When battery voltage reaches to overcharge protection voltage value,

EZA limits charge current and keeps battery voltage under protection voltage.

2s/DIV 2s/DIV

Ibat:20A/DIVVbat:20V/DIVIbat:20A/DIVVbat:20V/DIV

0V→

Ibat→

0A→

Vbat

60V →(Protection voltage )

Load

CC Mode

Grid side

DC Power Supply

Pre-charge voltage320V

Battery side

DC Power Supply

48V ⇒ 60V

Output

EZA

2500-32048

Grid Autonomomybatterty CC control

+ +

- -

Charge

Vbat

48V⇒60V

IbatIgrid

Vgrid

320V

Battery simulated

TDK-Lambda T-30

EZA2500-32048

2.15 バッテリ保護特性

Battery protection characteristics

(b)グリッド自律モード【放電】 Conditions

Grid Autonomy mode [discharge] Ta ：25Vin : 48VDC⇒36VDC

Vo : 320VDC

Battery voltage[Vbat] 48V ⇒ 36V Battery voltage[Vbat] 48V ⇒ 36V

Discharge current[Ibat] :28A Discharge current[Ibat] :54A

Battery overdischarge protection voltage :36V Battery overdischarge protection voltage :36V

放電電流は上記波形では負方向になります。バッテリ電圧Vbatが過放電保護設定電圧まで低下すると、放電電流Ibatを制限しバッテリ電圧が設定電圧以下にならないよう動作します。Discharge current is negative current in the above waveform.

When battery voltage reaches to overdischarge protection voltage value,

EZA limits discharge current and keeps battery voltage over protection voltage.

2s/DIV 2s/DIV

Vbat:20V/DIV Ibat:20A/DIV Vbat:20V/DIV Ibat:20A/DIV

0V,0A→

Ibat→

Vbat

36V→(Protection voltage)

Load

CV Mode

320V

Grid side

DC Power Supply

Pre-charge voltage260V

Battery side

DC Power Supply

48V ⇒ 36V

Output

EZA

2500-32048

Grid Autonomomybattery CC control

+ +

- -

Discharge

Vbat

48V⇒36V

IbatIgrid

Vgrid

320V

Battery simulated

TDK-Lambda T-31

Documents

EZA2 5 0 0 - 3 2 0 4 8 EVALUATI ON DATA 型式データ...0% 48.004V 48.007V 48.030V 26mV 0.054% 50% 47.886V 47.890V 47.850V 40mV 0.083% 100% 47.787V 47.705V 47.766V 82mV 0.171% load