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固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000

詳細(xì)介紹

固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載固緯PEL-2000可編程直流電子負(fù)載

10組預(yù)置內(nèi)存
可并行操作
支持負(fù)載模擬的序列功能
外部波形控制功能
高精度和高分辨率
可變轉(zhuǎn)換速率
高達(dá)8通道的多通道輸出
過(guò)功率/過(guò)電流/過(guò)電壓/過(guò)溫保護(hù)
延遲控制
USB接口，支持RS-232C,GPIB（選配）
120組設(shè)置內(nèi)存

 

PEL-2000可編程直流電子負(fù)載，此電子負(fù)載可以工作在定電流、定電壓、定電阻模式下，還可模擬各種動(dòng)態(tài)負(fù)載狀況，透過(guò)序列功能進(jìn)行負(fù)載電壓、電流、負(fù)載的上升及下降斜率、電流準(zhǔn)位、持續(xù)時(shí)間等參數(shù)來(lái)編輯負(fù)載波形，同時(shí)提供外部波形信號(hào)控制以及V&I監(jiān)測(cè)功能，測(cè)試參數(shù)及狀態(tài)的存儲(chǔ)可高達(dá)120組，系統(tǒng)可根據(jù)自動(dòng)測(cè)試需求，隨時(shí)由儀器內(nèi)部的儲(chǔ)存單元EEPROM中呼叫出來(lái)使用。

PEL-2000系列包含兩種主控含機(jī)框PEL-2002（可容納雙模組）與PEL-2004（可容納四模組），採(cǎi)用模組化設(shè)計(jì)，協(xié)助使用者保留未來(lái)可能會(huì)運(yùn)用到更高功率需求的擴(kuò)充性，目前提供4款負(fù)載模組分別為：PEL-2020（200W雙通道負(fù)載模組100W*2 ; PEL-2030 （280W雙通道負(fù)載模組30W+ 250W） ; PEL-2040（350W單通道負(fù)載模組）;PEL-2041（350W單通道負(fù)載模組）]，以PEL-2004來(lái)代表zui多可以組成8個(gè)通道同步使用，功率範(fàn)圍200W~350W，電流範(fàn)圍0~70A，電壓範(fàn)圍1~500V，使用者可依據(jù)實(shí)際需求，選擇的負(fù)載模組及控制模組進(jìn)行組合或自組負(fù)載系統(tǒng)，可同步執(zhí)行多組電子負(fù)載模組拉載的應(yīng)用，同時(shí)每個(gè)模組採(cǎi)用隔離與地浮接方式，避免造成短路回路 ; 現(xiàn)今綠能產(chǎn)業(yè)蓬勃發(fā)展，PEL-2000 系列符合各式消費(fèi)性電子及車(chē)用能源設(shè)備測(cè)試的需求，透過(guò)外部排線並聯(lián)控制功能，zui多可以同時(shí)控制五個(gè)主機(jī)框，並讓總體的總使用功率達(dá)到7kVA。

PEL-2000系列配備RS232、USB、GPIB（選配）接口、GO/NG接口，同時(shí)還配備了驅(qū)動(dòng)程序和針對(duì)LabView、VB、C、C++等相關(guān)測(cè)試軟體範(fàn)例。PEL-2000系列主要應(yīng)用於多通道或單通道輸出的AC/DC電源、DC/DC電源模組、充電器及電源類(lèi)電子元件性能的測(cè)試，對(duì)設(shè)計(jì)研發(fā)、生產(chǎn)線測(cè)試及產(chǎn)品檢測(cè)作業(yè)上提供快速有效的測(cè)試方案，同時(shí)具有的OPP、OCP、OVP、OTP、低壓保護(hù)以及正反向極性保護(hù)功能，更大幅提高了產(chǎn)品的可靠性、是工程測(cè)試及自動(dòng)測(cè)試環(huán)境得以信賴(lài)的產(chǎn)品。

 

A. AUTOMATICALLY SEQUENCE FUNCTION
 
The Sequence function allows each channel to change its load sink according to a predefined sequence at a rate of up to 100 s per step. Each sequence is able to run concurrently, under the control of one clock. This is one of the most powerful features of the PEL-2000 Series as it is able to realistically simulate a multi-output power supply load. Under Dynamic mode, the load current or load resistance pulses between two preset levels at a pre-defined speed up to 25 s per step. This is often used as the standard test procedure to verify the response of a power supply to quick load changes.

The picture above is an example of a sequence used as a load profile for a single output switching power supply. A load profile is programmed to simulate the current draw of a power supply load. By using a current probe to acquire a current waveform, the PEL-2000 is able to evaluate the performance of a power supply based on the load sequence that is programmed. An oscilloscope is then used to display the result.
 
B. MULTIPLE OPERATING MODE
 
C.C. （ Constant Current ）
In Constant Current mode, a load unit will sink the amount of current programmed. Regardless of the voltage change, the current will stay the same. Two selectable ranges are available for constant current mode: High （HI） and low （LO） range. Low range has a higher resolution for high precision measurements. If the current exceeds the low range, high range must be used. The PEL-2000 Series offers the maximum rated power for the low measurement range. This unique feature enables high-resolution measurements at high voltage only if the load current doesn't exceed the rated low range level. Both static and dynamic modes are available for CC operation. Static mode can be used for stability tests and Dynamic mode can be used to test transient load performance of a power supply. Go/NoGo is supported for both high and low ranges as well as Static and Dynamic modes.
 
 
C.V. （ Constant Voltage ）
In Constant Voltage mode the load unit will sink current whilst keeping the voltage constant. Under CV mode, single channel load modules support two levels of voltage （A Value, B Value） with a preset cut-off current limit. An A / B button is available on the load module front panels to switch the Constant Voltage between A Value and B Value for power supply load regulation testing. Dual channel load modules only support A Value for CV mode. To accommodate the response of a power supply, response rates during voltage transitions can be set to fast or slow under static test mode.
 
 
C.V.+C.C. （ Constant Voltage + Constant Current ）
When using CV mode, a current limit can be set for CV+CC mode. If the input voltage is greater than the preset CV limit, the channel will operate in CV mode if the input current is less than the preset CC limit. When the input current exceeds the current limit, the channel will operate in CC mode.
 
 
C.R. （ Constant Resistance ）
In Constant Resistance mode the load units will linearly sink current and voltage to match a set resistance. Two different CR values and two different rising and falling slew rates can be set under CR Mode for single channel load modules. Like CC mode, Constant Resistance mode supports both dynamic and static loads. As with the other modes, Go/No Go is also supported.
 
C. PARALLEL DYNAMIC LOADING
 
All the load channels in a PEL-2000 mainframe can be connected in parallel to perform any combination of static or dynamic loading. Under Dynamic mode, the load current or load resistance pulses between two preset levels at a predefined speed of up to 25 s per step. When the channels are connected in parallel, dynamic tests are synchronously clocked. The ability to perform parallel dynamic loading gives you the flexibility to perform dynamic tests to highpower power supplies without the need for a dedicated high power electronic load.
 
D. FRAME LINK
 
The PEL-2000 Series allows multiple mainframes to be linked together with standard MIL 20-pin connectors to provide higher power load capacity. A maximum of 5 mainframes maximum, including one master and 4 slaves, can be chained together to give a 7kW load capacity for high current and high power applications
 
E. RUN PROGRAM
 
Under "Program" mode, up to 12 programs each with 10 panel setup memories, can be edited to create work routines for repetitive tests. After a program has completed, the results of all test steps, including the Go/NoGo judgments will be shown on the screen. Up to 12 programs with a total of up to 120 panel-setup memories can be chained together to be run one after the other.
 
F. PROTECTION MODES
 
The PEL-2000 Series includes a number of protection modes: Over Current Protection （OCP）, Over Voltage Protection （OVP）, Over Power Protection （OPP）, Reverse Voltage Protection （RVP）, and Under Voltage Protection （UVP）. The protection modes are useful to protect both the load modules and the DUT（s）. A buzzer can be set for when a protection setting has been tripped. When a protection mode has been tripped, the load unit will display an alarm and stop sinking current/voltage. When a load unit is operating in CR or CV mode, the unit may need Over Current Protection to prevent excessive current being sunk. Over Current Protection stops the load from sinking more current than its recommended limit and prevents the load from burn-out damage. Over Voltage Protection is used to limit the amount of voltage sunk. If the OVP trips, the PEL-Series load will stop sinking voltage. Over Power Protection is used when the input power exceeds the specifications of the load. When OPP is tripped, the power will cease to be sunk. Reverse Voltage Protection prevents reverse voltage damage to the PEL-2000 Series up to the specified rating. When Reverse Voltage Protection has been tripped, an alarm tone will sound until the reverse voltage is removed. Under Voltage Protection will turn off the load when the voltage drops below a set limit.
 
G. Von VOLTAGE SETTINGS
 
Von Voltage is the voltage limit at which the load will start to sink current. The Von Voltage setting is necessary for some kinds of power supply if a heavy load is connected during load on. There are two operation modes for Von Voltage: Latch ON and Latch OFF. When Von Latch is set to ON, the load starts to sink current when input voltage exceeds Von, and will continue to sink current even if the voltage drops below the Von Voltage later. When Von Latch is set to OFF, the load starts to sink current when input voltage exceeds Von, but will stop sinking current when the voltage drops below the Von voltage setting. This is to prevent the power supply from running into oscillation when the output voltage goes below certain level.
 
H. EXTERNAL CHANNEL CONTROL
 
A six-pin analog control connector is available on the rear panel to externally turn a load on/off and to externally monitor the load input status of each channel, including input current, input voltage, and CC current or CV settings. The Voltage Monitor Output （VMON） and Current Monitor Output （IMON） output the load input voltage and load input current as a percentage of rating current/voltage. Where 0 volts = 0% rating and 10 volts = 100% load input rating voltage or current. The voltage monitor output is across pins 1 & 3, and the current monitor output is across pins 1 & 2. Below shows the pin configuration of the voltage and current monitor outputs.

To turn a load on, an active low voltage （0-1V） must be applied across Load On （pin 5） and GND （pin 1）, similarly an active high voltage （4-5V） must be applied to turn a load off. The Load On input must be TTL.

 

 

PEL-2020（1002）

 

POWER

20W

100W

 

 

CURRENT

0~2A

0~20A

 

 

VOLTAGE

1~80V

 

MIN.OPERATING VOLTAGE（DC）

1.0V at 2A

1V at 20A

 

 

STATIC MODE

CONSTANT CURRENT MODE
  Range

0~2A

0~20A

 

 

  Resolution

0.5mA

5mA

 

 

  Accuracy

±0.1%±0.1%F.S.

±0.1%±0.2%F.S.

 

 

CONSTANT RESISTANCE MODE
  Range

0.075Ω~300Ω（100W/16V）

3.75Ω~15K（100W/80V）

 

  Resolution

12bits

 

  Accuracy

300Ω : ± 0.1ひ ± 0.2%

15KΩ: ± 0.01ひ ± 0.1%

 

CONSTANT VOLTAGE MODE
  Range

1~80V

 

  Resolution

20mV

 

  Accuracy

±0.05% ± 0.1%F.S.

 

DYNAMIC MODE

CONSTANT CURRENT MODE
  T1&T2

0.025mS ~ 10mS / Res : 1uS

1mS ~ 30S / Res : 1mS

 

  Accuracy

1uS / 1mS ± 100ppm

 

  Slew Rate（Accuracy 5%）

0.32 ~ 80mA/uS

3.2 ~ 800mA/uS

 

 

  Slew Rate Resolution

0.32mA/uS

3.2mA/uS

 

 

  Current

0~2A

0~20A

 

 

  Current Resolution

0.5mA

5mA

 

 

  Current Accuracy

±0.4% F.S.

 

MEASUREMENT

VOLTAGE READBACK
  Range

0~16V

0~80V

 

 

  Resolution

0.5mV

2.5mV

 

 

  Accuracy

±0.05% ± 0.05% F.S.

 

 
  Range

0~2A

0~20A

 

 

  Resolution

0.0625mA

0.625mA

 

 

  Accuracy

±0.1% ± 0.1% F.S.

 

PROTECTIVE

Over Power Protection（2%）
 

Range

1~102W

 

 

  Resolution

0.5W

 

 

  Accuracy

 

 

 

Over Current Protection（2%）
 

Range

0~20.4A

 

 

  Resolution

0.05A

 

 

  Accuracy

 

 

 

Over Voltage Protection（2%）
 

Range

1~81.6V

 

 

  Resolution

0.2V

 

 

  Accuracy

 

 

 

 Over Temperature Protection

≒85℃

 

Rated Power Protection（2 %）：
  Value

110W

 

 

  Accuracy

 

 

 

GENERAL

SHORT CIRCUIT
 Current（CC）

≒2.2/2A

≒22/20A

 

 

 Voltage（CV）

0V

0V

 

 

 Resistance（CR）

≒3.75Ω

≒0.075Ω

 

 

INPUT RESISTANCE（LOAD OFF）

800KΩ（Typical）

 

 

 

 

              PEL-2030（250W/30W）
POWER

30W

30W

250W

CURRENT

0~5A

0~4A

0~40A

VOLTAGE

1~80V

MIN.OPERATING VOLTAGE（DC）

1.0V at 5A

1.0V at 4A

1.0V at 40A

STATIC MODE

CONSTANT CURRENT MODE
  Range

0~5A

0~4A

0~40A

  Resolution

1.25mA

1mA

10mA

  Accuracy

±0.1%±0.1%F.S

±0.1%±0.1%F.S

±0.1%±0.2%F.S

CONSTANT RESISTANCE MODE
  Range

0.3Ω~1.2KΩ（30W/16V）

15Ω~60K（30W/80V）

0.0375Ω~150Ω（250W/16V）

1.875Ω~7.5K（250W/80V）

  Resolution

12bits

  Accuracy

12KΩ : ±0.1ひ ± 0.2%

60KΩ: ±0.01ひ ± 0.1%

150Ω : ±0.1ひ ± 0.2%

7.5KΩ: ±0.01ひ ± 0.1%

CONSTANT VOLTAGE MODE
  Range

1~80V

  Resolution

20mV

  Accuracy

±0.05% ± 0.1%F.S.

DYNAMIC MODE

CONSTANT CURRENT MODE
  T1&T2

0.025mS ~ 10mS / Res : 1uS

1mS ~ 30S / Res : 1mS

  Accuracy

1uS / 1mS + 100ppm

  Slew Rate（Accuracy 5%）

0.8 ~ 200mA/uS

0.64 ~ 160mA/uS

6.4 ~ 1600mA/uS

  Slew Rate Resolution

0.8mA/uS

0.64mA/uS

6.4mA/uS

  Current

0~5A

0~4A

0~40A

  Current Resolution

1.25mA

1mA

10mA

  Current Accuracy

±0.4% F.S.

MEASUREMENT

VOLTAGE READBACK
  Range

0~16V

0~80V

0~16V

0~80V

  Resolution

0.5mV

2.5mV

0.5mV

2.5mV

  Accuracy

±0.05% ± 0.05% F.S.

CURRENT READBACK
  Range

0~5A

0~4A

0~40A

  Resolution

0.15625mA

0.125mA

1.25mA

  Accuracy

±0.1% ± 0.1% F.S.

PROTECTIVE

Over Power Protection（2%）
 

Range

1~30.6W

1~255W

  Resolution

0.15W

1.25W

  Accuracy

 

 

Over Current Protection（2%）
 

Range

0~5.1A

0~40.8A

  Resolution

0.0125A

0.1A

  Accuracy

 

 

Over Voltage Protection（2%）
 

Range

1~81.6V

1~81.6V

  Resolution

0.2V

0.2V

  Accuracy

 

 

 Over Temperature Protection

≒85℃

Rated Power Protection（2 %）：
  Value

33W

275W

  Accuracy

 

 

GENERAL

SHORT CIRCUIT
 Current（CC）

≒5.5/5A

≒4.4/4A

≒44/40A

 Voltage（CV）

0V

0V

0V

 Resistance（CR）

≒15Ω

≒0.3Ω

≒1.875Ω

≒0.0375Ω

INPUT RESISTANCE（LOAD OFF）

800KΩ（Typical）

 

 

 

PEL-2040

PEL-2041

POWER

35W

350W

35W

350W

CURRENT

0~7A

0~70A

0~1A

0~10A

VOLTAGE

1~80V

2.5~500V

MIN.OPERATING VOLTAGE（dc）

1.0V at 7A

1V at 70A

2.5V at 1A

2.5V at 10A

STATIC MODE

CONSTANT CURRENT MODE
  Range

0~7A

0~70A

0~1A

0~10A

  Resolution

1mA

10mA

0.2mA

2mA

  Accuracy

±0.1%±0.1%F.S.

±0.1%±0.2%F.S.

±0.1%±0.1%F.S.

±0.1%±0.2%F.S.

CONSTANT RESISTANCE MODE
  Range

0.025Ω~100Ω（350W/16V）

1.25Ω~5K（350W/80V）

1.25Ω~5KΩ（350W/125V）

50Ω~200K（350W/500V）

  Resolution

12bits

12bits

  Accuracy

100Ω : ±0.1ひ ± 0.2%

5KΩ: ±0.01ひ ± 0.1%

5KΩ : ±0.02ひ ± 0.2%

200KΩ: ±0.005ひ ± 0.1%

CONSTANT VOLTAGE MODE
  Range

1~80V

2.5~500V

  Resolution

20mV

100mV

  Accuracy

±0.05% ± 0.1%F.S.

±0.05% ± 0.1%F.S.

DYNAMIC MODE

CONSTANT CURRENT MODE
  T1&T2

0.025mS ~ 10mS / Res : 1uS

1mS ~ 30S / Res : 1mS

0.025mS ~ 10mS / Res : 1uS

1mS ~ 30S / Res : 1mS

  Accuracy

1uS / 1mS ± 100ppm

1uS / 1mS ± 100ppm

  Slew Rate（Accuracy 5%）

0.001 ~ 0.28A/uS

0.01 ~ 2.8A/uS

0.16 ~ 40mA/uS

1.6 ~ 400mA/uS

  Slew Rate Resolution

0.001A/uS

0.01A/uS

0.16mA/uS

1.6mA/uS

  Current

0~7A

0~70A

0~1A

0~10A

  Current Resolution

1mA

10mA

0.2mA

2mA

  Current Accuracy

±0.4% F.S.

±0.4% F.S.

MEASUREMENT

VOLTAGE READBACK
  Range

0~16V

0~80V

0~125V

0~500V

  Resolution

0.5mV

2.5mV

4mV

16mV

  Accuracy

±0.05% ± 0.05% F.S.

±0.05% ± 0.05% F.S.

CURRENT READBACK
  Range

0~7A

0~70A

0~1A

0~10A

  Resolution

0.175mA

1.75mA

0.032mA

0.32mA

  Accuracy

±0.1% ± 0.1% F.S.

±0.1% ± 0.1% F.S.

PROTECTIVE

Over Power Protection（2%）
 

Range

1~357W

1~357W

  Resolution

1.75W

1.75W

  Accuracy

 

 

Over Current Protection（2%）
 

Range

0~71.4A

0~10.2A

  Resolution

0.175A

0.025A

  Accuracy

 

 

Over Voltage Protection（2%）
 

Range

1~81.6V

1~510V

  Resolution

0.2V

1.25V

  Accuracy

 

 

 Over Temperature Protection

≒85℃

≒85℃

Rated Power Protection（2 %）：
  Value

385W

385W

  Accuracy

 

 

 

GENERAL

SHORT CIRCUIT
 Current（CC）

≒7.7/7A

≒77/70A

≒1.1/1A

≒11/10A

 Voltage（CV）

0V

0V

0V

0V

 Resistance（CR）

≒1.25Ω

≒0.025Ω

≒50Ω

≒1.25Ω

INPUT RESISTANCE（LOAD OFF）

800KΩ（Typical）

800KΩ（Typical）

 

 

 

 

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