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PEL-2000 ya
10 seti ya kumbukumbu preset inaweza kufanya kazi sambamba inasaidia kazi mfululizo wa mzigo simulation nje waveform kudhibiti kazi . .....
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PEL-2000 Programu ya mzigo wa elektroniki ya DC, mzigo huu wa elektroniki unaweza kufanya kazi katika hali ya sasa ya kawaida, voltage ya kawaida, upinzani wa kawaida, pia inaweza simulate hali mbalimbali za mzigo yenye nguvu, kupitia kazi ya mfululizo kwa ajili ya mzigo wa voltage, sasa, mzigo wa kuongezeka na kushuka kwa inclination, sasa orientation, muda na vigezo vingine kuhariri mawimbi ya mzigo, wakati huo huo huo hutoa udhibiti wa ishara ya mawimbi ya nje na V&I Kazi ya ufuatiliaji, vipimo vya mtihani na hali ya kuhifadhi inaweza kuwa hadi seti 120, mfumo unaweza kulingana na mahitaji ya mtihani moja kwa moja, wakati wowote na kitengo cha kuhifadhi ndani ya chombo EEPROM kupiga simu kwa kutumia.

PEL-2000 mfululizo ina aina mbili ya kudhibiti frame PEL-2002( inaweza kuchukua moduli mbili) na PEL-2004( Inaweza kuchukua moduli nne), kutumia kubuni modular, kusaidia watumiaji kuhifadhi upanuzi wa baadaye inaweza kutumika kwa mahitaji ya nguvu ya juu, sasa inapatikana moduli nne mzigo ni: PEL-2020(200W Moduli ya mzigo wa njia mbili 100 W*2 ; PEL-2030 (280W Moduli ya mzigo wa njia mbili 30 W+ 250W) ; PEL-2040(350W moja channel mzigo moduli); PEL-2041(350W moja channel mzigo moduli)] kwa PEL-2004 Kuwakilisha inaweza kuunda hadi 8 channels kwa matumizi sawa, nguvu mbalimbali 200 W~350W, sasa mbalimbali 0 ~ 70 A, Voltage mbalimbali 1 ~ 500 V, Mtumiaji anaweza kulingana na mahitaji halisi, kuchagua mzigo moduli na moduli ya udhibiti kwa ajili ya mchanganyiko au kujiunga mzigo mfumo, inaweza sambamba kutekeleza seti nyingi za elektroniki mzigo moduli kuvuta mzigo maombi, wakati huo huo kila moduli kutumia kutengwa na ardhi floating njia, kuepuka kusababisha mzunguko mfupi; Viwanda vya nishati ya kijani vinaendelea sasa. PEL-2000 mfululizo kukutana na mahitaji ya vifaa mbalimbali vya umeme wa watumiaji na vifaa vya nishati vya magari kupima, kupitia kazi ya kudhibiti sambamba ya mstari wa nje, inaweza kudhibiti hadi masanduku matano ya mwenyeji wakati mmoja na kufanya jumla ya matumizi ya nguvu kufikia 7 kVA。

PEL-2000 vifaa mfululizo RS232、USB、GPIB( interface ya kuchagua, GO/NG interface wakati huo huo pia vifaa na dereva na lengo LabView、VB、C、C++ Mifano ya programu ya mtihani. PEL-2000 Series hasa kutumika kwa njia mbalimbali au moja channel pato AC/DC umeme, DC/DC Vipimo vya utendaji wa moduli ya nguvu, chaja na vipengele vya umeme vya nguvu, kutoa mpango wa haraka na ufanisi wa mtihani wa kubuni utafiti na maendeleo, mtihani wa mstari wa uzalishaji na kazi ya uchunguzi wa bidhaa, wakati huo huo OPP、OCP、OVP、OTP、 Ulinzi wa shinikizo la chini na kazi ya ulinzi wa polar ya halisi na ya nyuma, kuboresha zaidi uaminifu wa bidhaa, ni bidhaa zinazotegemeka kwa majaribio ya uhandisi na mazingira ya majaribio ya moja kwa moja.

mzigo wa elektroniki PEL-2000 Utangulizi wa kazi ya msingi 2 (Vsense; ulinzi)http://v.youku.com/v_show/id_XMTQwMjUyNTMzNg==.html?spm=a2hzp.8253869.0.0

mzigo wa elektroniki PEL-2000 Utangulizi wa Kazi ya Msingi 6 (Matumizi ya GO-NOGO)http://v.youku.com/v_show/id_XMTQwMjUyMzc1Mg==.html?spm=a2h0j..listitem_page1.5 !24~A

mzigo wa elektroniki PEL-2000 Utangulizi wa Kazi ya Msingi 5 (Matumizi ya Parallel)http://v.youku.com/v_show/id_XMTQwMjUyMTgzNg==.html?spm=a2h0j..listitem_page1.5 !25~A

mzigo wa elektroniki PEL-2000 Utangulizi wa Kazi ya Msingi 4 (Matumizi ya Sequence)http://v.youku.com/v_show/id_XMTQwMjUxOTcwNA==.html?spm=a2hzp.8253869.0.0

mzigo wa elektroniki PEL-2000 Mapendekezo ya msingi 3 (Matumizi ya Preset)http://v.youku.com/v_show/id_XMTQwMjUxODgwOA==.html?spm=a2hzp.8253869.0.0

mzigo wa elektroniki PEL-2000 Utangulizi wa kazi ya msingi 1 (mode, channel kubadili)http://v.youku.com/v_show/id_XMTQwMjUxNjYyOA==.html?spm=a2hzp.8253869.0.0

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.

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