绝缘油电压击穿测试仪 常规型号：
BDJC-10KV（1万伏）一般厚度为1-3mm
BDJC-30KV（3万伏）推荐可测厚度2-3mm
BDJC-50KV（5万伏）推荐可测厚度为2-3mm
BDJC-100KV（10万伏）推荐可测厚度为2-5mm
BDJC-150KV（15万伏） 推荐可测厚度为1-6mm
绝缘油电压击穿测试仪 Conventional models:
BDJC-10KV (10000 volts) generally has a thickness of 1-3mm
BDJC-30KV (30000 volts) recommended measurable thickness 2-3mm
BDJC-50KV (50000 volts) recommends a measurable thickness of 2-3mm
BDJC-100KV (100000 volts) recommends a measurable thickness of 2-5mm
BDJC-150KV (150000 volts), recommended measurable thickness is 1-6mm
适用材料：
主要适用于固体绝缘材料如：电线套管、树脂和胶、浸渍纤维制品、云母及其制品、塑料薄膜、陶瓷、玻璃、绝缘漆、硫化橡胶、电缆纸、绝缘漆漆膜、硬质橡胶、纸板等绝缘介质在空气或液体介质中，测量工频（48~62Hz）或对应直流电压下击穿强度和耐电压时间。适用于连续均匀升压或逐级升压的方式，对试样施加交流/或直流，电压直至击穿，测量击穿电压值，计算试样的击穿强度；用迅速升压的方法，将电压升到规定值，保持一定的时间试样不击穿，定此时规定值为试样的耐电压值。
Applicable materials:
Mainly suitable for measuring the breakdown strength and withstand voltage time of solid insulation materials such as wire sleeves, resins and adhesives, impregnated fiber products, mica and its products, plastic films, ceramics, glass, insulation paint, vulcanized rubber, cable paper, insulation paint film, hard rubber, cardboard, etc. in air or liquid media at power frequency (48-62Hz) or corresponding DC voltage. Suitable for continuous and uniform boosting or stepwise boosting, apply AC/or DC voltage to the sample until breakdown, measure the breakdown voltage value, and calculate the breakdown strength of the sample; Using a rapid voltage increase method, raise the voltage to the specified value and maintain the sample without breakdown for a certain period of time. The specified value at this time is the withstand voltage value of the sample.
击穿电压也是评定绝缘油(包括变压器油、电容器油、电缆油等)电气性能的一项指标，可用来判断绝缘油含水和其他悬浮物污染的程度，以及对注入设备前油品干燥和过滤程度的检验。
对清净干燥的油施加一个逐渐升高的电压时，在电压的负会发射电子，当电子具有足够能量时，可使油分子微化离解，于是整个离解过程随电压升高而加强，当达到某一个电压后，会产生大量传导电流而形成电弧，这种现象被称为击穿，此时的电压被称为击穿电压。若油中有水或固体物存在时，则会使击穿电压变小，这是由于水和固体物的导电性均比油大之缘故。运行油中的击穿电压低是变压器工作危险的信号。
对于变压器油国内外标准，规定的击穿电压一般在40-50 kV ，高的达60kV 甚至更多。
The breakdown voltage is also an indicator for evaluating the electrical performance of insulation oil (including transformer oil, capacitor oil, cable oil, etc.), which can be used to determine the degree of water content and other suspended matter pollution in insulation oil, as well as to inspect the degree of drying and filtration of oil before injection into equipment.
When a gradually increasing voltage is applied to clean and dry oil, electrons will be emitted at the negative end of the voltage. When the electrons have sufficient energy, they can cause the oil molecules to undergo micro dissociation. Therefore, the entire dissociation process strengthens with the increase of voltage. When a certain voltage is reached, a large amount of conductive current will be generated, forming an arc. This phenomenon is called breakdown, and the voltage at this time is called breakdown voltage. If there is water or solid in the oil, it will reduce the breakdown voltage because the conductivity of water and solid is higher than that of oil. The low breakdown voltage in the operating oil is a signal of the danger of transformer operation.
For domestic and foreign standards for transformer oil, the prescribed breakdown voltage is generally between 40-50 kV, with some reaching up to 60kV or even more.
注意事项：
1、仪器安装时应具有独立的接地线。
2、在开机前，操作者要首先熟悉操作方法。
3、仪器不能在有强烈腐蚀性气体及有颗粒杂质的气体环境中使用。
4、试验环境温度15度到25度之间，相对湿度60％到70％之间
5、试样击穿瞬间有火花产生并伴有声响，属正常现象。
6、每次更换试样或接触高压电极时必须用高压放电棒对高压电极进行放电，放电时间5秒以上。
7、每次进行试验前，必须检查仪器接地。
Notes:
1. The instrument should have an independent grounding wire during installation.
2. Before starting up, the operator should first familiarize themselves with the operating methods.
3. The instrument should not be used in gas environments with strong corrosive gases and particulate impurities.
4. The experimental environment temperature is between 15 ° C and 25 ° C, and the relative humidity is between 60% and 70%
5. Sparks are generated and accompanied by sound at the moment of sample breakdown, which is a normal phenomenon.
6. Each time the sample is replaced or the high-voltage electrode is in contact, a high-voltage discharge rod must be used to discharge the high-voltage electrode for at least 5 seconds.
7. Before each experiment, the instrument grounding must be checked.
绝缘介电强度试验与绝缘电阻测试
绝缘介电强度试验是在相互绝缘的部件之间或绝缘的部件与地之间,在规定时间内施加规定的电压,以此来确定电机在额定电压下能否安全工作,能否耐受由于开关、浪涌及其它类似现象所导致的过电压的能力,从而评定电机绝缘材料或绝缘间隙是否合适。如果电机有缺陷,则在施加试验电压后,会产生击穿放电或损坏。击穿放电表现为飞弧(表面放电)、火花放电(空气放电)或击穿(击穿放电)现象。过大的漏电流可能引起电参数或物理性能的改变 。
绝缘介电强度试验与绝缘电阻测试是不能等同的。清洁、干燥的绝缘体尽管具有高的绝缘电阻,但却可能发生不能经受绝缘介电强度试验的故障;反之,一个脏的、损伤的绝缘体,其绝缘电阻虽然低,但在高电压下也可能不会被击穿。由于绝缘部件是由不同材料制成或是由不同材料合成的,它们的绝缘电阻各不相同。因此,绝缘电阻的测试不能代表对清洁度或无损伤程度的直接量度。但是,这种测试对确定高温、潮湿、污物、氧化或挥发性材料等对绝缘特性影响程度是极为有益的 。
事实上,一台由于过热而使绝缘材料已经老化变脆的电机,其绝缘电阻仍可高达100MΩ,但却无法通过绝缘介电强度试验。绝缘电阻测试对绝缘材料受潮特别敏感,对绝缘材料老化则显得力不从心。
绝缘介电强度试验一般采用50Hz正弦波交流电,而绝缘电阻测试均采用直流电。
Insulation dielectric strength test and insulation resistance test
The insulation dielectric strength test is the application of a specified voltage within a specified time period between insulated components or between insulated components and ground, in order to determine whether the motor can operate safely at rated voltage and whether it can withstand overvoltage caused by switches, surges, and other similar phenomena, and to evaluate whether the insulation material or insulation gap of the motor is suitable. If the motor has defects, breakdown discharge or damage may occur after applying the test voltage. The breakdown discharge is manifested as flashover (surface discharge), spark discharge (air discharge), or breakdown (breakdown discharge) phenomenon. Excessive leakage current may cause changes in electrical parameters or physical properties.
The insulation dielectric strength test and insulation resistance test cannot be equated. Although clean and dry insulators have high insulation resistance, they may fail to withstand insulation dielectric strength tests; On the contrary, a dirty and damaged insulator, although its insulation resistance is low, may not be broken down under high voltage. Due to the fact that insulation components are made of different materials or synthesized from different materials, their insulation resistance varies. Therefore, the testing of insulation resistance cannot fully represent a direct measurement of cleanliness or undamaged degree. However, this type of testing is extremely beneficial for determining the degree of impact of high temperature, humidity, dirt, oxidation, or volatile materials on insulation characteristics.
In fact, a motor whose insulation material has aged and become brittle due to overheating can still have an insulation resistance of up to 100M Ω, but it cannot pass the insulation dielectric strength test. The insulation resistance test is particularly sensitive to moisture in insulation materials, and it is inadequate for aging insulation materials.
The insulation dielectric strength test generally uses 50Hz sine wave alternating current, while the insulation resistance test uses direct current.
电极和试样
金属电极应始终保持光滑、清洁和无缺陷。
注1：当对薄试样进行试验时，电极的维护格外重要。为了在击穿时尽量减小电极损伤，优先采用不锈钢电极。
接到电极上的导线即不应使得电极倾斜或其他移动或使得试样上压力变化，也不应使得试样周围的电场分布受到显著影响。
注2：试验非常薄的薄膜（例如：<μm厚)时,这些材料的产品标准应规定所用的电极、操作的具体程序和试样的制备方法。
Electrodes and specimens
Metal electrodes should always be smooth, clean, and defect free.
Note 1: When testing thin specimens, electrode maintenance is particularly important. In order to minimize electrode damage during breakdown, stainless steel electrodes are preferred.
The wire connected to the electrode should not tilt or move the electrode or cause pressure changes on the sample, nor should it significantly affect the distribution of the electric field around the sample.
Note 2: Test very thin films (e.g.:< μ When the thickness is m, the product standards for these materials should specify the electrodes used, the specific procedures for operation, and the preparation method for the samples.
交直流实验的切换
1）本仪器高压输出为交流电压。直流的获得方式为在原回路中串入高压硅堆，使测试回路为脉动的直流电压。实现的过程为：硅堆已经在高压变压器的高压绝缘塔中，平时用一个短路杆把高压硅堆短接。需要直流试验时，取出短路杆，使高压硅堆接入测试电路中，这时回路的电压为脉动的直流电压。
2）前面板直流交流选择按钮。该按钮的状态不能改变设备输出的电压性质。按下该按钮，设备仅仅是把直流报警电路接入。指示用户，当打开箱门时，您需要对高压均压球放电。转动放电杆，使放电杆的端部铜球接触高压均压球。建议用户每次放电铜球接触高压均压球时间大于五秒。
3）试验的交直流电压切换，主要取决于高压绝缘塔中的短路杆是否取出。当取出短路杆时，高压均压球上的电压为直流电压，插入短路杆时，高压均压球上的电压为交流电压。
Switching between AC and DC experiments
1) The high-voltage output of this instrument is AC voltage. The method of obtaining direct current is to connect a high-voltage silicon stack in series in the original circuit, making the test circuit a pulsating direct current voltage. The implementation process is as follows: the silicon stack is already in the high-voltage insulation tower of the high-voltage transformer, and a short-circuit pole is usually used to short circuit the high-voltage silicon stack. When a DC test is required, remove the short-circuit rod and connect the high-voltage silicon stack to the test circuit. At this time, the voltage of the circuit is a pulsating DC voltage.
2) Front panel DC AC selection button. The status of this button cannot change the voltage nature of the device output. Pressing this button only connects the DC alarm circuit to the device. Instruct the user that when opening the box door, you need to discharge the high-voltage equalizing ball. Rotate the discharge rod so that the copper ball at the end of the discharge rod contacts the high-voltage equalizing ball. It is recommended that the user press the copper ball for more than five seconds each time it comes into contact with high voltage during discharge.
3) The switching of AC/DC voltage in the experiment mainly depends on whether the short-circuit rod in the high-voltage insulation tower is removed. When the short-circuit rod is removed, the voltage on the high-voltage equalizing ball is DC voltage, and when the short-circuit rod is inserted, the voltage on the high-voltage equalizing ball is AC voltage.
本仪器具有比较完善的安全防护措施：
本仪器具有多重防护措施，保证操作人员的人身安全
1、门限位保护：不关门，即使通电点实验开始，设备无任何反应，软件有:安全门未关闭提示。
2、电压归零保护：如果在实验过程中，突然断电，下次开机后，会自动回到零位，保证初始电压为
在零位
3、终止电压保护：可以通过软件设定终止电压，保证在升压过程中如果出现异常升到的电压后，
自动终止并归零
4、高压机械限位：如果软件系统失去控制，电压继续往上升，到高压限位后自动归零
5、如果在击穿后未判停，通过过流保护器采集数据保证电压自动归零
6、有高压指示灯，通过观察指示灯的状态来判断实在升压还是在零位
7、如果长时间做实验，为保证设备的良好运行，设备留有变压器排气口，保证变压器的良好运行，
增长使用寿命
8、如果在实验中，试样有异味或者出现燃烧和冒烟现象，可以通过排风系统进行排除。
9、独立接地保护
10、短路保护
11、软件误操作保护
12、漏电保护
13、实验结束放电保护
This instrument has relatively complete safety protection measures:
This instrument has multiple protective measures to ensure the personal safety of operators
1. Door limit protection: Do not close the door, even if the power point experiment starts, the device has no response, and the software has a warning that the safety door is not closed.
2. Voltage zeroing protection: If there is a sudden power outage during the experiment, it will automatically return to the zero position after the next startup, ensuring that the initial voltage is
At zero position
3. Termination voltage protection: The termination voltage can be set through software to ensure that if there is an abnormal rise to the specified voltage during the boosting process,
Automatically terminate and reset to zero
4. High voltage mechanical limit: If the software system loses control, the voltage continues to rise and automatically returns to zero after reaching the high voltage limit
5. If the fault is not detected after breakdown, data is collected through an overcurrent protector to ensure that the voltage automatically zeros out
6. There is a high-voltage indicator light, and by observing the status of the indicator light, it can be determined whether the boost is actually in the zero position or not
7. If conducting experiments for a long time, in order to ensure the good operation of the equipment, a transformer exhaust port should be left on the equipment to ensure the good operation of the transformer,
Increase service life
8. If there is any odor or combustion or smoke in the sample during the experiment, it can be eliminated through the exhaust system.
9. Independent grounding protection
10. Short circuit protection
11. Software Misoperation Protection
12. Leakage protection
13. End of experiment discharge protection
整机组成：
升压部件：由调压器和高压变压器组成0～50KV的升压部分。动部件：由步进电机均匀调节调压器使加给高压变压器的电压变化。检测部件：由集成电路组成的测量电路。通过信号线把检测的模拟信号和开关信号传给计算机。计算机软件：通过智能电路把由检测设备采集的测控信号传给计算机。计算机根据采集的信息控制设备运行并处理试验结果。试验电极：根据国家标准(1408.1-2006)随设备提供三个电极，规格为：Ф25mm×25mm两个；Ф75mm×25mm一个。（订做除外）
Overall composition:
Boosting component: The boosting part of 0-50KV is composed of a voltage regulator and a high-voltage transformer. Moving parts: The voltage regulator is uniformly adjusted by a stepper motor to change the voltage applied to the high-voltage transformer. Detection component: a measurement circuit composed of integrated circuits. Send the detected analog signals and switch signals to the computer through signal lines. Computer software: transmits the measurement and control signals collected by the detection equipment to the computer through intelligent circuits. The computer controls the operation of the equipment based on the collected information and processes the test results. Test electrodes: According to the national standard (1408.1-2006), three electrodes are provided with the equipment, with specific specifications as follows: Ф Two 25mm x 25mm; Ф One 75mm x 25mm. (Excluding customization)
电气强度测试(electric strength test)又称耐压测试。简单点说，任何电气设备都有一个绝缘强度，不同额定电压的绝缘强度不一样。当超过一定电压等级后，设备的绝缘就会被击穿。电气强度测试就是看在给被测设备加一定的高电压（可以参考IEC标准或者国标），看是否会导致击穿。如果不击穿，则通过，击穿则说明不合格。
一般在设备出厂前做这个试验，在现场可能仅仅是摇绝缘就可以了。另外，该试验是破坏性试验，一旦击穿，不可修复。
电气强度测试(electric strength test)又称耐压测试，是围绕绝缘材料被击穿后呈现出导体特性的特点,考察相关电参数的变化特征,以此判定绝缘材料是否被击穿。
Electrical strength test, also known as voltage withstand test. Simply put, any electrical equipment has an insulation strength, and the insulation strength varies with different rated voltages. When the voltage level exceeds a certain level, the insulation of the equipment will be broken down. Electrical strength testing is to apply a certain high voltage to the tested equipment (can refer to IEC standards or national standards) to see if it will cause breakdown. If it does not break through, it passes. If it breaks through, it indicates that it is unqualified.
Usually, this test is conducted before the equipment leaves the factory, and on site, it may only be necessary to shake the insulation. In addition, this test is destructive and cannot be repaired once it is broken down.
Electrical strength test, also known as voltage withstand test, is a test that focuses on the characteristics of insulating materials that exhibit conductor characteristics after being broken down, examining the changes in relevant electrical parameters to determine whether insulating materials have been broken down
试验方式：
1、绝缘试样空气中击穿、耐压试验或阶梯试验；
2、绝缘试样浸油中击穿、耐压试验或阶梯试验；
注：根据用户要求，可定制其他试验方式。
Test method:
1. Air breakdown, withstand voltage test or step test for insulation samples;
2. Electrical breakdown, withstand voltage test or step test of insulation samples immersed in oil;
Note: Other testing methods can be customized according to user requirements.
