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Ningbo Generator Rental especially recommends the integrity service provider (Rixin Power Technology) with excellent prices and new quality 15088860848
The types are:
◆ Open-type diesel generator: ordinary generator set, suitable for customers who have a power house or a full range of rainproof facilities. Disadvantages of open-type generator set rental: ● It is louder than the silent type generator set and is not suitable for use in environmental conditions requiring very low noise; ● It cannot be used outdoors in rainy or snowy days.
◆ Anti-speaker diesel generator: Silent unit, ● Suitable for places with strict requirements on environmental noise, such as large concerts, exhibition halls, urban subway construction, etc. The noise is generally 75 decibels, and the ultra-quiet type is within 60 decibels . Disadvantages of silent generator leasing: ● The unit itself is heavier than the open type unit, and the long-distance transportation cost is high. ● Not suitable for use in high temperature environments. ● Not affected by weather, can be used outdoors in rainy or snowy days.
◆ Rainproof diesel generator: suitable for customers without rainproof facilities.
◆ Diesel diesel generator of trailer power station: ● Applicable to the power supply of equipment that is often moved in short distances, such as tunnel engineering construction, road construction, etc. ● There are simple rain-proof type and low-noise type. ● It can be used outdoors in rainy or snowy days. Disadvantages of mobile generators: ● The unit itself is heavier than open-type units, and the cost of long-distance transportation is high.
◆ Self-tank diesel generator set: suitable for short-term or temporary rental customers.
Generator rental power range:
Rental of low-power generating units: 50-200KW units.
Rental of medium power generating units: 300-900KW units.
Rental of high-power generating units: 1000-1600KW units.
Extra-high-power generator set rental: Multiple units are connected in parallel and flexible combination can form a large power station of 1600KW-10000KW. We can minimize your losses due to power failure
The generator rental service center of Ningbo Rixin Power Technology Co., Ltd. has brand new used and reliable diesel generator sets. Before you arrive at the site, follow the strict procedures to maintain the generator set to ensure that you will arrive at your leased site with the most productive and reliable power equipment. Convenient and flexible leasing methods, which can provide you with long-term, short-term and temporary electricity leasing services. There are several types of leasing methods for users to choose from:
1. Our company is responsible for the power generation service. We will send a special person to the site to generate electricity for users, and send operating technicians to implement monitoring.
2. Our company provides power generation equipment, is responsible for the installation and operation of power generation equipment, supplies power generation equipment supplies such as cables, parallel cabinets, ATS conversion cabinets, etc. Party A can provide the venue.
◆ Rixin Power Technology Generator Rental Service Center provides you with the latest technology and equipment. The diesel generator sets we rent are from well-known brand suppliers, applying the most cutting-edge technology today.
◆ No maintenance costs: Now you can stop having to spend a lot of money on repairs, repair tools and accessories, and you can also get rid of the tiresome maintenance records completely. We do all the work for you. Our lease agreement uniquely covers equipment maintenance, so you no longer have to worry about it.
◆ No storage costs: You don't need to store the equipment yourself. After using the device, just call us and we will send someone to take the device away quickly.
◆ No capital investment required: Leasing does not occupy your commercial capital. You pay only for the equipment you need to complete a specific job. By renting equipment at Rixing Power Technology Leasing Service Center, you can invest the remaining money in other aspects of your business and earn more profits. Keep you away from the cost of owning equipment.
◆ Reduce manpower requirements: Our diesel generator sets are equipped with skilled operators, saving you time and money in training and hiring employees. You also do not need to train your own technicians, as our highly trained technicians will maintain the machinery and maintain their excellent performance.
◆ There is no equipment depreciation problem: It is expensive to purchase diesel generator equipment. The value of generating set equipment will gradually decrease over time. Rixing Power Technology Leasing Service Center allows you to use the latest technology diesel generator set equipment, and also saves you from worrying about expensive depreciation costs. Never again use old equipment to complete the work.
◆ Try before you buy: Maybe you are considering buying a certain generator set equipment and also want to try whether it is suitable for you before buying. Rixing Power Technology Rental Service Center is fully equipped. What could be more suitable than renting a similar machine for trial use with us?
◆ Complement your core needs: Your power needs are always changing, and you also need to keep up with customer needs. Maybe sometimes you don't have the power equipment you need to get the job done, but this is exactly what we have. Trust Rixing Power Technology Leasing Service Center, we will quickly provide you with the power equipment you need to complete your work.
◆ Responsive service: Our technically proficient team can provide you with consultation on the lease and use of diesel generator sets. We will strive to be your trusted leasing company and service provider to make your production easier. Just a call and we'll troubleshoot for you.
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Generator Lease Glossary
50 或60 赫兹。 Alternating current means that the current varies between a positive and negative maximum at a specific frequency, usually 50 or 60 Hz.
American National Standards Institute
American National Standards Institute
Sound materials, especially materials with sound absorption or sound insulation characteristics.
kW ），是指发电机组实际供应给负载的功率，它由发电机组的发动机提供，受到发动机马力大小的限制。 Active power ( kW ) refers to the power actually supplied to the load by the generator set. It is provided by the engine of the generator set and is limited by the engine horsepower. Heating and driving motor rotation are accomplished by active power.
Air circuit breaker
The function of the air circuit breaker is to automatically open when the current exceeds the overcurrent trip setting value of the circuit breaker. Air is the insulating medium between live parts and grounded metal parts.
The damping coils of synchronous alternators refer to the wires embedded between the rotor's magnetic poles. They are connected by end rings or end plates respectively at the two poles. The main function is to reduce the waveform distortion caused by load changes.
The current carrying capacity is defined by the amperage of the conductor's safe current carrying capacity.
Amperes are units of current. 欧姆的电阻上就会产生1 安培的电流。 1 volt applied to a 1 ohm resistor will produce 1 amp.
The indicator as an accessory is often used to remotely display the operating status of various components of the system. The indicator is usually used in applications where the monitoring device is not on site. The National Fire Protection Association has special requirements for the application of indicators in certain industries, such as hospitals.
kVA 表示。 Apparent power is the product of the combined action of current and voltage and is expressed in kVA . ）除以功率因数。 It is equal to the active power (kW ) divided by the power factor.
The armature of the alternator is an assembly of a metal core and a winding, which generates an induced voltage. The armature is the stationary part (stator) of a rotating magnetic field alternator.
Backup protection device
The backup protection device is a protection device that acts when other protection devices fail or fail.
The amount of data that can be transmitted within a fixed time. / 秒或字／秒表示，在模拟（数字）设备中以周/ 秒或者赫兹表示。 It is expressed in bits / seconds or words / seconds in digital devices, and in weeks / seconds or hertz in analog (digital) devices .
是构成负荷需求曲线的基数。 The basic load refers to the constant part of the load demand of the building and is the base of the load demand curve.
The serial data transmission rate is approximately equal to the number of bits transmitted per second. / 秒也可以用BPS 表示，kBPS 表示千比特/ 秒。 Bits / second can also be expressed in BPS , kBPS means kilobits / second.
LonWorks 软件绑定。 The process of logically connecting to the network (also called connection), including binding output variables to input variables with LonWorks software.
Black start refers to a start that relies on the internal power of the system and does not rely on external power.
2 种状态之一的逻辑系统，例如开或关（是或否，1 或0 等）。 A logical system used to represent one of two states, such as on or off (yes or no, 1 or 0, etc.).
Busbar capacity refers to the maximum load that the system can drive without the generator frequency being lowered.
Current transformer is a kind of instrument transformer, usually used with ammeter, control circuit and protection relay.
A circuit is a path through which a current passes through a potential (voltage).
A circuit breaker is a protection device. When the current passing through it exceeds a certain safety setting for a certain period of time, it can automatically cut off the current. (See air circuit breakers, main switches, molded case circuit breakers, etc.).
Harmonic circulating current is the current generated by different voltage waveforms or non-linear load operation between parallel power sources.
3 个小时或更长时间（根据NEC 的定义）内需保持最大值的负荷。 Continuous load refers to the load that needs to maintain the maximum current for 3 hours or more (according to the definition of NEC ).
Current is the flow of charge in amps.
Cycle refers to the reciprocating process of alternating current or voltage from zero to positive maximum to zero, then from zero to negative maximum to zero; and frequency refers to the number of cycles that can be completed per second.
An unpowered busbar means that the power connection between the output of the parallel-connected generator set is in an unpowered state. The busbars referred to here may be hard solid bus bars or flexible insulated cables.
Delta ，负荷线连接在三角形的角上。 The triangular connection refers to the three-phase connection in which two adjacent phases are connected end to end, forming the triangular Greek letter Delta , and the load line is connected at the corners of the triangle.
As a protection device, differential relays provide feedback information from current transformers located at two different locations in the system. The differential relay compares the currents. If there are differences, it means that there is a fault in the protected area. These devices are often used to protect the coils of a generator or transformer.
Digital master controller
The digital master controller is a device for controlling the power system of the equipment. Digital master controllers are optional in Cummins switchgear.
DC refers to the current without the positive and negative polarity changing back and forth. Ningbo Generator Rental Center Cummins Volvo Perkins Carter CAT Diesel Generator
Distributed control system
A distributed control system is composed of nodes that are distributed in different locations but interact with each other. Each node is intelligent and can control the operation of its own system. The communication status and control information exchange between different parts of the system constitute a distributed control system. The communication within this system is a point-to-point method, which is different from all control and communication between components by a central controller system.
Distribution line switch
The power distribution line switch is a device that provides overload and short-circuit protection for the load connected to the main power distribution equipment.
Speed reduction load distribution
Speed reduction load sharing is a method of load sharing between two or more units. This has the same speed drop for each parallel unit governor. The speed drop from no load to full load is generally two hertz.
On the overloaded system bus, the process of reducing the total load of the parallel system is called unloading to ensure that the most critical loads have a reliable power supply.
local area network
A local area network (LAN) refers to a computer network covering a relatively small area. Most local area networks are confined to a single building or group of buildings.
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The main switch is a circuit breaker at the input or output of the busbar, and all current must pass through it. The main switch is usually installed on the generator set to cut off the output current. The main switch provides overcurrent protection and is the point of power disconnection for the switchboard or equipment.
Utility power is a broad term for conventional power services outside the United States.
The main control is a typical parallel system metering control device, and it is also the interface between the parallel system and the power facilities.
Voltages from 601 to 15000 VAC in AC systems are called medium voltages.
Modbus "proprietary noun"
An industrial network, which uses RS232 master-slave communication mode to transmit data, the fastest can reach 19.2kBPS.
An industrial network that uses a Token Ring peer-to-peer communication mode to transfer data up to one million bits per second. The network medium uses a shielded twisted pair.
Modules can also be called contacts or components, such as group communication modules (GCMs), control communication modules (CCMs), and digital input / output modules (DIMs).
Molded Case Circuit Breaker
Molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Moulded case refers to the use of plastic insulators as the outer shell of the device, used to isolate between conductors and ground metal parts. Molded case circuit breakers usually contain a thermal magnetic trip unit, while large models of molded case circuit breakers are equipped with solid state trip sensors.
National Electricity Manufacturing Association
National Fire Protection Association
The set of contacts that communicate with each other on a common medium is the network.
The signal that transmits information between contacts is called network data. The PowerCommand network uses Manchester encoding to make the signal unaffected by polarity. The speed of the signal transmitted to the network data line through the transformer is 78 KBPS.
The network module is the interface between the modem or PC and the network cable. The gateway is connected to the UTP line and provides an RS-232 connection port for the modem or PC.
Neutral current refers to the current through the neutral of a parallel system. This term is often mentioned when talking about circulating currents or cross currents.
The contact is a module containing a neuron chip, which can communicate with other modules through network data. Some modules are contacts, such as unit communication modules (GCMs) and controller communication modules (CCMs), while those that can only receive information and cannot communicate with other facilities are not contacts, such as the network alarm module (NAM).
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Efficiency is the ratio of output energy to input energy, such as the ratio between the electrical energy input to the motor and the mechanical energy output from the motor bearings.
Emergency system refers to independent power generation equipment that provides power to equipment or systems that may endanger life or cause significant property damage in accordance with relevant regulations.
Energy exists in the form of electrical energy, thermal energy, light energy, and so on. It can do work, and can also transform from one form to another. For example, a generator set can convert mechanical energy into electrical energy. Frequently used energy units are: kilowatts / hour, British thermal units, horsepower / hour, joules, calories, etc.
A fault is a condition in which any current in a power system runs outside the normal circuit.
Feeder line switch
See "Distribution Line Switch".
Fiber optic cable refers to the use of glass or plastic bundles (optical fibers) to transmit data. An optical fiber is a bundle of glass or plastic tubes that can be used to transmit information modulated into light waves. Compared with metal wires, optical cables are characterized by greater bandwidth, lighter weight, more data transmission, better anti-interference performance, and data transmission in digital rather than analog form. The use of optical cables in the area of local area networks is becoming more and more common.
First start sensor
The first start sensor is an electronic device used in some parallel equipment. Its function is to sense the voltage and frequency of the generator set and the busbar, and determine which unit can be connected to the busbar first after receiving the "black start" signal.
Frequency refers to the number of cycles completed by a periodically changing thing (such as AC voltage and current) in a unit of time. Commonly used units are Hertz (Hz) or Cycles per Second (CPS).
Frequency adjustment potentiometer
The frequency adjustment potentiometer is used to manually adjust the frequency of the input unit to synchronize it with the busbar. When the units are connected in parallel, the potentiometer can be adjusted to the unit output power value.
The frequency adjustment rate is the percentage of the frequency difference between the full load and the no load.
The gateway is an interface between two different communication protocols. The gateway module (NGM) provides a communication protocol that a personal computer can understand. Other gateway facilities may be used as an interface between our Lontalk protocol and other systems such as SCADA or building automation systems. Gateways are essential when SCADA or building automation systems are not driven by Lontalk.
A generator is a device that converts (rotating) mechanical energy into electrical energy.
Unit communication board
The unit communication board (GCM) is the communication interface between the PCC3100 controller and the network. GCM and PCC are connected through serial data. GCM obtains voltage, current, engine speed, oil temperature, etc. from PCC, and then sends them to network nodes that need this information.
The governor is a device installed on the engine that maintains the constant speed of the engine by controlling the amount of fuel under different load conditions. The governor must have speed adjustment (generator frequency) and speed reduction (zero load to full load) functions.
Grid refers to the power transmission system of a power plant.
Ground is the connection of a circuit to the ground or a conductor on the ground, either intentionally or accidentally.
Earth fault protection
When an electrical fault occurs between one or more of the phase conductors and ground, the ground fault protection warns by tripping a circuit breaker or alarm. This function can be integrated in the circuit breaker.
Hertz is a unit of frequency and is also equal to period / second (CPS).
A brancher is a hub for devices and contacts in a network or subnet. It contains many ports and is generally used in branches that connect to a local area network.
Touring car is a phenomenon in which the frequency and voltage caused by load changes are higher or lower than the expected value and cannot reach stability. It is caused by insufficient damping.
Insulators are non-conductive materials used to prevent leakage of current in the conductor. Divided by the highest continuous heat resistance, there are various grades of insulators used in power generation equipment.
Lag Power Factor
The lagging power factor (less than 1.0) in AC circuits is caused by inductive loads, such as engines and transformers, which cause current to lag behind voltage. (Reference power factor)
Leading power factor
The leading power factor (0.0 to -1.0) in an AC circuit is caused by a capacitive load or an over-excited synchronous motor, leading the current to the voltage. (Reference power factor)
Line voltage is the voltage between any two phases of the alternator.
In a three-phase four-wire star-connected generator, the phase voltage is the voltage between the three-phase connection point and each phase.
Load demand is an operating mode of a parallel system. The system monitors the total output power of the generator set and determines the number of operating units based on the total system load. The purpose of load demand control is to reduce fuel consumption and reduce failures of reciprocating diesel generators caused by low loads.
Load factor refers to the ratio between the average load of the unit and the rated power. Non-linear load
Loads with a non-linear relationship between voltage and current are called non-linear loads. Some common non-linear loads are fluorescent lamps, thyristor motor starters, and UPS systems. Non-linear loads can cause abnormal conductor heating and voltage distortion.
Ohm is a unit of resistance. A voltage of 1 volt can produce 1 amp through a 1 ohm resistor.
The one-line diagram is a schematic representation of a three-phase power distribution system with one line. ,
Cranking failure is an early warning function of the unit, which means that the generator unit fails to start. Most units have this function.
Overshoot refers to the part of the voltage regulator or controller that causes the voltage or frequency to exceed the normal value when responding to changes in load.
A parallel switch is a line circuit breaker that connects a generator set and an emergency busbar. All individual generators run synchronously through it.
Parallel control is the electrical equipment used to control a single generator set in a parallel system.
Peak power is the maximum value in the power demand curve of the electrical equipment.
peer to peer
Point-to-point is a network operation system, and any facility can initiate information exchange.
Phase angle refers to the relationship between two sine waves that do not pass through the zero point at the same time. A complete period is 360 degrees, and the phase angle is the distance between two waves in degrees.
The phase sequence indicates the sequence of the output terminal phase voltages of the three-phase generator. Before running the electrical load, it must be checked to ensure that the phase sequence of the generator is consistent with the phase sequence of the electrical installation.
The external interface of the device is used to connect network cables or other media.
The power factor is the cosine of the angle between the active power (kW) and the apparent power (kVA) in the circuit.
Normal load refers to the long and continuous operation of the generator set. It is usually used where there is no mains supply and the generator set is the primary power source.
Priority control means that when the total load power demand is greater than the output of the generator set, the power demand of the most critical load must be met first.
Some communication rules followed by two or more facilities are often called "languages" in the network.
Radio interference refers to the interference caused by the generator to the reception of radio signals.
Reactive power refers to the current flowing back and forth between induction coils of generators, motors, transformers, etc., which also forms part of the electrical load. It does not do useful work, and it is not the load of the engine, but as a generator load, it limits the capacity of the generator.
Reverse power relay
A reverse power relay is a relay with a wattmeter that senses the direction of the current. In a parallel unit, the reverse current (such as the current flowing back to the generator set) will activate the reverse power relay, disconnecting the unit from the system. If a generator set is not running and there is no reverse power relay protection, the running set will drive the set, and the generator on this set will become a motor.
A router is a device that transmits network information through another medium (sometimes a protocol). Our network router is set up as a "repeater" to create another channel on the main network. Each channel has a 4,600 ft network bus and can accommodate 44 contacts. PowerCommand networks can have up to 20 channels.
Thyristor rectifier—a three-electrode solid-state element. Only when a matching voltage is applied to the third electrode (gating electrode) can it ensure that current flows in one direction.
A short circuit usually refers to an unexpected electrical connection between components that carry current.
Shunt tripping is a feature of line circuit breakers or fusible links that can be opened or switched by remote signals.
Soft loading refers to the gradual increase when increasing or decreasing the load on the generator set to reduce the transient effects of voltage and frequency on the system.
Sound level meter
The sound level meter is used to measure the sound pressure level. It is divided into several decibel levels (A, B, C) according to the frequency of the sound. A sound level meter is a root mean square sound, unless it is a measure suitable for instants or peaks.
Sound pressure level
The sound pressure level is the undulating pressure of a sound wave traveling through the air. Because the ear can perceive a wide range of sound pressure, its logarithmic value is adopted and expressed as a ratio of 2x10-5 N / m2 (20 m Pa). This is the limit that humans can hear at 1000 Hz. The unit is decibel. (dB). Bell (10 fen) is named after Alexander Graham Bell.
The backup system is an independent power supply system. When the conventional power supply fails, the backup system will run.
When the engine starts from a stopped state, the initial current value is the starting current.
A sudden change is a sudden rise in voltage in a system, usually caused by a load disconnect.
Sudden suppressor is a device capable of suppressing transient high voltage, which is used to protect other equipment from transient voltage.
Synchronous check relay
The synchronous check relay is an electrical device that monitors the phase relationship between two voltage sources. If the relationship between the voltage sources is within a predetermined parameter range, it will send a corresponding signal.
Synchronizer is an electronic device used to monitor the phase relationship between two voltage sources. It sends a signal to the engine governor to enable the generator set and the system bus to be synchronized.
Synchronous engines are synchronous alternators equipped with a DC exciter. The synchronous engine can be used as an independent emergency power source, and it can also be connected in parallel with other synchronous generators or utility power.
A terminator is a resistive load placed at the end of a cable to prevent data signals from reflecting back into the line.
A transfer switch is an electrical facility capable of switching a load between a backup power source and a conventional power source. The automatic transfer switch can monitor and automatically connect the load to a backup power source if the preferred power supply fails.
Lower overshoot refers to the voltage or frequency below the rated amount when the voltage regulator or controller responds to load changes.
City power is a commercial power source that supplies power to facilities from large central power stations.
Voltage control is a rheostat that sets the operating point of the voltage regulator to control the output voltage of the generator set within the design range.
A voltage sag is a voltage drop that occurs when the load is increased and the regulator has not yet corrected, or when the voltage regulator is unloading an overloaded engine.
Voltage regulation describes the percentage between the maximum and minimum steady-state voltage difference and the rated voltage.
The watt-hour meter records the total power output at a point in the system, usually in kilowatt-hours.
The Y connection is a star connection, that is, the phases in the three-phase system are connected according to the shape of the letter Y, and a fourth (neutral) line can be connected at the center point.
Zero sequence is a ground fault detection method. It uses a sensor (CT) to connect all phase conductors and neutral conductors together. The sensor will produce an output in proportion to the degree of imbalance of the ground fault current in the line. A relay measures this output and opens the circuit breaker or releases a ground fault alarm.